SUPER MICRO Computer X8DTU-LN4F+ User Manual

X8DTU-LN4F+

USER’S MANUAL

Revision 1.0

The information in this User’s Manual has been carefully reviewed and is believed to be accurate.
The vendor assumes no responsibility for any inaccuracies that may be contained in this document,
makes no commitment to update or to keep current the information in this manual, or to notify any
person or organization of the updates. Please Note: For the most up-to-date version of this

manual, please see our website at www.supermicro.com.

Super Micro Computer, Inc. ("Supermicro") reserves the right to make changes to the product
described in this manual at any time and without notice. This product, including software and docu­mentation, is the property of Supermicro and/or its licensors, and is supplied only under a license.
Any use or reproduction of this product is not allowed, except as expressly permitted by the terms
of said license.

IN NO EVENT WILL SUPER MICRO COMPUTER, INC. BE LIABLE FOR DIRECT, INDIRECT,
SPECIAL, INCIDENTAL, SPECULATIVE OR CONSEQUENTIAL DAMAGES ARISING FROM THE
USE OR INABILITY TO USE THIS PRODUCT OR DOCUMENTATION, EVEN IF ADVISED OF
THE POSSIBILITY OF SUCH DAMAGES. IN PARTICULAR, SUPER MICRO COMPUTER, INC.
SHALL NOT HAVE LIABILITY FOR ANY HARDWARE, SOFTWARE, OR DATA STORED OR USED
WITH THE PRODUCT, INCLUDING THE COSTS OF REPAIRING, REPLACING, INTEGRATING,
INSTALLING OR RECOVERING SUCH HARDWARE, SOFTWARE, OR DATA.

Any disputes arising between manufacturer and customer shall be governed by the laws of Santa
Clara County in the State of California, USA. The State of California, County of Santa Clara shall be
the exclusive venue for the resolution of any such disputes. Supermicro's total liability for all claims
will not exceed the price paid for the hardware product.

FCC Statement: This equipment has been tested and found to comply with the limits for a Class
A digital device pursuant to Part 15 of the FCC Rules. These limits are designed to provide
reasonable protection against harmful interference when the equipment is operated in a commercial
environment. This equipment generates, uses, and can radiate radio frequency energy and, if not
installed and used in accordance with the manufacturer’s instruction manual, may cause harmful
interference with radio communications. Operation of this equipment in a residential area is likely
to cause harmful interference, in which case you will be required to correct the interference at your
own expense.

California Best Management Practices Regulations for Perchlorate Materials: This Perchlorate
warning applies only to products containing CR (Manganese Dioxide) Lithium coin cells. “Perchlorate
Material-special handling may apply. See www.dtsc.ca.gov/hazardouswaste/perchlorate”.

WARNING: Handling of lead solder materials used in this
product may expose you to lead, a chemical known to
the State of California to cause birth defects and other
reproductive harm.

Manual Revision 1.0
Release Date: March 24, 2010
Unless you request and receive written permission from Super Micro Computer, Inc., you may not

copy any part of this document.
Information in this document is subject to change without notice. Other products and companies

referred to herein are trademarks or registered trademarks of their respective companies or mark
holders.

Copyright © 2010 by Super Micro Computer, Inc.
All rights reserved.

Printed in the United States of America

Preface

This manual is written for system integrators, PC technicians and
knowledgeable PC users. It provides information for the installation and use of the

X8DTU-LN4F+ motherboard.

About This Motherboard

The X8DTU-LN4F+ motherboard supports the Intel 5500/5600 Series
processors, the fi rst dual-processing platform that supports the Intel QuickPath
Interconnect (QPI) Technology, providing the next generation point-to-point system
interface to replace the current Front Side Bus. With the 5500/5600 Series Pro­cessor built in, the X8DTU-LN4F+ motherboard substantially enhances the price/
system performance ratio in application-extensive high-end 1U or 2U HPC (High­Performance Cluster) servers. Please refer to our website (http://www.supermicro.
com/products/) for updates on supported processors. This product is intended to
be installed and serviced by professional technicians.

Preface

Manual Organization

Chapter 1 provides quick installation instructions.
Chapter 2 describes the features, specifi cations and performance of the mother-

board and provides detailed information about the chipset.
Chapter 3 provides hardware installation instructions. Read this chapter when in-

stalling the processor, memory modules and other hardware components into the
system. If you encounter any problems, see Chapter 4, which describes trouble­shooting procedures for video, memory and system setup stored in the CMOS.

Chapter 5 includes an introduction to the BIOS and provides detailed information
on running the CMOS Setup utility.

Appendix A provides BIOS Error Beep Codes.
Appendix B lists Other Software Program Installation Instructions.

iii

X8DTU-LN4F+ Motherboard User’s Manual

Conventions Used in the Manual

Special attention should be given to the following symbols for proper installation and
to prevent damage done to the components or injury to yourself:

Danger/Caution: Instructions to be strictly followed to prevent catastrophic
system failure or to avoid bodily injury

Warning: Important information given to ensure proper system installation
or to prevent damage to the components

Note: Additional Information given to differentiate various models or pro­vides information for correct system setup.

Iv

Contacting Supermicro

Contacting Supermicro

Headquarters

Address: Super Micro Computer, Inc.

980 Rock Ave.
San Jose, CA 95131 U.S.A.

Tel: [phone]
Fax: [phone]
Email: [e-mail] (General Information)

[e-mail] (Technical Support)

Website: www.supermicro.com

Europe

Address: Super Micro Computer B.V.

Het Sterrenbeeld 28, 5215 ML
's-Hertogenbosch, The Netherlands

Tel: [phone]
Fax: [phone]
Email: [e-mail] (General Information)

[e-mail] (Technical Support)
[e-mail] (Customer Support)

Asia-Pacifi c

Address: Super Micro Computer, Inc.

4F, No. 232-1, Liancheng Rd.
Chung-Ho 235, Taipei County
Taiwan, R.O.C.

Tel: [phone]
Fax: [phone]
Website: www.supermicro.com.tw
Technical Support:
Email: [e-mail]
Tel: [phone], ext.132 or 139

v

X8DTU-LN4F+ Motherboard User’s Manual

Table of Contents

Preface
Chapter 1 Quick Installation Guide

1-1 Installing the CPU ...........................................................................................1-1

1-2 Installing the CPU Heatsink ............................................................................ 1-1

1-3 Installing the Memory Modules ....................................................................... 1-2

1-4 Installing the I/O Shield (if needed) ................................................................ 1-2

1-5 Installing the Motherboard ..............................................................................1-3

1-6 Connecting the Power Supply.........................................................................1-3

1-7 Installing Internal Peripherals ..........................................................................1-4

1-8 Installing External Peripherals ........................................................................1-4

Chapter 2 Overview

2-1 Overview ......................................................................................................... 2-1

2-2 Chipset Overview ...........................................................................................2-11

2-3 Special Features ...........................................................................................2-12

2-4 PC Health Monitoring .................................................................................... 2-12

2-5 ACPI Features ...............................................................................................2-13

2-6 Power Supply ................................................................................................ 2-13

2-7 Super I/O ....................................................................................................... 2-14

2-8 Overview of the Nuvoton WPCM450 Controller ........................................... 2-14

Chapter 3 Installation

3-1 Static-Sensitive Devices ..................................................................................3-1

3-2 Processor and Heatsink Installation................................................................3-2

Installing an LGA 1366 Processor .................................................................. 3-2

Installing a Passive CPU Heatsink ................................................................. 3-4

Removing the Passive Heatsink ..................................................................... 3-5

Installing an Active Heatsink ........................................................................... 3-6

Removing the Active Heatsink ........................................................................ 3-7

3-3 Installing and Removing the Memory Modules ...............................................3-8

Installing & Removing DIMMs .........................................................................3-8

Removing Memory Modules ........................................................................... 3-8

3-4 Motherboard Installation ................................................................................3-13

Tools Needed ................................................................................................ 3-13

Location of Mounting Holes .......................................................................... 3-13

Installing the Motherboard ............................................................................3-14

3-5 Control Panel Connectors/I/O Ports..............................................................3-15

Back Panel Connectors/I/O Ports ................................................................. 3-15

vi

Table of Contents

Back Panel I/O Port Locations and Defi nitions ........................................... 3-15

ATX PS/2 Keyboard and PS/2 Mouse Ports ............................................3-16

Universal Serial Bus (USB) ...................................................................... 3-17

Serial Ports ............................................................................................... 3-18

Video Connectors ..................................................................................... 3-18

Ethernet Ports .......................................................................................... 3-19

Front Control Panel ....................................................................................... 3-20

Front Control Panel Pin Defi nitions............................................................... 3-21

NMI Button ............................................................................................... 3-21

Power LED .............................................................................................. 3-21

HDD LED .................................................................................................. 3-22

NIC1/NIC2 LED Indicators ....................................................................... 3-22

Overheat (OH)/Fan Fail/PWR Fail/UID LED ............................................ 3-23

Power Fail LED ........................................................................................3-23

Reset Button ........................................................................................... 3-24

Power Button ........................................................................................... 3-24

3-6 Connecting Cables ........................................................................................ 3-25

Power Connectors ...................................................................................3-25

Fan Headers ............................................................................................. 3-26

Chassis Intrusion .....................................................................................3-26

Internal Speaker ....................................................................................... 3-27

Power LED/Speaker ................................................................................. 3-27

DOM Power Connector ............................................................................ 3-28

Overheat LED/Fan Fail ............................................................................3-28

T-SGPIO 1/2 Headers .............................................................................. 3-29

External BMC I

2

C Connectors .................................................................. 3-29

UIO Power Connector .............................................................................. 3-30

NIC3/NIC4 LED Headers ......................................................................... 3-30

Unit Identifi cation Switch/LED ..................................................................3-31

Power SMB (I

2

C) Connector .................................................................... 3-31

Wake-On-Ring ..........................................................................................3-32

3-7 Jumper Settings ............................................................................................3-33

Explanation of Jumpers ................................................................................3-33

GLAN Enable/Disable ..............................................................................3-33

CMOS Clear ............................................................................................. 3-34

Watch Dog Enable/Disable ...................................................................... 3-34

2

I

C Bus to PCI-Exp. Slots ........................................................................3-35

VGA Enable .............................................................................................. 3-35

3-8 Onboard LED Indicators ...............................................................................3-36

vii

X8DTU-LN4F+ Motherboard User ’s Manual

GLAN LEDs .............................................................................................. 3-36

IPMI Dedicated LAN LEDs .....................................................................3-36

Onboard Power LED ............................................................................... 3-37

BMC Heartbeat LED ............................................................................... 3-37

Rear UID LED ......................................................................................... 3-38

3-9 Serial ATA Connections ................................................................................. 3-39

Serial ATA Ports........................................................................................ 3-39

Chapter 4 Troubleshooting

4-1 Troubleshooting Procedures ...........................................................................4-1

Before Power On ............................................................................................ 4-1

No Power ........................................................................................................ 4-1

No Video ......................................................................................................... 4-2

System Boot Failure ..................................................................................... 4-2

Losing the System’s Setup Confi guration ....................................................... 4-2

Memory Errors ...............................................................................................4-3

When the System Becomes Unstable ............................................................ 4-3

4-2 Technical Support Procedures ........................................................................4-4

4-3 Frequently Asked Questions ...........................................................................4-5

4-4 Returning Merchandise for Service.................................................................4-6

Chapter 5 BIOS

5-1 Introduction ...................................................................................................... 5-1

Starting BIOS Setup Utility ..............................................................................5-1

How To Change the Confi guration Data ......................................................... 5-1

Starting the Setup Utility ................................................................................. 5-2

5-2 Main Setup ......................................................................................................5-2

5-3 Advanced Setup Confi gurations...................................................................... 5-4

5-4 Security Settings ...........................................................................................5-24

5-5 Boot Confi guration ........................................................................................5-25

5-6 Exit Options ................................................................................................... 5-26

Appendix A BIOS Error Beep Codes

A-1 BIOS Error Beep Codes ................................................................................. A-1

Appendix B Software Installation Instructions

B-1 Installing Software Programs ..........................................................................B-1

B-2 Confi guring Supero Doctor III .........................................................................B-2

viii

Quick Installation Guide

1-1 Installing the CPU

A B

Chapter 1: Quick Installation Guide

Chapter 1

A. Press the socket clip down to unlock

it. Gently lift the socket clip to open the
load plate.

C

C. Align CPU Pin 1 against Socket Pin

1. Once they are aligned, lower the CPU
down to the socket.

To avoid damage, do not rub the CPU pins against the socket.

1-2 Installing the CPU Heatsink

A. Do not apply thermal grease on

the CPU or the heatsink; the required
amount has been applied.

B. Align the CPU key with the socket
key.

D

D. Once the CPU is fully seated on

the socket, press the socket clip down
to lock it.

Screw#4

Screw#1

Screw#2

B. Place the heatsink on top of the CPU,
making sure that the mounting holes are
aligned with those on the retention mech­anism on the back side of the CPU.

C. Install two diagonal screws and
tighten them until just snug. (Do not fully
tighten the screws to avoid damaging
the CPU.)

D. Finish the installation by fully install­ing all sc rews.

1-1

Screw#3

X8DTU-LN4F+ Motherboard User ’s Manual

1-3 Installing the Memory Modules

A B C

A. Align the key on the DIMM module

against that of the DIMM socket.
B. Insert the DIMM module straight down

to the DIMM socket.

C. Press the notches on the ends of
the DIMM module inwards to lock it.

1-4 Installing the I/O Shield (if needed)

A

B

Note: Chassis and I/O plate images are for illustration only. They may be

different from what you have.

1-2

1-5 Installing the Motherboard

A B

X8DTU-LN4F+

Rev. 2.0

Chapter 1: Quick Installation Guide

C

1-6 Connecting the Power Supply

X8DTU-LN4F+

Rev. 2.0

D

X8DTU-LN4F+

Rev. 2.0

A

B

1-3

X8DTU-LN4F+ Motherboard User ’s Manual

1-7 Installing Internal Peripherals

Add-on Cards

1-8 Installing External Peripherals

Mouse

Keyboard

IPMI LAN

USB 0/1

Serial Port
(COM1)

VGA Port

LAN 1/2 Ports

LAN 3/4 Ports

UID
Switch

1-4

Chapter 2: Overview

Chapter 2

Overview

2-1 Overview

Checklist

Congratulations on purchasing your computer motherboard from an acknowledged
leader in the industry. Supermicro boards are designed with the utmost attention to
detail to provide you with the highest standards in quality and performance.

Please check that the following items have all been included with your motherboard.
If anything listed here is damaged or missing, contact your retailer.

The following items are included in the retail box.

One (1) Supermicro Mainboard

•

Six (6) Serial ATA cables (CBL-0044Lx6) •

One (1) I/O backpanel shield (MCP-260-00027-0N) •

One (1) Supermicro CD containing drivers and utilities•

One (1) User's/BIOS Manual (MNL#1188)•

2-1

X8DTU-LN4F+ Motherboard User ’s Manual

Motherboard Image

Note: All graphics shown in this manual were based upon the latest PCB

Revision available at the time of publishing of the manual. The motherboard
you've received may or may not look exactly the same as the graphics
shown in this manual.

2-2

Motherboard Layout

Chapter 2: Overview

LE11

LAN4

UID

UIOP

J1

JPL2

SXB2: PCI-E 2.0 x8+x4

J2

SXB1: PCI-E 2.0 x16

J3

SXB3: PCI-E 2.0 x8

LAN2

LAN3

JPL1

CPU1

LAN2

LAN1

LAN1

VGA1

FAN8/CPU1

P1-DIMM1C

P1-DIMM1A

P1-DIMM1B

COM1

PHY

SP1

P1-DIMM2B

P1-DIMM2C

USB0/1

IPMI_LAN

JD1

P1-DIMM3C

P1-DIMM2A

KB/MS

USB2/3

VGA2

JBT1

P1-DIMM3B

P1-DIMM3A

JPG1

COM2

JTPM

JL1

USB4/5

X8DTU-LN4F+

P2-DIMM3C

P2-DIMM3B

P2-DIMM2A

FAN3

Rev. 2.0

P2-DIMM2B

P2-DIMM2C

P2-DIMM1A

P2-DIMM1B

P2-DIMM1C

CPU2

FAN7/CPU2

FAN2

JPK1

JPI2C

FAN1

JI2C2

JI2C1

D20

JP8

USB6

SATA0~5

Winbond

Intel

ICH10R

BMC

JWF1

WOR1

JWD

COMS
Clear

T-SGPIO1

T-SGPIO2

JBT1

BIOS

USB7

FAN6

IOH-36D

JTAG of CPLD

LE1

FPCTRL

Intel

JOH1

JF1

P2-DIMM3A

IPMB1

FAN4

FAN5

JIPMB2

Note

IPMI 2.0 support is available on the X8DTU-LN4F+. For more information,
refer to the user guide posted on our website @ http://www.supermicro.com/
support/manuals/

JPW1

JPW3

JPW2

2-3

X8DTU-LN4F+ Motherboard User ’s Manual

X8DTU-LN4F+ Quick Reference

LE11

LAN4

UID

UIOP

J1

JPL2

SXB2: PCI-E 2.0 x8+x4

LAN2

LAN3

LAN2

JPL1

LAN1

LAN1

VGA1

COM1

PHY

USB0/1

IPMI_LAN

JD1

SP1

KB/MS

USB2/3

VGA2

JBT1

JPG1

COM2

JTPM

JI2C2

JP8

JI2C1

D20

Winbond

Intel

ICH10R

BMC

JWD

COMS

Clear

BIOS

JBT1

Intel

IOH-36D

J2

SXB1: PCI-E 2.0 x16

J3

SXB3: PCI-E 2.0 x8

P2-DIMM3A

P2-DIMM3B

CPU1

X8DTU-LN4F+

Rev. 2.0

P2-DIMM3C

P2-DIMM2B

P2-DIMM2C

P2-DIMM2A

P2-DIMM1A

P2-DIMM1B

P2-DIMM1C

FAN8/CPU1

P1-DIMM1C

P1-DIMM1A

P1-DIMM1B

CPU2

P1-DIMM2B

P1-DIMM2A

P1-DIMM2C

P1-DIMM3C

P1-DIMM3B

P1-DIMM3A

USB6

JL1

USB4/5

SATA0~5

JWF1

WOR1

T-SGPIO1

USB7

FAN6

T-SGPIO2

JTAG of CPLD

LE1

FPCTRL

JOH1

JF1

FAN7/CPU2

IPMB1

FAN4

FAN5

JIPMB2

FAN3

JPI2C

FAN2

JPK1

FAN1

Notes:

See Chapter 3 for detailed information on jumpers, I/O ports and JF1 front

•

panel connections.

" " indicates the location of "Pin 1".

•

Jumpers not indicated are for testing only. •

When LE1 (Onboard Power LED Indicator) is on, system power is on. Unplug •
the power cable before installing or removing any components.

2-4

JPW1

JPW3

JPW2

Chapter 2: Overview

X8DTU-LN4F+ Jumpers

Jumper

JBT1

2

JI

C1/JI2C2

JPG1

Description Default Setting

Clear CMOS See Chapter 3
SMB to PCI-E Slots Off (Disabled)

VGA Enable Pins 1~2 (Enabled)
JPL1/JPL2 GLAN1/GLAN2 Enable Pins 1-2 (Enabled)
JWD Watch Dog Pins 1~2 (Reset)

X8DTU-LN4F+ Connectors

Connectors Description

JBT1 Onboard Battery
COM1/COM2 COM1/COM2 Serial Connections
FAN 1~8 CPU//System Fan Headers (Fans 7, 8: CPU Fans)
IPMB1/JIPMB2 4-pin/3-pin External BMC I

2

C Header (for an IPMI Card)
I-SATA 0~5 Intel SB SATA Connectors 0~5
JD1 Speaker/Power LED Indicator
JF1 Front Panel Control Header
JL1 Chassis Intrusion
JOH1 Overheat/Fan Fail LED

2

JPI

C Power Supply SMBbus I2C Header
JPK1 NIC3/NIC4 LED Headers
JPW1 ATX 24-Pin Power Connector (See Warning on Pg. 2-6.)
JPW2/JPW3 12V 8-Pin Power Connectors (See Warning on Pg. 2-6.)
JPTM Trusted Platform Support Header (JP8)
JTAG of CPLD JTAG of CPLD (Complex Programmable Logic Devices)
JWF1 SATA DOM (Disk_On_Module) PWR
JWOR1 Wake-On-Ring
KB/MS PS2 Keyboard/Mouse
LAN1/LAN2 G-bit Ethernet Ports 1/2
LAN3/LAN4 G-bit Ethernet Ports 3/4
(IPMI) LAN IPMI_Dedicated LAN
SP1 Onboard Buzzer (Internal Speaker)
SXB1 PCI-Express 2.0 x16 Slot (J2)
SXB2 PCI-Express 2.0 x8 + x4 Slot (J1)
SXB 3 PCI-Express 2.0 x8 Slot (J3)
T-SGPIO 1/2 Serial_Link General Purpose I/O Headers

2-5

X8DTU-LN4F+ Motherboard User ’s Manual

USB 0/1 Back Panel USB 0/1
USB2/3, 4/5, 6 Front Panel Accessible USB Connections
USB 7 Internal USB Connection
UID UID (Universal Identifi er) Switch
UIOP Universal I/O Add-on Card Power (J10) (See the Warning

below.)

VGA 1/2 Backpanel/Front VGA Ports (See Note)

X8DTU-LN4F+ LED Indicators

LED Description State Status

D20 BMC Heartbeat LED Green: Blinking Normal
LE1 Sta ndby PWR L ED Green: On PWR On

LE11 UID LED

Warnings!

To prevent damage to the power supply or motherboard, please use a power

•

supply that contains a 24-pin and two 8-pin power connectors. Be sure to con­nect these connectors to the 24-pin (JPW1) and the two 8-pin (JPW2,JPW3)
power connectors on the motherboard. Failure in doing so will void the manu­facturer warranty on your power supply and motherboard.

Blue: On (Windows OS),
Blinking (Linux)

Unit Identifi ed

To provide adequate power to the add-on cards installed on the motherboard,

•

please connect the UIOP PWR connector to the power supply for these cards
to work properly.

Note: The Front Accessible VGA port (VGA2) is available on a 2U sys­tem. However, when this VGA port (VGA2) is connected to a monitor, the
Backpanel VGA port (VGA1) will be disabled.

2-6

Motherboard Features

Chapter 2: Overview

CPU

Memory

Chipset
Expansion
Slots

Two Intel•
each processor supports two full-width Intel Quick­Path Interconnect (QPI) links with a total of up to 51.2
GT/s Data Transfer Rate (6.4 GT/s per direction)

18 240-pin, DDR3 1333/1066/800 MHz SDRAM •
DIMM sockets in three-channel memory bus.

Support for up to 192 GB* of Registered ECC or 48

•

GB of Unbuffered ECC/Non-ECC DDR3 memory
(*Refer to Supermicro's Memory Recommendation
List posted at www.supermicro.com.)

DIMM sizes

UDIMM

• 1 GB, 2 GB, and 4GB

RDIMM

• 1 GB, 2GB, 4GB, 8GB, and 16 GB

Intel® 5520 Chipset (5520 IOH & ICH10R)•
One (1) PCI Express 2.0 x16 slot (J2)•
One (1) PCI Express2.0 x8 + x4 slot (J1)•
One (1) PCI Express 2.0 x8 slot (J3)•

®

5500/5600 Series (LGA 1366) processors;

Graphics
Network

I/O Devices

Winbond BMC Video Controller (Matrox G200eW)•
Two Intel 82576EB Gigabit (10/100/1000 Mb/s) Eth-•

ernet Dual-Port Controller for LAN 1 - LAN 4 ports.
Single Realtek RTL8201N PHY to support IPMI_LAN

•

2.0 )

SATA Connections

SATA Ports

• Six (6)

RAID (Win-

•

dows)
RAID (Linux)

• RAID 0, 1, 10

Integrated IPMI 2.0

IPMI 2.0 supported by the WPCM450 BMC

•

Keyboard/Mouse

PS/2 Keyboard/Mouse ports on the I/O backplane

•

Serial (COM) Ports

Two (2) Fast UART 16550 Connections: one 9-pin

•

RS-232 port and one header

RAID 0, 1, 5, 10

Super I/O

Winbond Super I/O 83627DH

•

2-7

X8DTU-LN4F+ Motherboard User ’s Manual

Peripheral
Devices

BIOS

Power
Confi g.

PC Health
Monitoring

USB Devices

Two (2) USB ports on the rear I/O panel (USB 0/1)

•

One (1) USB connection for front access (USB 6) •
One (1) Internal USB connection (USB 7)•
Two (2) Type A internal connector (USB 2/3, 4/5)•
32 Mb SPI AMI BIOS•
APM 1.2, PCI 2.3, ACPI 1.0/2.0/3.0, USB Keyboard,

•

Plug & Play (PnP) and SMBIOS 2.5
ACPI Power Management•
Main switch override mechanism•
Keyboard Wake-up from Soft-Off•
Internal/External modem ring-on•
Power-on mode for AC power recovery•

CPU Monitoring

CPU1 Vcore, CPU2 Vcore, CPU1 DIMM, CPU2 •
DIMM, 1.1V, 3.3V, 1.5V, +5V, +12V, 3.3V Standby,
5V Standby, and Vbat.

®

SM Flash BIOS

CPU 6-Phase switching voltage regulator per CPU

•

CPU/System overheat LED and control•
CPU Thermal Trip support•
Thermal Monitor 2 (TM2) support•

Fan Control

Fan status monitoring with fi rmware 4-pin (Pulse

•

Width Modulation) fan speed control
Low noise fan speed control

•

System
Management

Dimensions

Note: For IPMI Confi guration Instructions, please refer to the Embedded

IPMI Confi guration User's Guide available @ http://www.supermicro.com/
support/manuals/.

PECI (Platform Environment Confi guration Interface) •

2.0 support
System resource alert via Supero Doctor III

•

SuperoDoctor III, Watch Dog, NMI•
Chassis Intrusion Header and Detection•

14.85" (L) x 12.68" (W) (377.19 mm x 322.07 mm)•

2-8

Notes

Chapter 2: Overview

2-9

X8DTU-LN4F+ Motherboard User ’s Manual

A

B

C

DDR3 DIMM

DDR3 DIMM

PCI-E x16

inx16 Slot

PCI-E x8

inx4 Slot

PCI-Ex8

B

C

DDR3 DIMM

Gen2 x16

Gen2 x4

Gen2 x8

(Lane Reversal)

Gen2 x8

COMA

COMB

VGA SWITCH

Processor#1

PCI

QPI

Processor#0

PORT1 PORT1

ESI

ESI

LPC

CLINK

RJ45

QPI

CLINK

ICH10R

PS2 KB/MS

QPI

PORT PORT0

PORT
7,8,9,10

IOH

PORT

36D

1,2

PORT

3,4

PORT

5,6

PORT

8,10

USB

BMC

SIO

D

E

F

ATME L
AT25DF321

SPI

TPM

DDR3 DIMM

E

PCIE Port 1-4

PCIE Port 5-6

SATA

SATA #0

SATA #1
SATA #2
SATA #3
SATA #4

SATA #5

DDR3 DIMM

USB

USB 0/1
USB 2/3

USB 4/5
USB 6
USB 7

F

DDR3 DIMM

Gen1 x4

Gen1x2

KAWELA

RJ45 RJ45

KAWELA

RJ45 RJ45

VGA

VGA

System Block Diagram

Note: This is a general block diagram and may not exactly represent the

features on your motherboard. See the Motherboard Features pages for
the actual specifi cations of each motherboard.

2-10

Chapter 2: Overview

2-2 Chipset Overview

Built upon the functionality and the capability of the Intel 5520 platform, the X8DTU­LN4F+ motherboard p rovides t h e p e rfo rmanc e and feature sets requir e d f o r d u a l­proc esso r-base d high - end syste ms and H PC/Cl uster se r vers. T he 552 0 plat for m
consi sts of the 5 500/ 560 0 Serie s (LGA 1366) proc essor, the 36 D IOH (IO H ub),
and the IC H10R (South Br id ge). With th e Intel Q uic kPat h inter co nne ct (QPI) c on ­troller built in, the 5500/5600 Series Processor is the fi rst dual-processing platform
that offers the next generation point-to-point system interconnect interface which
will gre atly enha nce syste m per form ance by ut ilizing s erial l ink interc onnec tions ,
allowi ng for inc reas ed band width a nd sca labili ty.

The IOH connects to each processor through an independent QuickPath Intercon­nect (QPI) link. Each link consists of 20 pairs of unidirectional differential lanes
for data t r a ns mi s s i o n in a dd it i o n to a d iffer en ti a l fo rwar de d c l o c k . A f u ll-wi dt h Q PI
link pair provides 84 signals. Each processor supports two QuickPath links, one
going to t he other p roce ssor a nd the oth er to the 3 6D IO H ub.

The 552 0 chipset s uppor ts up t o 36 PCI E xpres s Gen2 la nes, pee r-to- peer r ead
and write transactions. The ICH10R provides up to six PCI-Express ports, six
SATA po rt s and ei ght USB c onne ctio ns.

In addit ion, the 5520 c hipset also of fers a wi de range of R AS (Reliab ility, Avail­ability and Serviceability) features. These features include memory interface ECC,
x4/x8 S ingle Devic e Data C orrec tion (SDD C), Cyclic Redund ancy Chec k (CRC),
parit y pr otect ion, o ut- of- ban d regi ster ac ce ss vi a SM Bus, m emor y m ir ror ing, an d
Hot-p lug supp or t on the P CI- Ex pres s Inter fac e.

Main Features of the 5500/5600 Series Processor and the
5520 Chipset

Four processor cores in each processor with 8MB shared cache among cores•

Two full-width Intel QuickPath interconnect (QPI) links, up to 6.4 GT/s of data •
transfer rate in each direction

Virtualization Technology, Integrated Management Engine supported

•

Point-to-point cache coherent interconnect, fast/narrow unidirectional links, and •
concurrent bi-directional traffi c

Error detection via CRC and error correction via Link-level retry

•

2-11

X8DTU-LN4F+ Motherboard User ’s Manual

2-3 Special Features

Recovery from AC Power Loss

The Basic I/O System (BIOS) provides a setting for you to determine how the
system will respond when AC power is lost and then restored to the system. You
can choose for the system to remain powered off (in which case you must press
the power switch to turn it back on), or for it to automatically return to a power- on
state. See the Advanced BIOS Setup section to change this setting. The default
setting is Last State.

2-4 PC Health Monitoring

This section describes the PC health monitoring features of the motherboard. All
have an onboard System Hardware Monitor chip that supports PC health monitoring.
An onboard voltage monitor will scan these onboard voltages continuously: CPU1
Vcore, CPU2 Vcore, CPU1 DIMM, CPU2 DIMM, 1.1V, 3.3V, 1.5V, +5V, +12V, 3.3V
Standby, 5V Standby, and Vbat. Once a voltage becomes unstable, a warning is
given or an error message is sent to the screen. The user can adjust the voltage
thresholds to defi ne the sensitivity of the voltage monitor.

Fan Status Monitor with Firmware Control

The PC health monitor can check the RPM status of the cooling fans. The onboard
CPU and chassis fans are controlled by Thermal Management via BIOS (under the
Hardware Monitoring section in the Advanced Setting).

Environmental Temperature Control

The thermal control sensor monitors the CPU temperature in real time and will turn
on the thermal control fan whenever the CPU temperature exceeds a user-defi ned
threshold. The overheat circuitry runs independently from the CPU. Once it detects
that the CPU temperature is too high, it will automatically turn on the thermal fan
control to prevent the CPU from overheating. The onboard chassis thermal circuitry
can monitor the overall system temperature and alert The user when the chassis
temperature is too high.

Note: To avoid possible system overheating, please be sure to provide
adequate airfl ow to your system.

System Resource Alert

This feature is available when used with Supero Doctor III in the Windows OS

2-12

Chapter 2: Overview

environment or used with Supero Doctor II in Linux. Supero Doctor is used to
notif y the user of cer tain system events. For example, you can also confi gure
Supero Doctor to provide you with warnings when the system temperature, CPU
temperat ures, volt ages a nd fan spe eds go beyon d a predefi ned range.

2-5 ACPI Features

ACPI stands for Advanced Confi guration and Power Interface. The ACPI specifi ca-
tion defi nes a fl exible and abstract hardware interface that provides a standard
way to integrate power management features throughout a PC system, including
its hardware, operating system and application software. This enables the system
to automatically turn on and off peripherals such as CD-ROMs, network cards, hard
disk drives and printers.

In addition to enabling operating system-directed power management, ACPI also
provides a generic system event mechanism for Plug and Play and an operating
system-independent interface for confi guration control. ACPI leverages the Plug and
Play BIOS data structures, while providing a processor architecture-independent
implementation that is compatible with Windows 2003, Windows XP, Windows Vista
and Windows 2008 Operating Systems.

Slow Blinking LED for Suspend-State Indicator

When the CPU goes into a suspend state, the chassis power LED will start blinking
to indicate that the CPU is in suspend mode. When the user presses any key, the
CPU will "wake up" and the LED will automatically stop blinking and remain on.

2-6 Power Supply

As with all computer products, a stable power source is necessary for proper and
reliable operation. It is even more important for processors that have high CPU
clock rates.

The X8DTU-LN4F+ motherboard accommodates 24-pin ATX power supplies.
Although most power supplies generally meet the specifi cations required by the
CPU, some are inadequate. In addition, two 12V 8-pin power connections are also
required to ensure adequate power supply to the system. Also your power supply
must supply 1.5A for the Ethernet ports.

Warning! 1. To prevent damage to the power supply or motherboard,
please use a power supply that contains a 24-pin and two 8-pin power
connectors. Be sure to connect these connectors to the 24-pin (JPW1)
and the two 8-pin (JPW2, JPW3) power connectors on the motherboard.
Failure in doing so will void the manufacturer warranty on your power
supply and motherboard.

2-13

X8DTU-LN4F+ Motherboard User ’s Manual

2. To provide adequate power to the add-on cards installed on the mother­board, please connect the UIOP PWR connector to the power supply.

It is strongly recommended that you use a high quality power supply that meets ATX
power supply Specifi cation 2.02 or above. It must also be SSI compliant. (For more
information, please refer to the web site at http://www.ssiforum.org/). Additionally, in
areas where noisy power transmission is present, you may choose to install a line
fi lter to shield the computer from noise. It is recommended that you also install a
power surge protector to help avoid problems caused by power surges.

2-7 Super I/O

The Super I/O supports two high-speed, 16550 compatible serial communication
ports (UARTs). Each UART includes a 16-byte send/receive FIFO, a programmable
baud rate generator, complete modem control capability and a processor interrupt
system. Both UARTs provide legacy speed with baud rate of up to 115.2 Kbps
as well as an advanced speed with baud rates of 250 K, 500 K, or 1 Mb/s, which
support higher speed modems.

The Super I/O provides functions that comply with ACPI (Advanced Confi guration
and Power Interface), which includes support of legacy and ACPI power manage­ment through an SMI or SCI function pin. It also features auto power management
to reduce power consumption.

2-8 Overview of the Nuvoton WPCM450 Controller

The Nuvoton WPCM450 Controller is a Baseboard Management Controller (BMC)
that supports the 2D/VGA-compatible Graphics Core with the PCI interface,
Virtual Media, and Keyboard/Video/Mouse Redirection (KVMR) modules. With
blade-oriented Super I/O capability built-in, the WPCM450 Controller is ideal for
legacy-reduced server platforms.

The WPCM450 interfaces with the host system via a PCI interface to communicate
with the Graphics core. It supports USB 2.0 and 1.1 for remote keyboard/mouse/
virtual media emulation. It also provides LPC interface to control Super IO func­tions. The WPCM450 is connected to the network via an external Ethernet PHY
module.

The WPCM450 communicates with onboard components via six SMBus interfaces,
fan control, and Platform Environment Control Interface (PECI) buses.

Note: For more information on IPMI confi guration, please refer to the
Embedded IPMI User's Guide posted on our website @ http://www.super­micro.com/support/manuals/.

2-14

Chapter 3: Installation

Chapter 3

Installation

3-1 Static-Sensitive Devices

Electrostatic Discharge (ESD) can damage electronic com ponents. To avoid dam­aging your system board, it is important to handle it very carefully. The following
measures are generally suffi cient to protect your equipment from ESD.

Precautions

Use a grounded wrist strap designed to prevent static discharge.•

Touch a grounded metal object before removing the board from the antistatic •
bag.

Handle the board by its edges only; do not touch its components, peripheral

•

chips, memory modules or gold contacts.

When handling chips or modules, avoid touching their pins.

•

Put the motherboard and peripherals back into their antistatic bags when not •
in use.

For grounding purposes, make sure that your system chassis provides excellent

•

conductivity between the power supply, the case, the mounting fasteners and
the motherboard.

Use only the correct type of onboard CMOS battery as specifi ed by the

•

manufacturer. Do not install the onboard battery upside down to avoid possible
explosion.

Unpacking

The motherboar d i s s h i p ped in antistatic packa g i ng to avoid stat i c d a m a ge. When
unpacking the board, make sure that the person handling it is static protected.

3-1

X8DTU-LN4F+ Motherboard User's Manual

!

3-2 Processor and Heatsink Installation

When handling the processor package, avoid placing direct pressure on
the label area of the fan.

Notes:

Always connect the power cord last, and always remove it before adding, 1.
removing or changing any hardware components. Make sure that you install
the processor into the CPU socket before you install the CPU heatsink.

Make sure to install the motherboard into the chassis before you install the 2.
CPU heatsink and heatsink fans.

When purchasing a motherboard without a 5500/5600 Series processor pre-3.
installed, make sure that the CPU socket plastic cap is in place, and none of
the CPU socket pins are bent; otherwise, contact the retailer immediately.

Refer to the M other boar d Features Se cti on for mo re detai ls on CPU su ppor t.4.

Installing an LGA 1366 Processor

Press the socket clip to release the load plate, which covers the CPU socket, 1.
from its locking position.

Gently lift the socket clip to open the load plate.2.

Hold the plastic cap at its north and south center edges to remove it from the 3.
CPU socket.

3-2

Chapter 3: Installation

After removing the plastic cap, using your thumb and the index fi nger, hold 4.
the CPU at the north and south center edges.

Align the CPU key, the semi-circle cutout, against the socket key, the notch 5.
below the gold color dot on the side of the socket.

Once both CPU and the socket are aligned, carefully lower the CPU straight 6.
down into the socket. (To avoid damaging the CPU or the socket, do not rub
the CPU against the surface of the socket or its pins.)

With the CPU inside the socket, inspect the four corners of the CPU to make 7.
sure that the CPU is properly installed.

Once the CPU is securely seated on the socket, lower the CPU load plate to 8.
the socket.

Use your thumb to gently push the socket clip down to the clip lock.9.

Warning: Please save the plastic cap. The motherboard must be shipped
with the plastic cap properly installed to protect the CPU socket pins.
Shipment without the plastic cap properly installed will cause damage
to the socket pins.

3-3

X8DTU-LN4F+ Motherboard User's Manual

Installing a Passive CPU Heatsink

Do not apply any thermal grease to the heatsink or the CPU die because the 1.
required amount has already been applied.

Place the heatsink on top of the CPU so that the four mounting holes are 2.
aligned with those on the retention mechanism.

3. Inst all two di agonal sc rews (e.g. the #1 and th e #2 scre ws) and tighten the m
until just s nug (-do not fully t ighten the screws to avo id possible damage to
the CPU.)

4. Finish the installation by fully tightening all four screws.

3-4

Chapter 3: Installation

Removing the Passive Heatsink

Warni ng: We do not recommend that the CPU or the heatsink be re-

moved. However, if you do need to remove the heatsink, please follow
the instructions below to uninstall the heatsink to avoid damaging the
CPU or othe r comp onents.

Unplug the power cord from the power supply.1.

Disconnect the heatsink fan wires from the CPU fan header.2.

Using a screwdriver, loosen and remove the heatsink screws from the mother-3.
board in the sequence as show in the picture below.

Hold the heatsink as shown in the picture below and 4. gently wriggle the heat­sink to loosen it from the CPU. (Do not use excessive force when wriggling
the heatsink.)

Screw#1

Screw#3

Screw#2

Screw#4

Once the CPU is loosened, remove the heatsink from the CPU socket.5.

To reinstall the CPU and the heatsink, clean the surface of the CPU and the 6.
heatsink to get rid of the old thermal grease. Reapply the proper amount of
thermal grease on the surface before reinstalling them on the motherboard.

3-5

X8DTU-LN4F+ Motherboard User's Manual

Installing an Active Heatsink

Locate the CPU Fan power connector on the motherboard. (Refer to the 1.
motherboard layout in Chapter 2 for the CPU Fan location.)

Position the heatsink so that the heatsink fan wires are closest to the CPU 2.
fan power connector and do not interfere with other components.

Inspect the CPU Fan wires to make sure that the wires are routed through the 3.
bottom of the heatsink.

Fan Wires

Heatsink Fins

Remove the thin layer of the protective fi lm from the copper core of the heatsink.4.

(Warning! CPU overheat may occur if the protective fi lm is not removed from
the heatsink.)

5. Note: if your heatsink

Apply the proper amount of thermal grease on the CPU. (
came with a thermal pad, please ignore this step.)

6.

If necessary, rearrange the wires to make sure that the wires are not pinched be­tween the heatsink and the CPU. Also make sure to keep clearance between the
fan wires and the fi ns of the heatsink.

7.

Align the four heatsink fasteners with the mounting holes on the motherboard.

Gently push the pairs of diagonal fasteners (#1 & #2, and #3 & #4) into the mount-8.
ing holes until you hear a click. (Note: Make sure to properly orient each fastener
so that the narrow end of the groove is pointing outward.)

9.

Repeat Step 7 to insert all four heatsink fasteners into the mounting holes.

3-6

Chapter 3: Installation

Once all four fasteners are securely inserted into the mounting holes, and the 10.
heatsink is properly installed on the motherboard, connect the heatsink fan
wires to the CPU fan connector.

Removing the Active Heatsink

Warni ng: We do not recommend that the CPU or the heatsink be re-

moved. However, if you do need to remove the heatsink, please follow
the inst ructions be low to uninstall th e heatsink and prevent da mage to
the CPU or ot her co mpone nts.

Unplug the power cord from the power supply.1.

Disconnect the heatsink fan wires from the CPU fan header.2.

Use your fi nger tips to gently press on the fastener cap and turn it coun-3.
terclockwise to make a 1/4 (90

0

) turn, and then pull the fastener upward to

loosen it.

Repeat Step 3 to loosen all fasteners from the mounting holes.4.

With all fasteners loosened, remove the heatsink from the CPU. 5.

3-7

X8DTU-LN4F+ Motherboard User's Manual

3-3 Installing and Removing the Memory Modules

Note: Check Supe rmic ro's web site for r ecom mende d memo ry m odule s.

CAUTION

Exercise extreme care when installing or removing DIMM

module s to prevent a ny possi ble dam age.

Installing & Removing DIMMs

Insert the desired number of DIMMs into the memory slots, starting with P1-1.
DIMM #1A. (For best performance, please use the memory modules of the
same type and same speed in the same bank.)

Position the DIMM module's bottom key so that it aligns with the receptive 2.
point on the slot.

X8DTU-LN4F+

Rev. 2.0

Push the Lock/Release tabs to their Release positions. Make sure that the 3.
side notches of a DIMM module align with the Lock/Release tabs of the slot
when pressed in.

Insert the DIMM module vertically and press it down until the module snaps 4.
into place.

Press the Lock/Release tabs to secure the DIMM module.5.

Release

Lock/Release Tabs

Notches

Release

Press Down

Removing Memory Modules

Reverse the steps above to remove the 1.
DIMM modules from the motherboard.

3-8

Release

Release

Chapter 3: Installation

Memory Support

The X8DTU-LN4F+ Motherboard supports up to 192 GB* Registered ECC or up
to 48 GB Unbuffered ECC/Non-ECC DDR3 1333 MHz/1066 MHz/800 MHz in 18
DIMMs. (*Refer to Supermicro's memory recommendation list posted on our website
at www.supermicro.com.)

Note: Memory Speed support depends on the type(s) of CPU(s) used.

DIMM Module Population Confi guration

For memor y to wor k pro perl y, follow the tab les be low for me mor y inst allati on:

Memory Population for Optimal Performance

-For a Motherboard with One CPU (CPU1) Installed

P1-DIMMs To Populate P1-DIMMs

Branch 0 Branch 1 Branch 2

3 DIMMs P1-1A P1-2A P1-3A
6 DIMMs P1-1A P1-1B P1-2A P1-2B P1-3A P1-3B
9 DIMMs

(RDIMMs only) (Note)
Note: Max. of 6 UDIMM modules are supported by a CPU.

P1-1A P1-1B P1-1C P1-2A P1-2B P1-2C P1-3A P1-3B P1-3C

Memory Population for Optimal Performance

-For a Motherboard with One CPU (CPU2) Installed

P2-DIMMs To Populate P2-DIMMs

Branch 0 Branch 1 Branch 2

3 DIMMs P2-1A P2-2A P2-3A
6 DIMMs P2-1A P2-1B P2-2A P2-2B P2-3A P2-3B
9 DIMMs

(RDIMMs only (Note)
Note: Max. of 6 UDIMM modules are supported by a CPU.

P2-1A P2-1B P2-1C P2-2A P2-2B P2-2C P2-3A P2-3B P2-3C

Memory Population for Optimal Performance

-For a Motherboard with Two CPUs Installed

CPU 1 (To Populate P1-DIMMs) CPU 2 (To Populate P2-DIMMs)
Branch 0 Branch 1 Branch 2 Branch 0 Branch 1 Branch 2

6 DIMMs P1-1A P1-2A P1-3A P2-1A P2-2A P2-3A
12 DIMMs P1-1A/1B P1-2A/2B P1-3A/3B P2-1A/1B P2-2A/2B P2-3A/3B
18 DIMMs

(For RDIMMs only) (Note)
Note: Max. of 6 UDIMM modules are supported by a CPU.

P1­1A/1B/1C

P1­2A/2B/2C

P1­3A/3B/3C

P2­1A/1B/1C

P2­2A/2B/2C

P2­3A/3B/3C

3-9

X8DTU-LN4F+ Motherboard User's Manual

Memory Support for the Motherboard with the 5500 Processor(s)
Installed

RDIMM Population for the Motherboard w/5500 Processors Installed

DIMM
Slots per
Channel

3 1 Reg. DDR3 ECC 800,1066,1333 SR or DR
3 1 Reg. DDR3 ECC 800,1066 QR
3 2 Reg. DDR3 ECC 800,1066 Mixing SR, DR
3 2 Reg. DDR3 ECC 800 (Note) Mixing SR, DR, QR
3 3 Reg. DDR3 ECC 800 (Note ) Mixing SR, DR

Note: 1066 RDIMMs will run at 800 MHz (-BIOS automatic downgrading)

DIMMs
Populated
per Channel

DIMM Type (Reg.=
Registered)

UDIMM Population for the Motherboard w/5500 Processors Installed

DIMM
Slots per
Channel

3 1 Unb. DDR3 ECC/Non-ECC 800,1066,1333 SR or DR
3 2 Unb. DDR3 ECC/Non-ECC 800,1066 Mixing SR, DR
3 3 Not available Not available Not available

DIMMs
Populated
per Channel

DIMM Type (Unb.=
Unbuffered)

Speeds (in MHz) Ranks per DIMM

(any combination;
SR=Single Rank,
DR=Dual Rank,
QR=Quad Rank)

Speeds (in MHz) Ranks per DIMM

(any combination;
SR=Single Rank,
DR=Dual Rank,
QR=Quad Rank)

Memory Support for the Motherboard with the 5600 Processor(s)
Installed

1.5V DIMMs•

1.5V RDIMM Population for the Motherboard w/5600 Processors Installed

DIMM
Slots per
Channel

3 1 Reg. DDR3 ECC 800,1066,1333 SR or DR
3 1 Reg. DDR3 ECC 800,1066 (Note 1) QR
3 2 Reg. DDR3 ECC 800,1066, 1333 Mixing SR, DR
3 2 Reg. DDR3 ECC 800 (Note 2) Mixing SR, DR, QR
3 3 Reg. DDR3 ECC 800 (Note 2) Mixing SR, DR

Note 1: 1333 MHz RDIMMs will run at 1066 MHz (-BIOS automatic downgrading).
Note 2: 1333/1066 MHz RDIMMs will run at 800 MHz (-BIOS automatic downgrading).
Note 3: MIxing of 1.35V and 1.5V DIMMs is not recommended.

DIMMs
Populated
per Channel

DIMM Type
(Reg.=Registered)

Speeds (in MHz) Ranks per DIMM

(any combination;
SR=Single Rank,
DR=Dual Rank,
QR=Quad Rank)

3-10

Chapter 3: Installation

1.5V UDIMM Population for the Motherboard w/5600 Processors Installed

DIMM
Slots per
Channel

3 1 Unb. DDR3 ECC/Non-ECC 800,1066,1333 SR or DR
3 2 Unb. DDR3 ECC/Non-ECC 800,1066, 1333 Mixing SR, DR
3 3 Not Available Not Available Not Available

Note 1: 1333 MHz for two DIMMs per channel is supported when Unbuf./ECC DIMMs are used.
Note 2: MIxing of 1.35V and 1.5V DIMMs is not recommended.

DIMMs
Populated
per Channel

DIMM Type (Unb.=
Unbuffered)

Speeds (in MHz) Ranks per DIMM

(any combination;
SR=Single Rank,
DR=Dual Rank,
QR=Quad Rank)

1.35V DIMMs•

1.35V RDIMM Population for the Motherboard w/5600 Processors
Installed

DIMM
Slots per
Channel

3 1 Reg. DDR3 ECC 800,1066,1333 SR or DR
3 1 Reg. DDR3 ECC 800 (Note 1) QR
3 2 Reg. DDR3 ECC 800,1066 (Note 2) Mixing SR, DR
3 2 Reg. DDR3 ECC 800 (Note 3) Mixing SR, DR, QR
3 3 Not Available Not Available Not Available

Note 1: 1333/1066 MHz QR RDIMMs will run at 800 MHz (-BIOS automatic downgrading).
Note 2: 1333 MHz SR/DR RDIMMs will run at 800 MHz (-BIOS automatic downgrading).
Note 3: 1333/1066 MHz SR/DR/QR RDIMMs will run at 800 MHz (-BIOS automatic downgrading).
Note 4: MIxing of 1.35V and 1.5V DIMMs is not recommended.

DIMMs
Populated
per Channel

DIMM Type
(Reg.=Registered)

Speeds (in MHz) Ranks per DIMM

(any combination;
SR=Single Rank,
DR=Dual Rank,
QR=Quad Rank)

1.35V UDIMM Population for the Motherboard w/5600 Processors Installed

DIMM
Slots per
Channel

3 1 Unb. DDR3 ECC 800,1066,1333 SR or DR
3 2 Unb. DDR3 ECC 800,1066 Mixing SR, DR
3 3 Not Available Not Available Not Available

Note 1: 1333 MHz for two DIMMs per channel is supported when Unbuf./ECC DIMMs are used.
Note 2: MIxing of 1.35V and 1.5V DIMMs is not recommended.

DIMMs
Populated
per Channel

DIMM Type (Unb.=
Unbuffered)

Speeds (in MHz) Ranks per DIMM

(any combination;
SR=Single Rank,
DR=Dual Rank,
QR=Quad Rank)

3-11

X8DTU-LN4F+ Motherboard User's Manual

Note 1: Due to OS limitations, some operating systems may not show
more than 4 GB of memory.

Note 2: Due to memory allocation to system devices, the amount of
memory that re mai ns avail abl e fo r ope rat io nal us e wi ll be re duc e d whe n
4 GB of R A M is us ed. T he re duc tio n in me mor y ava ilab ili ty i s disp rop or­tiona l. (See the fo llowi ng Table.)

Possible System Memory Allocation & Availability

System Device Size Physical Memory

Firmware Hub fl ash memory (System BIOS) 1 MB 3.99 GB
Local APIC 4 KB 3.99 GB
Area Reserved for the chipset 2 MB 3.99 GB
I/O APIC (4 Kbytes) 4 KB 3.99 GB
PCI Enumeration Area 1 256 MB 3.76 GB
PCI Express (256 MB) 256 MB 3.51 GB
PCI Enumeration Area 2 (if needed) -Aligned on

256-MB boundary­VGA Memory 16 MB 2.85 GB
TSEG 1 MB 2.84 GB
Memory available for the OS & other applications 2.84 GB

512 MB 3.01 GB

Remaining (-Available)
(4 GB Total System Memory)

3-12

Chapter 3: Installation

3-4 Motherboard Installation

All motherboards have standard mounting holes to fi t different types of chassis.
Make sure that the locations of all the mounting holes for both motherboard and
chassis match. Although a chassis may have both plastic and metal mounting fas­teners, metal ones are highly recommended because they ground the motherboard
to the chassis. Make sure that the metal standoffs click in or are screwed in tightly.
Then use a screwdriver to secure the motherboard onto the motherboard tray.

Tools Needed

Philips Screwdriver•

Pan head screws (9 pieces)•

Standoffs (9 pieces, if needed)•

Location of Mounting Holes

There are nine (9) mounting holes on this motherboard indicated by the arrows.

X8DTU-LN4F+

Rev. 2.0

Caution: 1) To avoid damaging the motherboard and its components,
please do not use a force greater than 8 lb/inch on each mounting screw
during motherboard installation. 2) Some components are very close to the
mounting holes. Please take precautionary measures to prevent damage
to these components when installing the motherboard to the chassis.

3-13

X8DTU-LN4F+ Motherboard User's Manual

Installing the Motherboard

Install the I/O shield into the chassis. 1.

Locate the mounting holes on the motherboard. 2.

Locate the matching mounting holes on the chassis. Align the mounting holes 3.
on the motherboard against the mounting holes on the chassis.

Install standoffs in the chassis as needed.4.

Install the motherboard into the chassis carefully to avoid damaging mother-5.
board components.

Using the Philips screwdriver, insert a Pan head #6 screw into a mounting 6.
hole on the motherboard and its matching mounting hole on the chassis.

Repeat Step 5 to insert #6 screws into all mounting holes.7.

Make sure that the motherboard is securely placed in the chassis.8.

Note: Images displayed are is illustration only. Y our chassis or components
might look different.

3-14

Chapter 3: Installation

1

2

3

45678

9

3-5 Control Panel Connectors/I/O Ports

The I/O p ort s are col or cod ed in co nforma nce wit h the PC 9 9 speci fi cation. See
the pic ture be low for t he co lors a nd loc atio ns of the var ious I /O por t s.

Back Panel Connectors/I/O Ports

10

X8DTU-LN4F+

Rev. 2.0

11

12

Back Panel I/O Port Locations and Defi nitions

Keyboard (Purple)1.
PS/2 Mouse (Green)2.
Back Panel USB Port 03.
Back Panel USB Port 14.
IPMI_Dedicated LAN5.
COM Port 1 (Turquoise)6.
VGA1 (Blue) 7.
Gigabit LAN 18.
Gigabit LAN 29.
Gigabit LAN 310.
Gigabit LAN 411.
UID Switch12.

3-15

X8DTU-LN4F+ Motherboard User's Manual

2

1

ATX PS/2 Keyboard and PS/2
Mouse Ports

The ATX PS/2 keyboard and PS/2
mouse are located next to the Back
Panel USB Ports 0~1 on the moth­erboard. See the table at right for pin
defi nitions.

PS/2 Keyboard/Mouse Pin

Defi nitions

PS2 Keyboard PS2 Mouse
Pin# Defi nition Pin# Defi nition
1 KB Data 1 Mouse Data
2 No Connection 2 No Connection
3 Ground 3 Ground

4 Mouse/KB VCC

(+5V)
5 KB Clock 5 Mouse Clock
6 No Connection 6 No Connection
VCC: with 1.5A PTC (current limit)

4 Mouse/KB VCC

(+5V)

1. Keyboard (Purple)

2. Mouse (Green)

X8DTU-LN4F+

Rev. 2.0

3-16

Chapter 3: Installation

2

1

3

4

5

6

Universal Serial Bus (USB)

Two Universal Serial Bus ports (USB
0/1) are located on the I/O back panel.
Five USB connections (USB 2/3, 4/5,

6) are located on the motherboard
to provide front chassis access. In
addition, USB 7, located next to Fan
6, provides internal USB support. (Ca­bles are not included). See the tables
on the right for pin defi nitions.

Front Panel

USB

(USB 0/1)

Pin# Defi nition
1 +5V
2 PO­3 PO+
4 Ground
5NA

Front Panel USB

(USB 6)

Pin# Defi nition
1 Vcc
2 Data­3 Data+
4 Ground
5NA

Front Panel USB

Pin Defi nitions (USB4/5)

USB 2/3
Pin # Defi nition

1 +5V 1 +5V
2 PO- 2 PO­3 PO+ 3 PO+
4 Ground 4 Ground
5 Key 5 NC

(NC= No connection)

Internal USB

Pin Defi nitions (USB 7)

Pin # Defi ni-
tion

1 PWR 2 Ground
3 USBD- 4 Ground
5 USBD+ 6 Ground
7 Ground 8 Ground
9 NA 10 Ground

USB 4/5
Pin # Defi nition

Pin # Defi ni-
tion

1. Backpanel USB 0

2. Backpanel USB 1

3. Front Panel USB 2/3

4. Front Panel USB 4/5

5. Front Panel USB 6

6. Internal USB 7

X8DTU-LN4F+

Rev. 2.0

3-17

X8DTU-LN4F+ Motherboard User's Manual

2

1

2

1

3

4

Serial Ports

Two COM connections (COM1 & COM2)
are located on the motherboard. COM1
is located on the Backplane I/O panel.
COM2 is located next to the ICH10R
South Bridge to provide additional se­rial connection support. See the table
on the right for pin defi nitions.

COM2

COM1

Video Connectors

A Video (VGA1) port is located next to
COM1 on the I/O backplane. Another
VGA connector (VGA2) provides front
accessible video display. VGA2 is
available on a 2U system only. When
VGA2 is enabled, VGA1 will be dis­abled. Refer to the board layout below
for the locations.

Serial COM) Ports

Pin Defi nitions

Pin # Defi nition Pin # Defi nition
1 DCD 6 DSR
2 RXD 7 RTS
3 TXD 8 CTS
4 DTR 9 RI
5 Ground 10 N/A

1. COM1

2. COM2

3. VGA1

4. VGA2 (for 2U Systems only)

X8DTU-LN4F+

Rev. 2.0

3-18

Chapter 3: Installation

213

4

5

Ethernet Ports

Four Ethernet ports (LAN1/LAN2/
LAN3/LAN4) are located on the I/O
backplane. In addition, an IPMI_Dedi­cated LAN is located on top of the
back panel USB ports (USB 0/1) to
provide KVM support for IPMI 2.0.
All these ports accept RJ45 type
cables. (Note: Please refer to the
LED Indicator Section for LAN LED
information.)

LAN Ports

Pin Defi nition

Pin# Defi nition
1 P2V5SB 10 SGND
2 TD0+ 11 Act LED
3 TD0- 12 P3V3SB
4 TD1+ 13 Link 100 LED (Yel-

low, +3V3SB)

5 TD1- 14 Link 1000 LED

(Yellow, +3V3SB)
6 TD2+ 15 Ground
7 TD2- 16 Ground
8 TD3+ 17 Ground
9 TD3- 18 Ground

(NC: No Connection)

1. LAN1

2. LAN2

3. LAN3

4. LAN4

5. IPMI_LAN

X8DTU-LN4F+

Rev. 2.0

3-19

X8DTU-LN4F+ Motherboard User's Manual

Front Control Panel

JF1 contains header pins for various buttons and indicators that are normally lo­cated on a control panel at the front of the chassis. These connectors are designed
specifi cally for use with Supermicro server chassis. See the fi gure below for the
descriptions of the various control panel buttons and LED indicators. Refer to the
following section for descriptions and pin defi nitions.

JF1 Header Pins

X8DTU-LN4F+

Rev. 2.0

Ground

X

FP PWRLED

HDD LED

NIC1 Link LED

NIC2 Link LED

Blue+ (OH/Fan Fail/
PWR FaiL/UID LED

1920

NMI

X

3.3 V

ID_UID_SW/3/3V Stby

NIC1 Active LED

NIC2 Active LED

Red+ (Blue Led Cathode)

Power Fail LED

Ground

Ground

3-20

3.3V

Reset

PWR

2

1

Reset Button

Power Button

Front Control Panel Pin Defi nitions

Chapter 3: Installation

NMI Button

The non-maskable interrupt button
header is located on pins 19 and 20
of JF1. Refer to the table on the right
for pin defi nitions.

Power LED

The Power LED connection is located
on pins 15 and 16 of JF1. Refer to the
table o n the ri ght for p in defi nitions.

NMI Button

Pin Defi nitions (JF1)

Pin# Defi nition
19 NMI
20 Ground

Power LED

Pin Defi nitions (JF1)

Pin# Defi nition
15 3.3V
16 FP PWR LED

X8DTU-LN4F+

Rev. 2.0

Ground

X

B

FP PWRLED

HDD LED

NIC1 Link LED

NIC2 Link LED

Blue+ (OH/Fan Fail/
PWR FaiL/UID LED

Power Fail LED

Ground

Ground

A. NMI
B. PWR LED

1920

A

NMI

X

3.3 V

ID_UID_SW/3/3V Stby

NIC1 Active LED

NIC2 Active LED

Red+ (Blue Led Cathode)

3.3V

Reset

PWR

2

1

Reset Button

Power Button

3-21

X8DTU-LN4F+ Motherboard User's Manual

HDD LED

The HDD LED connection is located
on pins 13 and 14 of JF1. Attach a
cable here to indicate HDD activ­ity. See the table on the right for pin
defi nitions.

NIC1/NIC2 LED Indicators

The NIC (Network Interface Control­ler) LED connection for GLAN port 1 is
located on pins 11 and 12 of JF1, and
the LED connection for GLAN Port 2
is on Pins 9 and 10. Attach the NIC
LED cables to display network activity .
Refer to the table on the right for pin
defi nitions.

HDD LED

Pin Defi nitions (JF1)

Pin# Defi nition
13 ID_UID_SW/3.3VSB
14 HDD Active

GLAN1/2 LED

Pin Defi nitions (JF1)

Pin# Defi nition
9 NIC2 Active
10 NIC2 Link
11 NIC1 Active
12 NIC2 Link

X8DTU-LN4F+

Rev. 2.0

Ground

X

FP PWRLED

HDD LED

A

NIC1 Link LED

B

C

NIC2 Link LED

Blue+ (OH/Fan Fail/
PWR FaiL/UID LED

Power Fail LED

Ground

Ground

A. HDD LED
B. NIC1 LED
C. NIC2 LED

1920

NMI

X

3.3 V

ID_UID_SW/3/3V Stby

NIC1 Active LED

NIC2 Active LED

Red+ (Blue Led Cathode)

3.3V

Reset

2

1

PWR

Reset Button

Power Button

3-22

Chapter 3: Installation

Overheat (OH)/Fan Fail/PWR Fail/
UID LED

Connect an LED cable to OH/Fan Fail
connection on pins 7 and 8 of JF1 to
provide advanced warnings of chassis
overheat or fan failure. Refer to the
table on the right for pin defi nitions.

Power Fail LED

The Power Fail LED connection is
locate d on pins 5 and 6 of JF1. Re­fer to the table on the right for pin
defi nitions.

Blue+ (OH/Fan Fail/PWR Fail/UID

Pin# Defi nition
7 Red+ (Blue LED Cathode)
8 Blue+ (OH/Fan Fail/PWR Fail/

UID LED)

Pin Defi nitions (JF1)

Pin# Defi nition
5 3.3V
6 PWR Fail LED

LED)

Pin Defi nitions (JF1)

OH/Fan Fail Indicator

Status

State Defi nition
Off Normal
On Overheat
Flash-

ing

Fan Fail

PWR Fail LED

X8DTU-LN4F+

Rev. 2.0

FP PWRLED

HDD LED

NIC1 Link LED

NIC2 Link LED

Blue+ (OH/Fan Fail/

A

PWR FaiL/UID LED

Power Fail LED

B

Ground

X

Ground

Ground

A. OH/Fan Fail & UID LEDs
B. PWR Supply Fail

1920

NMI

X

3.3 V

ID_UID_SW/3/3V Stby

NIC1 Active LED

NIC2 Active LED

Red+ (Blue Led Cathode)

3.3V

Reset

PWR

2

1

Reset Button

Power Button

3-23

X8DTU-LN4F+ Motherboard User's Manual

Reset Button

The Reset Button connection is located
on pins 3 and 4 of JF1. Attach it to a
hardware reset switch on the computer
case. Refer to the table on the right for
pin defi nitions.

Power Button

The Power Button connection is located
on pins 1 and 2 of JF1. Momentarily
contacting both pins will power on/off
the system. This button can also be con­fi gured to function as a suspend button
(with a setting in the BIOS - see Chapter

5). To turn off the power when the system
is in suspend mode, press the button for
at least 4 seconds. Refer to the table on
the right for pin defi nitions.

Reset Button

Pin Defi nitions (JF1)

Pin# Defi nition
3 Reset
4 Ground

Power Button

Pin Defi nitions (JF1)

Pin# Defi nition

1 PWR Button
2 Ground

X8DTU-LN4F+

Rev. 2.0

Ground

X

FP PWRLED

HDD LED

NIC1 Link LED

NIC2 Link LED

Blue+ (OH/Fan Fail/
PWR FaiL/UID LED

Power Fail LED

Ground

Ground

A. Reset Button
B. PWR Button

1920

NMI

X

3.3 V

ID_UID_SW/3/3V Stby

NIC1 Active LED

NIC2 Active LED

Red+ (Blue Led Cathode)

3.3V

Reset

Reset Button

A

Power Button

PWR

2

1

B

3-24

Chapter 3: Installation

3-6 Connecting Cables

Power Connectors

A 24-pin main power supply connector (JPW1)
and two 8-pin CPU PWR connectors (JPW2/
JPW3) are located on the motherboard. These
power connectors meet the SSI EPS 12V
specifi cation. In addition to the 24-pin ATX
power connector, the 12V 8-pin CPU PWR
connectors at JPW2/JPW3 must also be con­nected to your power supply. See the table on
the right for pin defi nitions.

Warning! To avoid damaging the
power supply or motherboard, please
use a power supply that contains a
24-pin and two 8-pin power connec­tors. Be sure to connect these con­nectors to the 24-pin (JPW1) and the
two 8-pin (JPW2, JPW3) power con­nectors on the motherboard. Failure
to do so will void the manufacturer
warranty on your power supply and
motherboard.

VGA1

FAN8/CPU1

COM1

USB0/1

IPMI_LAN

JD1

PHY

SP1

LE11

LAN4

UID

UIOP

J1

JPL2

SXB2: PCI-E 2.0 x8+x4

J2

SXB1: PCI-E 2.0 x16

LAN2

LAN3

LAN1

LAN2

JPL1

LAN1

ATX Power 24-pin Connector

Pin Defi nitions

Pin# Defi nition Pin # Defi nition
13 +3.3V 1 +3.3V
14 -12V 2 +3.3V
15 COM 3 COM
16 PS_ON 4 +5V
17 COM 5 COM
18 COM 6 +5V
19 COM 7 COM
20 Res (NC) 8 PWR_OK
21 +5V 9 5VSB
22 +5V 10 +12V
23 +5V 11 +12V
24 COM 12 +3.3V

12V 8-pin PWR Con-

nector

Pin Defi nitions

Pins Defi nition
1 through 4 Ground
5 through 8 +12V

(Required)

KB/MS

USB2/3

VGA2

JBT1

A. 24-pin ATX PWR (Req'd)
B/C.8-pin Processor PWR
(Req'd)

COM2

JTPM

USB4/5

JPG1

JP8

JL1

JI2C2

JI2C1

D20

USB6

SATA0~5

Intel

ICH10R

Winbond

BMC

JWF1

WOR1

T-SGPIO1

T-SGPIO2

JWD

COMS
Clear

BIOS

JBT1

USB7

FAN6

JTAG of CPLD

LE1

FPCTRL

Intel

IOH-36D

JOH1

JF1

J3

FAN4

FAN5

SXB3: PCI-E 2.0 x8

P2-DIMM3A

IPMB1

JIPMB2

X8DTU-LN4F+

Rev. 2.0

P2-DIMM3C

P2-DIMM3B

P2-DIMM2A

FAN3

CPU1

P2-DIMM2B

P2-DIMM2C

P2-DIMM1A

P2-DIMM1B

P2-DIMM1C

P1-DIMM1C

P1-DIMM1B

FAN2

P1-DIMM1A

P1-DIMM2C

CPU2

FAN7/CPU2

JPK1

P1-DIMM2B

P1-DIMM2A

JPI2C

FAN1

P1-DIMM3C

P1-DIMM3B

P1-DIMM3A

JPW1

C

JPW3

JPW2

B

3-25

A

X8DTU-LN4F+ Motherboard User's Manual

D

E

F

G

Fan Headers

This motherboard has six chassis/system
fan headers (Fan 1 to Fan6) and two CPU
fans (Fan7/Fan8) on the motherboard. All
these 4-pin fans headers are backward
compatible with the traditional 3-pin fans.
However, fan speed control is available
for 4-pin fans only. The fan speeds are
controlled by Thermal Management via
Hardware Monitoring in the Advanced
Setting in the BIOS. (The Default setting
is Disabled.) See the table on the right for
pin defi nitions.

Chassis Intrusion

A Chassis Intrusion header is located
at JL1 on the motherboard. Attach an
appropriate cable from the chassis to
inform you of a chassis intrusion when
the chassis is opened.

Fan Header

Pin Defi nitions

Pin# Defi nition
1 Ground
2 +12V
3 Tachometer
4 PWR Modulation

Chassis Intrusion

Pin Defi nitions

Pin# Defi nition
1 Intrusion Input
2 Ground

COM2

JTPM

USB4/5

JPG1

JL1

JI2C2

D20

JP8

USB6

SATA0~5

JI2C1

ICH10R

Intel

I

Winbond

BMC

JWF1

WOR1

COMS
Clear

T-SGPIO1

T-SGPIO2

VGA1

H

P1-DIMM1C

P1-DIMM1B

B

FAN2

COM1

PHY

P1-DIMM1A

P1-DIMM2C

CPU2

FAN7/CPU2

JPK1

USB0/1

IPMI_LAN

SP1

P1-DIMM2B

P1-DIMM2A

A

JPI2C

FAN1

JD1

P1-DIMM3C

JPW3

JPW2

KB/MS

USB2/3

VGA2

JBT1

P1-DIMM3B

P1-DIMM3A

JPW1

LE11

LAN4

UID

UIOP

J1

JPL2

SXB2: PCI-E 2.0 x8+x4

LAN2

J2

SXB1: PCI-E 2.0 x16

J3

SXB3: PCI-E 2.0 x8

JWD

Intel

BIOS

JBT1

USB7

FAN6

JTAG of CPLD

LE1

FPCTRL

IOH-36D

JOH1

JF1

FAN4

FAN5

IPMB1

JIPMB2

P2-DIMM3A

P2-DIMM3B

P2-DIMM3C

P2-DIMM2A

C

FAN3

LAN1

LAN2

LAN3

JPL1

LAN1

CPU1

X8DTU-LN4F+

Rev. 2.0

P2-DIMM2B

P2-DIMM2C

P2-DIMM1A

P2-DIMM1B

P2-DIMM1C

FAN8/CPU1

A. Fan 1 (CPU1 Fan)
B. Fan 2 (CPU2 Fan)
C. Fan 3
D. Fan 4
E. Fan 5
F. Fan 6
G. Fan 7 (CPU2 Fan)
H. Fan 8 (CPU1 Fan)
i. Chassis Intrusion

3-26

Chapter 3: Installation

Internal Speaker

The Internal Speaker, located at SP1,
can be used to provide audible indica­tions for various beep codes. See the
table on the right for pin defi nitions.
Refer to the layout below for the loca­tions of the Internal Buzzer (SP1).

Power LED/Speaker

On the JD1 header, pins 1-3 are used
for power LED indication, and pins 4-7
are for the speaker. See the tables
on the right for pin defi nitions. Please
note that the speaker connector pins
(4-7) are for use with an external
speaker. If you wish to use the on­board speaker, you should close pins
6-7 with a jumper.

Internal Buzzer (SP1)

Pin Defi nition

Pin# Defi nitions
Pin 1 Pos. (+) Beep In
Pin 2 Neg. (-) Alarm

Speaker

PWR LED Connector

Pin Defi nitions

Pin Setting Defi nition
Pin 1 Anode (+)
Pin2 Cathode (-)
Pin3 NA

Speaker Connector

Pin Settings

Pin Setting Defi nition
Pins 4-7 External Speaker
Pins 6-7 Internal Speaker

COM2

JTPM

USB4/5

JPG1

JL1

JI2C2

JP8

USB6

JI2C1

D20

ICH10R

SATA0~5

Intel

Winbond

BMC

JWF1

WOR1

T-SGPIO1

T-SGPIO2

JWD

COMS
Clear

BIOS

JBT1

USB7

FAN6

JTAG of CPLD

LE1

FPCTRL

Intel

IOH-36D

JOH1

JF1

J3

IPMB1

FAN4

FAN5

LE11

LAN4

UID

UIOP

J1

JPL2

SXB2: PCI-E 2.0 x8+x4

J2

SXB1: PCI-E 2.0 x16

SXB3: PCI-E 2.0 x8

P2-DIMM3C

P2-DIMM3A

P2-DIMM3B

JIPMB2

LAN2

LAN3

JPL1

LAN1

LAN2

CPU1

X8DTU-LN4F+

Rev. 2.0

P2-DIMM2B

P2-DIMM2C

P2-DIMM1A

P2-DIMM2A

FAN3

LAN1

FAN8/CPU1

P2-DIMM1B

P2-DIMM1C

VGA1

P1-DIMM1C

COM1

A

P1-DIMM1A

P1-DIMM1B

CPU2

FAN7/CPU2

FAN2

IPMI_LAN

PHY

SP1

P1-DIMM2B

P1-DIMM2C

JPI2C

FAN1

JPK1

USB0/1

JD1

B

P1-DIMM3C

P1-DIMM2A

JPW3

JPW2

KB/MS

USB2/3

VGA2

JBT1

P1-DIMM3B

P1-DIMM3A

JPW1

A. Internal Speaker (Buzzer)
B. PWR LED/Speaker

3-27

X8DTU-LN4F+ Motherboard User's Manual

DOM Power Connector

A power connector for SATA DOM
(Disk_On_Module) Devices is located
at JWF1. Connect the appropriate
cable here to provide power support
for your DOM devices.

Overheat LED/Fan Fail

The JOH1 header is used to connect
an LED indi cat or to p rovi de war ni ngs
of chass is overheat ing or fan fa ilure.
This LED w ill b link w he n a fan f ailu re
occu rs. Ref er to t he t abl e on r ight f or
pin defi nitions.

DOM PWR

Pin Defi nitions

Pin# Defi nition
1 +5V
2 Ground
3 Ground

Overheat LED

Pin Defi nitions

Pin# Defi nition
1 5vDC
2 OH Active

OH/Fan Fail LED

Status

State Message
Solid Overheat
Blinking Fan Fail

COM2

JTPM

USB4/5

JPG1

JL1

JI2C2

D20

JP8

USB6

SATA0~5

JI2C1

ICH10R

Intel

Winbond

BMC

A

JWF1

WOR1

COMS
Clear

T-SGPIO1

T-SGPIO2

VGA1

P1-DIMM1C

P1-DIMM1B

FAN2

COM1

PHY

P1-DIMM1A

P1-DIMM2C

CPU2

FAN7/CPU2

JPK1

USB0/1

IPMI_LAN

SP1

P1-DIMM2B

P1-DIMM2A

JPI2C

FAN1

JD1

P1-DIMM3C

JPW3

JPW2

KB/MS

USB2/3

VGA2

JBT1

P1-DIMM3B

P1-DIMM3A

JPW1

LE11

LAN4

UID

UIOP

J1

JPL2

SXB2: PCI-E 2.0 x8+x4

LAN2

J2

SXB1: PCI-E 2.0 x16

J3

SXB3: PCI-E 2.0 x8

JWD

Intel

BIOS

JBT1

USB7

FAN6

JTAG of CPLD

LE1

FPCTRL

IOH-36D

B

JOH1

JF1

FAN4

FAN5

IPMB1

JIPMB2

P2-DIMM3A

P2-DIMM3B

P2-DIMM3C

P2-DIMM2A

FAN3

LAN1

LAN2

LAN3

JPL1

LAN1

CPU1

X8DTU-LN4F+

Rev. 2.0

P2-DIMM2B

P2-DIMM2C

P2-DIMM1A

P2-DIMM1B

P2-DIMM1C

FAN8/CPU1

A. DOM PWR
B. Overheat LED

3-28

Chapter 3: Installation

D

T-SGPIO 1/2 Headers

Two SGPIO (Serial-Link General
Purpose Input/Output) headers are
located on the motherboard. These
headers support Serial_Link inter­faces for onboard SATA connections.
See the table on the right for pin
defi nitions.

External BMC I2C Connectors

Two External BMC (Baseboard Man­agement Controller) SMBus Power

2

(I

C) connectors are located at JIPMB2
and IPMB1 on the motherboard. Both
JIPMB2 and IPMB1 are located on the
same I

2

C bus, providing the same sup­port. Connect one or both connectors
for External BMC I

2

C support.

T-SGPIO

Pin Defi nitions

Pin# Defi nition Pin Defi nition
1NC 2NC
3 Ground 4 Data

5 Load 6 Ground
7 CLK 8 No Connection

BMC I2C (JIPMB2)

Pin Defi nitions

Pin# Defi nition
1I

2

C Data
2 Ground
3I

2

C CLK

BMC I2C (IPMB1)

Pin Defi nitions

Pin# Defi nition

2

1I

C Data

2 Ground

2

3I

C CLK

4NA

COM2

JTPM

USB4/5

JPG1

JP8

JL1

JI2C2

JI2C1

D20

ICH10R

USB6

SATA0~5

Intel

Winbond

BMC

A

JWF1

WOR1

T-SGPIO1

B

T-SGPIO2

JWD

COMS
Clear

BIOS

JBT1

USB7

FAN6

JTAG of CPLD

LE1

FPCTRL

Intel

IOH-36D

JOH1

JF1

J3

C

IPMB1

FAN4

FAN5

LE11

LAN4

UID

UIOP

J1

JPL2

SXB2: PCI-E 2.0 x8+x4

J2

SXB1: PCI-E 2.0 x16

SXB3: PCI-E 2.0 x8

P2-DIMM3A

P2-DIMM3B

JIPMB2

LAN3

JPL1

LAN2

CPU1

X8DTU-LN4F+

Rev. 2.0

P2-DIMM3C

P2-DIMM2B

P2-DIMM2C

P2-DIMM2A

FAN3

LAN2

LAN1

P2-DIMM1A

LAN1

P2-DIMM1B

P2-DIMM1C

VGA1

FAN8/CPU1

P1-DIMM1C

P1-DIMM1B

FAN2

COM1

PHY

P1-DIMM1A

P1-DIMM2C

CPU2

FAN7/CPU2

JPK1

USB0/1

IPMI_LAN

SP1

P1-DIMM2B

P1-DIMM2A

JPI2C

FAN1

JD1

P1-DIMM3C

JPW3

JPW2

KB/MS

USB2/3

VGA2

JBT1

P1-DIMM3B

P1-DIMM3A

JPW1

A. T-SGPIO-1
B. T-SGPIO-2
C. IPMB1
D. JIPMB2

3-29

X8DTU-LN4F+ Motherboard User's Manual

LAN4

LAN2

LAN1

VGA1

COM1

UIO Power Connector

A Universal I/O (UIO) Power connec­tor is located next to the UID switch.
Connect this connector to the power
supply to provide adequate power to
the UIO device installed on the slot for
this device to function properly. See
the layout below for the location.

NIC3/NIC4 LED Headers

LAN3 (NIC3) LED and LAN4 (NIC4)
LED header is located at JPK1. Con­nect the appropriate cables here to
provide LAN3 and LAN4 LED indica­tions on your motherboard.

Universal I/O Power Header

Pin Defi nitions

Pins# Defi nition Pin # Defi nition
B1 +5V A1 +3.3V
B2 +5V A2 +3.3V
B3 +5V A3 +3.3V
B4 +5V A4 +3.3V
B5 +5V A5 +3.3V
B6 +5V A6 +3.3V
B7 +5V A7 +3.3V
B8 +5V A8 +3.3V
B9 +5V A9 +3.3V
B10 +5V A10 +3.3V
B11 -12V A11 +3.3V
Key Key
B12 +3.3VSb A12 +3.3V
B13 +3.3VSb A13 +12V
B14 GND A14 +12V
B15 GND A15 +12V
B16 GND A16 +12V
B17 GND A17 +12V
B18 GND A 18 GND

COM2

JTPM

USB4/5

JPG1

JL1

JI2C2

D20

JP8

USB6

SATA0~5

JI2C1

ICH10R

Intel

Winbond

BMC

JWF1

WOR1

COMS
Clear

T-SGPIO1

T-SGPIO2

A

LE11

LAN3

UID

UIOP

J1

JPL2

LAN2

P2-DIMM3C

P2-DIMM3B

FAN3

P2-DIMM2A

JPL1

LAN1

CPU1

X8DTU-LN4F+

Rev. 2.0

P2-DIMM2B

P2-DIMM2C

P2-DIMM1A

P2-DIMM1B

P2-DIMM1C

FAN8/CPU1

SXB2: PCI-E 2.0 x8+x4

JOH1

JF1

J2

SXB1: PCI-E 2.0 x16

J3

SXB3: PCI-E 2.0 x8

IPMB1

FAN4

FAN5

P2-DIMM3A

JIPMB2

JWD

Intel

IOH-36D

JBT1

BIOS

JTAG of CPLD

USB7

LE1

FAN6

FPCTRL

P1-DIMM1C

P1-DIMM1B

FAN2

PHY

P1-DIMM1A

P1-DIMM2C

CPU2

FAN7/CPU2

B

JPK1

JPI2C

USB0/1

IPMI_LAN

JD1

SP1

P1-DIMM2B

P1-DIMM2A

FAN1

VGA2

JBT1

P1-DIMM3C

P1-DIMM3B

JPW3

JPW2

KB/MS

USB2/3

P1-DIMM3A

JPW1

A. UIO PWR
B. NIC3/NIC4 LED
Header

3-30

Chapter 3: Installation

Unit Identifi cation Switch/LED

A Unit Identifi er switch (UID) and a rear UID
LED indicator (LE1 1) are located next to LAN
ports on the back of the chassis. When the
user pushes the rear UID switch, the rear
UID LED (LE11) will be turned on. Push the
UID switch again to turn off the LED indica­tor. The UID switch provides easy identifi ca-
tion of a system unit that may be in need of
service. See the tables on the right for more
information.

Power SMB (I2C) Connector

Power System Management Bus (I
nector (JPI

2

C) monitors power supply, fan

2

C) Con-

and system temperatures. See the table on
the right for pin defi nitions.

UID Switch (UID)

Pin Defi nitions

Pin# Defi nition
1 Ground
2 Ground
3 Button In
4 Ground

UID LED (LE11)

Status

Color/State OS Status
Blue: On Windows OS Unit Identifi ed
Blue:

Linux OS Unit Identifi ed

Blinking

PWR SMB

Pin Defi nitions

Pin# Defi nition
1 Clock
2 Data

COM2

JTPM

USB4/5

JPG1

JL1

JI2C2

JP8

USB6

JI2C1

D20

ICH10R

SATA0~5

Intel

Winbond

BMC

JWF1

WOR1

COMS

T-SGPIO1

T-SGPIO2

Clear

3 PWR Fail
4 Ground
5 +3.3V

A

B

LE11

LAN4

LAN2

LAN3

UID

UIOP

J1

JPL2

LAN2

X8DTU-LN4F+

Rev. 2.0

P2-DIMM3C

P2-DIMM3B

P2-DIMM2A

FAN3

JPL1

CPU1

P2-DIMM2B

P2-DIMM2C

SXB2: PCI-E 2.0 x8+x4

J2

SXB1: PCI-E 2.0 x16

J3

SXB3: PCI-E 2.0 x8

JWD

Intel

JBT1

BIOS

USB7

FAN6

JTAG of CPLD

LE1

FPCTRL

IOH-36D

JOH1

JF1

P2-DIMM3A

IPMB1

FAN4

FAN5

JIPMB2

LAN1

LAN1

P2-DIMM1A

P2-DIMM1B

FAN8/CPU1

P2-DIMM1C

VGA1

P1-DIMM1C

COM1

P1-DIMM1A

P1-DIMM1B

CPU2

FAN7/CPU2

FAN2

IPMI_LAN

PHY

SP1

P1-DIMM2B

P1-DIMM2C

C

JPI2C

FAN1

JPK1

USB0/1

JD1

P1-DIMM3C

P1-DIMM2A

USB2/3

VGA2

JBT1

P1-DIMM3B

JPW1

JPW3

JPW2

KB/MS

P1-DIMM3A

A. Rear UID Switch
B. Rear UID LED (LE11)
C. PWR SMB Connector

3-31

X8DTU-LN4F+ Motherboard User's Manual

Trusted Platform Module Header

A Trusted Platform Module (TPM)
header (JTPM) is located next to
the COM2 connection. This header
provides TPM support to ensure
data integrity and system security.
Refer to the table on the right for pin
defi nitions.

Wake-On-Ring

The Wake-On-Ring header is des­ignated JWOR. This function allows
your computer to waken up when it
receives an incoming call to the mo­dem while in suspend state. See the
table on the right for pin defi nitions.
You must have a Wake-On-Ring
card and cable to use this feature.

Trusted Platform Module (TPM) Header

Pin Defi nitions

Pin# Defi nition Pin # Defi nition
1 LPC Clock 2 GND
3 LPC FRAME# 4 Key
5 LPC Reset# 6 +5V (X)
7 LAD3 8 LAD2
9 +3.3V 10 LAD1
11 LAD0 12 GND
13 SCL 14 SDAT
15 +3V_DUAL 16 SERIRQ
17 GND 18 CLKRUN(X)

19 LPCPD# 20 LDRQ#(X)
Notes:
(X)=TPM does not use the signals.

2

SCL, SDAT are I

C bus clock and data.

Wake-On-Ring
Pin Defi nitions

(JWOR)

Pin# Defi nition
1 Ground
2 Wake-up

COM2

JTPM

USB4/5

JPG1

JL1

JI2C2

D20

JP8

USB6

SATA0~5

JI2C1

ICH10R

A

Intel

Winbond

B

BMC

JWF1

WOR1

COMS
Clear

T-SGPIO1

T-SGPIO2

VGA1

P1-DIMM1C

P1-DIMM1B

FAN2

COM1

PHY

P1-DIMM1A

P1-DIMM2C

CPU2

FAN7/CPU2

JPK1

USB0/1

IPMI_LAN

SP1

P1-DIMM2B

P1-DIMM2A

JPI2C

FAN1

JD1

P1-DIMM3C

JPW3

JPW2

KB/MS

USB2/3

VGA2

JBT1

P1-DIMM3B

P1-DIMM3A

JPW1

A. TPM Connector
B. Wake-On_Ring

LE11

LAN4

UID

UIOP

J1

JPL2

SXB2: PCI-E 2.0 x8+x4

LAN2

J2

SXB1: PCI-E 2.0 x16

J3

SXB3: PCI-E 2.0 x8

JWD

Intel

BIOS

JBT1

USB7

FAN6

JTAG of CPLD

LE1

FPCTRL

IOH-36D

JOH1

JF1

FAN4

FAN5

IPMB1

JIPMB2

P2-DIMM3A

P2-DIMM3B

P2-DIMM3C

P2-DIMM2A

FAN3

LAN1

LAN2

LAN3

JPL1

LAN1

CPU1

X8DTU-LN4F+

Rev. 2.0

P2-DIMM2B

P2-DIMM2C

P2-DIMM1A

P2-DIMM1B

P2-DIMM1C

FAN8/CPU1

3-32

3-7 Jumper Settings

Connector

Pins

Jumper

Cap

Setting

Chapter 3: Installation

Explanation of Jumpers

To modify the operation of the mother­board, jumpers can be used to choose
between optional settings. Jumpers cre­ate shorts between two pins to change
the function of the connector. Pin 1
is identifi ed with a square solder pad
on the printed circuit board. See the
motherboard layout pages for jumper
locations.

Note: On two pin jumpers,
"Closed" means the jumper
is on and "Open" means the
jumper i s of f the pin s.

GLAN Enable/Disable

JPL1/JPL2 enables or disables the
GLAN Port1/GLAN Port2 on the moth­erbo ard. See the t able on t he right f or
jumper s ettings. The d efault settin g is
Enabled.

LE11

LAN4

UID

UIOP

B

J1

JPL2

SXB2: PCI-E 2.0 x8+x4

LAN2

J2

SXB1: PCI-E 2.0 x16

LAN3

LAN2

A

JPL1

LAN1

LAN1

VGA1

FAN8/CPU1

COM1

USB0/1

IPMI_LAN

PHY

SP1

3 2 1

3 2 1

Pin 1-2 short

GLAN Enable

Jumper Settings

Jumper Setting Defi nition
1-2 Enabled (default)
2-3 Disabled

KB/MS

USB2/3

JD1

VGA2

JBT1

A. GLAN Port 1 Enable
B. GLAN Port 2 Enable

COM2

JTPM

USB4/5

JPG1

JL1

JI2C2

JP8

USB6

JI2C1

D20

ICH10R

SATA0~5

Intel

Winbond

BMC

JWF1

WOR1

COMS

T-SGPIO1

T-SGPIO2

Clear

P1-DIMM1C

P1-DIMM1B

P2-DIMM3C

P2-DIMM3B

FAN3

P2-DIMM2A

CPU1

X8DTU-LN4F+

Rev. 2.0

P2-DIMM2B

P2-DIMM2C

P2-DIMM1A

P2-DIMM1B

P2-DIMM1C

J3

SXB3: PCI-E 2.0 x8

JWD

Intel

JBT1

BIOS

USB7

FAN6

JTAG of CPLD

LE1

FPCTRL

IOH-36D

JOH1

JF1

P2-DIMM3A

IPMB1

FAN4

FAN5

JIPMB2

P1-DIMM1A

CPU2

FAN7/CPU2

FAN2

P1-DIMM2B

P1-DIMM2C

JPI2C

FAN1

JPK1

P1-DIMM3C

P1-DIMM2A

JPW3

JPW2

P1-DIMM3B

P1-DIMM3A

JPW1

3-33

X8DTU-LN4F+ Motherboard User's Manual

CMOS Clear

JBT1 is used to clear CMOS. Instead of pins, this "jumper" consists of contact
pads to prevent t he accident al clearin g of CMOS. To clear CMOS , use a metal
objec t such as a sma ll screwdr iver to touc h both pad s at the same t ime to shor t
the co nnec ti on. A lways rem ove the AC p ower c ord f rom t he syste m befo re cl ear­ing CMOS.

Note 1. For an ATX power supply, you must completely shut down the
system, remove the AC power cord and then short JBT1 to clear CMOS.

Note 2. Clearing CMOS will also clear any passwords.

Watch Dog Enable/Disable

Watch Dog (JWD) is a syste m monitor th at
can reb oot t he sys tem w hen a s of tware ap­plicat ion han gs. Clo se Pins 1-2 to res et the
system if an app lication ha ngs. Close Pins
2-3 to generate a non-maskable interrupt
signal for the application that hangs. See the
table on the right for jumper settings. Watch
Dog must also be enabled in the BIOS.

VGA1

P1-DIMM1C

P1-DIMM1B

COM1

PHY

P1-DIMM1A

P1-DIMM2C

USB0/1

IPMI_LAN

JD1

SP1

P1-DIMM2B

P1-DIMM2A

VGA2

JBT1

P1-DIMM3C

P1-DIMM3B

USB2/3

P1-DIMM3A

UID

UIOP

J1

JPL2

SXB2: PCI-E 2.0 x8+x4

J2

SXB1: PCI-E 2.0 x16

J3

SXB3: PCI-E 2.0 x8

LE11

LAN4

LAN2

LAN3

JPL1

CPU1

LAN2

LAN1

LAN1

FAN8/CPU1

KB/MS

Watch Dog

Jumper Settings

Jumper Setting Defi nition
Pins 1-2 Reset (default)
Pins 2-3 NMI
Open Disabled

A. Clear CMOS
B. Watch Dog Enable

COM2

JTPM

USB4/5

JPG1

JL1

JI2C2

D20

JP8

USB6

SATA0~5

JI2C1

ICH10R

Intel

Winbond

BMC

JWF1

WOR1

COMS
Clear

T-SGPIO1

T-SGPIO2

X8DTU-LN4F+

P2-DIMM3A

P2-DIMM3B

Rev. 2.0

P2-DIMM3C

P2-DIMM2A

FAN3

P2-DIMM2B

P2-DIMM2C

P2-DIMM1A

P2-DIMM1B

P2-DIMM1C

FAN2

CPU2

FAN7/CPU2

JPK1

JPI2C

JPW1

JPW3

FAN1

JPW2

B

JWD

A

Intel

IOH-36D

JBT1

BIOS

USB7

FAN6

JTAG of CPLD

FPCTRL

IPMB1

FAN4

FAN5

JIPMB2

JOH1

LE1

JF1

3-34

Chapter 3: Installation

I2C Bus to PCI-Exp. Slots

Jumpers JI

2

C1 and JI2C2 allow you to

connect the System Management Bus

2

(I

C) to PCI and PCI-Express slots.
These two jumpers are to be set at the
same time. The default setting is Open
to disable the connections. See the
table on the right for jumper settings.

VGA Enable

Jumper JPG1 allows the user to en­able the onboard VGA connectors.
The default setting is 1-2 to enable
the connection. See the table on the
right for jumper settings.

I2C for PCI/PCI-E slots

Jumper Settings

Jumper Setting Defi nition
Closed Enabled
Open Disabled (Default)

VGA Enable

Jumper Settings

Jumper Setting Defi nition
1-2 Enabled (Default)
2-3 Disabled

B

COM2

JTPM

USB4/5

JPG1

JL1

JI2C2

JP8

USB6

JI2C1

D20

C

ICH10R

SATA0~5

A

Intel

Winbond

BMC

JWF1

WOR1

COMS

T-SGPIO1

T-SGPIO2

Clear

2

A. JI

VGA1

P1-DIMM1C

P1-DIMM1B

FAN2

COM1

PHY

P1-DIMM1A

P1-DIMM2C

CPU2

FAN7/CPU2

JPK1

USB0/1

IPMI_LAN

SP1

P1-DIMM2B

P1-DIMM2A

JPI2C

FAN1

JD1

P1-DIMM3C

JPW3

JPW2

USB2/3

VGA2

JBT1

P1-DIMM3B

P1-DIMM3A

JPW1

KB/MS

LE11

LAN4

UID

UIOP

J1

JPL2

SXB2: PCI-E 2.0 x8+x4

LAN2

J2

SXB1: PCI-E 2.0 x16

J3

SXB3: PCI-E 2.0 x8

JWD

Intel

JBT1

BIOS

USB7

FAN6

JTAG of CPLD

LE1

FPCTRL

IOH-36D

JOH1

JF1

FAN4

FAN5

IPMB1

JIPMB2

P2-DIMM3A

P2-DIMM3B

P2-DIMM3C

P2-DIMM2A

FAN3

LAN1

LAN2

LAN3

JPL1

LAN1

CPU1

X8DTU-LN4F+

Rev. 2.0

P2-DIMM2B

P2-DIMM2C

P2-DIMM1A

P2-DIMM1B

P2-DIMM1C

FAN8/CPU1

C1

2

B. JI

C2

C. VGA Enable

3-35

X8DTU-LN4F+ Motherboard User's Manual

3-8 Onboard LED Indicators

GLAN LEDs

Four LAN ports (LAN 1/LAN 2/LAN3/LAN4)
are located on the I/O Backplane of the
motherboard. Each Ethernet LAN port has
two LEDs. The Green L ED indic ates acti v­ity, while the other Link LED m ay b e gr e e n,
amber or off to indicate the speed of the
connections. See the tables at right for
more information.

IPMI Dedicated LAN LEDs

In addition to LAN 1~LAN 4, an IPMI Dedi­cated LAN is also located on the I/O Back­plane. The amber LED on the right indicates
activity, while the green LED on the left
indic ates t he s pe ed of t he c o nne c ti on. S ee
the tab les at ri ght for mo re infor matio n.

Color/State Defi nition
Link (Left) Green: Solid 100 Mbps
Activity (Right) Amber: Blinking Active

Link LED

Activity LED

Rear View (when facing the

rear side of the chassis)

LAN 1/2 Activity LED (Right)

Color Status Defi nition
Green Flashing Active

LED Color Defi nition
Off No Connection or 10 Mbps
Green 100 Mbps
Amber 1 Gbps

IPMI LAN (F models only)

Link LED Activity LED

IPMI LAN Link LED (Left) &

LED State

LAN 1/2 Link LED (Left)

LED State

Activity LED (Right)

COM2

JTPM

USB4/5

JPG1

JL1

JI2C2

D20

JP8

USB6

SATA0~5

JI2C1

ICH10R

Intel

Winbond

BMC

JWF1

WOR1

COMS

Clear

T-SGPIO1

T-SGPIO2

A

B

LE11

LAN4

LAN2

LAN3

UID

UIOP

J1

JPL2

LAN2

P2-DIMM3C

P2-DIMM3B

FAN3

P2-DIMM2A

JPL1

CPU1

X8DTU-LN4F+

Rev. 2.0

P2-DIMM2B

P2-DIMM2C

SXB2: PCI-E 2.0 x8+x4

J2

SXB1: PCI-E 2.0 x16

J3

SXB3: PCI-E 2.0 x8

JWD

Intel

BIOS

JBT1

USB7

FAN6

JTAG of CPLD

LE1

FPCTRL

IOH-36D

JOH1

JF1

P2-DIMM3A

IPMB1

FAN4

FAN5

JIPMB2

LAN1

LAN1

P2-DIMM1A

P2-DIMM1B

FAN8/CPU1

P2-DIMM1C

VGA1

P1-DIMM1C

COM1

P1-DIMM1A

P1-DIMM1B

CPU2

FAN7/CPU2

FAN2

IPMI_LAN

PHY

SP1

P1-DIMM2B

P1-DIMM2C

JPI2C

FAN1

JPK1

USB0/1

JD1

C

P1-DIMM3C

P1-DIMM2A

JPW3

JPW2

KB/MS

USB2/3

VGA2

JBT1

P1-DIMM3B

P1-DIMM3A

JPW1

A. LAN1/2 LEDs
B. LAN3/4 LEDs
C. Dedicated LAN LEDs

3-36

Chapter 3: Installation

Onboard Power LED

An Onboard Power LED is located at LE1
on the motherboard. When this LED is lit,
the system is on. Be sure to turn off the
system and unplug the power cord before
removing or installing components. See
the tabl es at rig ht for mor e infor mation.

BMC Heartbeat LED

A BMC He ar tb eat LED is l oc ated at D20
on the motherboard. When D20 is blink­ing, BMC functions normally. See the
table at r ight for m ore info rmati on.

Onboard PWR LED

(LE1) State

State/Color Defi nition
Off System Off (PWR cable

not connected)

Green System Power On

BMC Heartbeat LED

(D20) State

State Defi nition
Blinking BMC: Normal

COM2

JTPM

USB4/5

JPG1

JL1

JI2C2

JP8

USB6

JI2C1

D20

ICH10R

SATA0~5

Intel

Winbond

B

BMC

JWF1

WOR1

COMS

T-SGPIO1

T-SGPIO2

Clear

VGA1

P1-DIMM1C

P1-DIMM1B

FAN2

COM1

PHY

P1-DIMM1A

P1-DIMM2C

CPU2

FAN7/CPU2

JPK1

USB0/1

IPMI_LAN

SP1

P1-DIMM2B

P1-DIMM2A

JPI2C

FAN1

JD1

P1-DIMM3C

JPW3

JPW2

USB2/3

VGA2

JBT1

P1-DIMM3B

P1-DIMM3A

JPW1

KB/MS

LE11

LAN4

UID

UIOP

J1

JPL2

SXB2: PCI-E 2.0 x8+x4

LAN2

J2

SXB1: PCI-E 2.0 x16

J3

SXB3: PCI-E 2.0 x8

JWD

Intel

JBT1

BIOS

USB7

FAN6

JTAG of CPLD

LE1

FPCTRL

IOH-36D

JOH1

A

JF1

FAN4

FAN5

IPMB1

JIPMB2

P2-DIMM3A

P2-DIMM3B

P2-DIMM3C

P2-DIMM2A

FAN3

LAN1

LAN2

LAN3

JPL1

LAN1

CPU1

X8DTU-LN4F+

Rev. 2.0

P2-DIMM2B

P2-DIMM2C

P2-DIMM1A

P2-DIMM1B

P2-DIMM1C

FAN8/CPU1

A. Onboard PWR LED
B. BMC Heartbeat LED

3-37

X8DTU-LN4F+ Motherboard User's Manual

Rear UID LED

The rear UID LED is located at LE11
on the backplane. This LED is used in
conjunction with the rear UID switch to
provide easy identifi cation of a system
that might be in need of service. Refer
to UID Switch on Page 3-31 for more
information.

UID LED (LE11)

Status

Color/State OS Status
Blue: On Windows OS Unit Identifi ed
Blue:

Linux OS Unit Identifi ed

Blinking

COM2

JTPM

USB4/5

JPG1

JL1

JI2C2

D20

JP8

USB6

SATA0~5

JI2C1

ICH10R

Intel

Winbond

BMC

JWF1

WOR1

COMS

Clear

T-SGPIO1

T-SGPIO2

A

LE11

LAN4

LAN2

LAN3

UID

UIOP

J1

JPL2

LAN2

P2-DIMM3C

P2-DIMM3B

FAN3

P2-DIMM2A

JPL1

CPU1

X8DTU-LN4F+

Rev. 2.0

P2-DIMM2B

P2-DIMM2C

SXB2: PCI-E 2.0 x8+x4

J2

SXB1: PCI-E 2.0 x16

J3

SXB3: PCI-E 2.0 x8

JWD

Intel

BIOS

JBT1

USB7

FAN6

JTAG of CPLD

LE1

FPCTRL

IOH-36D

JOH1

JF1

P2-DIMM3A

IPMB1

FAN4

FAN5

JIPMB2

LAN1

LAN1

P2-DIMM1A

P2-DIMM1B

FAN8/CPU1

P2-DIMM1C

VGA1

P1-DIMM1C

COM1

P1-DIMM1A

P1-DIMM1B

CPU2

FAN7/CPU2

FAN2

IPMI_LAN

PHY

SP1

P1-DIMM2B

P1-DIMM2C

JPI2C

FAN1

JPK1

USB0/1

JD1

P1-DIMM3C

P1-DIMM2A

JPW3

JPW2

KB/MS

USB2/3

VGA2

JBT1

P1-DIMM3B

P1-DIMM3A

JPW1

A. UID Rear LED

3-38

3-9 Serial ATA Connections

Chapter 3: Installation

Serial ATA Ports

There are six Serial ATA Ports (I­SATA0~I-SATA 5) located on the
motherboard. These ports, sup­ported by the Intel ICH10R South
Bridge, provide serial-link signal con­nections, which are faster than the
conn ection s of Pa r al l el ATA. Se e t h e
table o n the ri ght for p in defi nitions.

Note: For more information on SATA HostRAID confi guration, please refer
to the Intel SATA HostRAID User's Guide posted on our website @ http://
www.supermicro.com/support/manuals/.

Serial ATA

Pin Defi nitions

Pin# Defi nition
1 Ground
2 TX_P
3 TX_N
4 Ground
5 RX_N
6 RX_P
7 Ground

COM2

JTPM

USB4/5

JPG1

JL1

JP8

USB6

JI2C2

JI2C1

D20

SATA0~5

Intel

ICH10R

A

Winbond

BMC

JWF1

WOR1

COMS
Clear

T-SGPIO1

T-SGPIO2

VGA1

FAN8/CPU1

P1-DIMM1C

P1-DIMM1B

FAN2

COM1

PHY

P1-DIMM1A

P1-DIMM2C

CPU2

FAN7/CPU2

JPK1

USB0/1

IPMI_LAN

SP1

P1-DIMM2B

P1-DIMM2A

JPI2C

FAN1

JD1

P1-DIMM3C

JPW3

JPW2

USB2/3

VGA2

JBT1

P1-DIMM3B

P1-DIMM3A

JPW1

KB/MS

A. I-SATA0~5

LE11

LAN4

UID

UIOP

J1

JPL2

SXB2: PCI-E 2.0 x8+x4

LAN2

J2

SXB1: PCI-E 2.0 x16

J3

SXB3: PCI-E 2.0 x8

JWD

Intel

BIOS

JBT1

USB7

FAN6

JTAG of CPLD

LE1

FPCTRL

IOH-36D

JOH1

JF1

FAN5

P2-DIMM3C

P2-DIMM3A

P2-DIMM3B

IPMB1

FAN4

JIPMB2

LAN2

LAN3

JPL1

LAN1

CPU1

X8DTU-LN4F+

Rev. 2.0

P2-DIMM2B

P2-DIMM2C

P2-DIMM1A

P2-DIMM1B

P2-DIMM2A

FAN3

LAN1

P2-DIMM1C

3-39

X8DTU-LN4F+ Motherboard User's Manual

Notes

3-40

Chapter 4: Troubleshooting

Chapter 4

Troubleshooting

4-1 Troubleshooting Procedures

Use the following procedures to troubleshoot your system. If you have followed all
of the procedures below and still need assistance, refer to the ‘Technical Support
Procedures’ and/or ‘Returning Merchandise for Service’ section(s) in this chapter.
Note: Always disconnect the power cord before adding, changing or installing any
hardware components.

Before Power On

Make sure that there are no short circuits between the motherboard and 1.
chassis.

Disconnect all ribbon/wire cables from the motherboard, including those for 2.
the keyboard and mouse.

Remove all add-on cards.3.

Install CPU 1 fi rst (-making sure it is fully seated) and connect the front panel 4.
connector to the motherboard.

No Power

Make sure that no short circuits between the motherboard and the chassis.1.

Make sure that the ATX power connectors are properly connected2.

Check that the 115V/230V switch on the power supply is properly set, if avail-3.
able.

Turn the power switch on and off to test the system, if applicable.4.

The battery on your motherboard may be old. Check to verify that it still sup-5.
plies ~3VDC. If it does not, replace it with a new one.

4-1

X8DTU-LN4F+ Motherboard User's Manual

No Video

If the power is on but you have no video, remove all the add-on cards and 1.
cables.

Use the speaker to determine if any beep codes exist. Refer to the Appendix 2.
for details on beep codes.

System Boot Failure

If the system does not display POST or does not respond after the power is turned
on, check the following:

Check for any error beep from the motherboard speaker. 1.

If there is no error beep, try to turn on the system without DIMM modules. If there

•

is still no error beep, try to turn on the system again with only one processor in
CPU Socket#1. If there is still no error beep, replace the motherboard.

If there are error beeps, clear the CMOS settings by unplugging the power

•

cord and contracting both pads on the CMOS Clear Jumper (JBT1). (Refer to
Section 3-7 in Chapter 3.)

Remove all components from the motherboard, especially the DIMM mod-2.
ules. Make sure that the system's power is on and memory error beeps are
activated.

Turn on the system with only one DIMM module. If the system boots, check 3.
for bad DIMM modules or slots by following the Memory Errors Troubleshoot­ing procedure in this Chapter.

Losing the System’s Setup Confi guration

Make sure that you are using a high quality power supply. A poor quality 1.
power supply may cause the system to lose the CMOS setup information.
Refer to Section 2-6 for details on recommended power supplies.

The battery on your motherboard may be old. Check to verify that it still sup-2.
plies ~3VDC. If it does not, replace it with a new one.

If the above steps do not fi x the Setup Confi guration problem, contact your 3.
vendor for repairs.

4-2

Chapter 4: Troubleshooting

Memory Errors

When a No_Memory_Beep_Code is issued by the system, check the following:

Make sure that the memory modules are compatible and that the DIMM mod-1.
ules are properly and fully installed. (For memory compatibility, refer to the
Memory Compatibility Chart posted on our website @ http://www.supermicro.
com.)

Check if different speeds of DIMMs have been installed. It is strongly recom-2.
mended to use the same RAM speed for all DIMMs in the system.

Make sure you are using the correct type of DDR3 Registered ECC or Unbuf-3.
fered ECC/Non-ECC 1333 MHz/1066 MHz/800 MHz SDRAM (recommended
by the manufacturer).

Check for bad DIMM modules or slots by swapping a single module among 4.
all memory slots and check the results.

Make sure that all memory modules are fully seated in their slots. Follow the 5.
instructions given in Section 3-4 in Chapter 3.

Please follow the instructions given in the DIMM Population Tables listed on 6.
Page 3-8 to install your memory modules.

When the System Becomes Unstable

A. When the system becomes unstable during or after OS installation, check
the following:

OS Compatibility: Check if the OS is compatible with your system1.

CPU/BIOS support: Check if your CPU is supported and if you have the latest 1.
BIOS installed.

Memory support: Make sure that the memory modules are supported by test-2.
ing the modules using memtest86 or a similar utility.

Note: Refer to the product page on our website http:\\www.supermicro.
com for memory compatibility list.

HDD support: Check if all hard disk drives (HDDs) work properly. Replace the 3.
bad HDDs with good ones.

System cooling: Check system cooling to make sure that all heatsink fans, 4.
and CPU/system fans, etc., work properly. Check Hardware Monitoring set-

4-3

X8DTU-LN4F+ Motherboard User's Manual

tings in the BIOS to make sure that the CPU and System temperatures are
within normal range. Also check the front panel Overheat LED and make sure
that the Overheat LED is not on.

Adequate power supply: Make sure that the power supply provides adequate 5.
power to the system. Make sure that all power connectors are connected.
Please refer to our website for more information on minimum power require­ment.

Proper software support: Make sure that the correct drivers are used. 6.

B. When the system becomes unstable before or during OS installation, check
the following.

Source of installation: Make sure that the devices used for installation are 1.
working properly, including boot devices such as CD/DVD disc, CD/DVD­ROM.

Cable connection: Check to make sure that all cables are connected and 2.
working properly.

Using minimum confi guration for troubleshooting: Remove all unnecessary 3.
components, add-on cards fi rst, and use minimum confi guration (with a CPU
and a memory module installed) to identify the trouble areas. Refer to the
steps listed in Section A above for proper troubleshooting procedures.

Identifying bad components by isolating them: If necessary, remove a compo-4.
nent in question from the chassis, and test it in isolation to make sure that it
works properly. Replace a bad component with a good one.

Check and change one component at a time instead of changing several 5.
items at the same time. This will help isolate and identify problems.

To fi nd out if a component is good, swap this component with a new one to 6.
see if the system will work properly. If so, then the old component is bad.
You can also install the component in question in another system. If the new
system works, the component is good and the old system has problems.

4-2 Technical Support Procedures

Before contacting Technical Support, please take the following steps. Also, please
note that as a motherboard manufacturer, Supermicro does not sell directly to end­users, so it is best to fi rst check with your distributor or reseller for troubleshooting

4-4

Chapter 4: Troubleshooting

services. They should know of any possible problem(s) with the specifi c system
confi guration that was sold to you.

Please go through the ‘Troubleshooting Procedures’ and 'Frequently Asked 1.
Question' (FAQ) sections in this chapter or see the FAQs on our web site
(

http://www.supermicro.com/support/faqs/) before contacting Technical Sup-

port.

BIOS upgrades can be downloaded from our website 2.

com/support/bios/).

If you still cannot resolve the problem, include the following information when 3.
contacting Supermicro for technical support:

Motherboard model and PCB revision number

•

BIOS release date/version (This can be seen on the initial display when your •
system fi rst boots up.)

System confi guration

•

An example of a Technical Support form is on our web site at 4. (http://www.

supermicro.com/support/contact.cfm).

Distributors: For immediate assistance, please have your account number ready

•

when placing a call to our technical support department. We can be reached by
e-mail at [e-mail] or by fax at: [phone], option 2.

(http://www.supermicro.

4-3 Frequently Asked Questions

Que sti on: Wh at a re th e var iou s t ype s of m emo r y th at my mo th er boa rd c an
support?

Answer: The X8DTU-LN4F+ motherboard has 18 240-pin DIMM slots that support

Registered ECC or Unbuffered ECC/Non-ECC DDR3 1333 MHz/1066 MHz/800
MHz SDRAM modules. It is strongly recommended that you do not mix memory
modules of different speeds and sizes. Please follow all memory installation instruc­tions given on Section 3-3 in Chapter 3.

Que stio n: How do I u pda te my BI OS?

It is recommended that you do not upgrade your BIOS if you are not experienc­ing any problems with your system. Updated BIOS fi les are located on our web
site at
message and the information on how to update your BIOS on our web site. Select

http://www.supermicro.com/support/bios/. Please check our BIOS warning

4-5

X8DTU-LN4F+ Motherboard User's Manual

your motherboard model and download the BIOS fi le to your computer. Also, check
the current BIOS revision and make sure that it is newer than your BIOS before
downloading. You can choose from the zip fi le and the .exe fi le. If you choose the
zip BIOS fi le, please unzip the BIOS fi le onto a bootable USB device. Run the batch
fi le using the format AMI.bat fi lename.rom from your bootable USB device to fl ash
the BIOS. Then, your system will automatically reboot.

Warning: Do not shut down or reset the system while updating the BIOS
to prevent possible system boot failure!)

Note: The SPI BIOS chip used on this motherboard cannot be removed.

Send your motherboard back to our RMA Department at Supermicro for
repair. For BIOS Recovery instructions, please refer to the AMI BIOS
Recovery Instructions posted at http://www.supermicro.com/support/
manuals/.

Question: What 's on the CD that came with my motherboard?
Answer: The supplied compact disc has quite a few drivers and programs that will

greatl y enhanc e your sys tem. We rec omme nd that you r eview th e CD and in stall
the appl ic ati on s you ne ed. A pp lic at io ns on t he C D inc lu de c hip set dr ive rs f or t he
Window s OS, sec uri ty and a udio dr ivers.

Question: H ow do I ha ndl e the u sed ba tt er y?
Answer: Please handle used batteries carefully. Do not damage the battery in any

way; a damaged battery may release hazardous materials into the environment.
Do not discard a used battery in the garbage or a public landfi ll. Please comply
with the regulations set up by your local hazardous waste management agency to
dispose of your used battery properly.

4-4 Returning Merchandise for Service

A receipt or copy of your invoice marked with the date of purchase is required be­fore any warranty service will be rendered. You can obtain service by calling your
vendor for a Returned Merchandise Authorization (RMA) number. When returning to
the manufacturer, the RMA number should be prominently displayed on the outside
of the shipping carton, and mailed prepaid or hand-carried. Shipping and handling
charges will be applied for all orders that must be mailed when service is complete.
For faster service, You can also request a RMA authorization online (http://www.
supermicro.com/support/rma/).

This warranty only covers normal consumer use and does not cover damages in­curred in shipping or from failure due to the alternation, misuse, abuse or improper
maintenance of products.

During the warranty period, contact your distributor fi rst for any product problems.

4-6

Chapter 5: AMI BIOS

Chapter 5

BIOS

5-1 Introduction

This chapter describes the AMI BIOS Setup Utility for the X8DTU-LN4F+. The AMI
ROM BIOS is stored in a Flash EEPROM and can be easily updated. This chapter
describes the basic navigation of the AMI BIOS Setup Utility setup screens.

Starting BIOS Setup Utility

To enter the AMI BIOS Setup Utility screens, press the <Delete> key while the
system is booting up.

Note: In most cases, the <Delete> key is used to invoke the AMI BIOS
setup screen. There are a few cases when other keys are used, such as
<F1>, <F2>, etc.

Each main BIOS menu option is described in this manual. The Main BIOS setup
menu screen has two main frames. The left frame displays all the options that can
be confi gured. Grayed-out options cannot be confi gured. Options in blue can be
confi gured by the user. The right frame displays the key legend. Above the key
legend is an area reserved for a text message. When an option is selected in the
left frame, it is highlighted in white. Often a text message will accompany it. (Note:
the AMI BIOS has default text messages built in. Supermicro retains the option to
include, omit, or change any of these text messages.)

The AMI BIOS Setup Utility uses a key-based navigation system called "hot keys".
Most of the AMI BIOS setup utility "hot keys" can be used at any time during the
setup navigation process. These keys include <F1>, <F10>, <Enter>, <ESC>, ar­row keys, etc.

Note: Options printed in Bold are default settings.

How To Change the Confi guration Data

The confi guration data that determines the system parameters may be changed by
entering the AMI BIOS Setup utility. This Setup utility can be accessed by pressing
<Del> at the appropriate time during system boot.

Note: For AMI BIOS Recovery, please refer to the AMI BIOS Recovery
Instructions posted on our website at http://www.supermicro.com/support/
manuals/.

5-1

X8DTU-LN4F+ Motherboard User’s Manual

Starting the Setup Utility

Normally, the only visible Power-On Self-Test (POST) routine is the memory test.
As the memory is being tested, press the <Delete> key to enter the main menu of
the AMI BIOS Setup Utility. From the main menu, you can access the other setup
screens. An AMI BIOS identifi cation string is displayed at the left bottom corner of
the screen below the copyright message.

Warning! Do not upgrade the BIOS unless your system has a BIOS-related
issue. Flashing the wrong BIOS can cause irreparable damage to the
system. In no event shall Supermicro be liable for direct, indirect, special,
incidental, or consequential damages arising from a BIOS update. If you
have to update the BIOS, do not shut down or reset the system while the
BIOS is updating. This is to avoid possible boot failure.

5-2 Main Setup

When you fi rst enter the AMI BIOS Setup Utility , you will enter the Main setup screen.
You can always return to the Main setup screen by selecting the Main tab on the
top of the screen. The Main BIOS Setup screen is shown below.

5-2

Chapter 5: AMI BIOS

System Overview: The following BIOS information will be displayed:

System Time/System Date

Use this option to change the system time and date. Highlight System Time or Sys­tem Date using the arrow keys. Key in new values through the keyboard and press

<Enter>. Press the <Tab> key to move between fi elds. The date must be entered in
Day MM/DD/YY format. The time is entered in HH:MM:SS format. (Note: The time
is in the 24-hour format. For example, 5:30 P.M. appears as 17:30:00.)

AMI BIOS

Version

• : This item displays the BIOS revision used in your system.

Build Date

• : This item displays the date when this BIOS was complete.

Processor

The AMI BIOS will automatically display the status of the processor used in your
system:

CPU Type

• : This item displays the type of CPU used in the motherboard.

Speed

• : This item displays the speed of the CPU detected by the BIOS.

Physical Count

• : This item displays the number of processors installed in your

system as detected by the BIOS.

Logical Count

• : This item displays the number of CPU Cores installed in your

system as detected by the BIOS.

System Memory

This displays the size of memory available in the system.

5-3

X8DTU-LN4F+ Motherboard User’s Manual

5-3 Advanced Setup Confi gurations

Use the arrow keys to select Boot Setup and hit <Enter> to access the submenu
items:

Boot Features

Quick Boot

If enabled, this feature will skip certain tests during POST to reduce the time needed
for system boot. The options are Enabled and Disabled.

Quiet Boot

This option allows the bootup screen options to be modifi ed between POST mes-
sages or the OEM logo. Select Disabled to display the POST messages. Select
Enabled to display the OEM logo instead of the normal POST messages. The op­tions are Enabled and Disabled.

AddOn ROM Display Mode

This sets the display mode for Option ROM. The options are Force BIOS and
Keep Current.

Bootup Num-Lock

This feature selects the Power-on state for Numlock key. The options are Off
and On.

Wait For 'F1' If Error

This for ce s the sys tem to wai t until t he ' F1' key is pressed i f an er ror o cc urs . The
option s are Dis able d and Enabled.

5-4

Chapter 5: AMI BIOS

Hit 'Del' Message Display

This feature displays "Press DEL to run Setup" during POST. The options are

Enabled and Disabled.

Interrupt 19 Capture

Interrupt 19 is the software interrupt that handles the boot disk function. When this
item is set to Enabled, the ROM BIOS of the host adaptors will "capture" Interrupt
19 at boot and allow the drives that are attached to these host adaptors to function
as bootable disks. If this item is set to Disabled, the ROM BIOS of the host adap­tors will not capture Interrupt 19, and the drives attached to these adaptors will not
function as bootable devices. The options are Enabled and Disabled.

Watch Dog Function

If enable d, the Watch Dog Timer will a l low the system to r e boot when it i s i n a ctive
for more t han 5 minu tes. The o ption s are Enabl ed and Disabled.

Power Button Function

If set to Instant_Off, the system will power off immediately as soon as the user hits
the power button. If set to 4_Second_Override, the system will power off when the
user presses the power button for 4 seconds or longer. The options are Instant_Off
and 4_Second_Override.

Restore on AC Power Loss

Use this feature to set the power state after a power outage. Select Power-Off for
the system power to remain off after a power loss. Select Power-On for the system
power to be turned on after a power loss. Select Last State to allow the system to
resume its last state before a power loss. The options are Power-On, Power-Off
and Last State.

Processor and Clock Options

This submenu allows the user to confi gure the Processor and Clock settings.

CPU Ratio

Select Manual to manually confi gure the CPU Ratio. Select Auto to allow the BIOS
to automatically confi gure the CPU Ratio. The options are Auto and Manual.

Ratio CMOS Setting (Available when CPU Ratio is set to manual)

This option allows the user to set the ratio between the CPU Core Clock and the
FSB Frequency. (Note: if an invalid ratio is entered, the AMI BIOS will restore the
setting to the previous state.) The default setting depends on the type of CPU
installed on the motherboard.

5-5

X8DTU-LN4F+ Motherboard User’s Manual

Clock Spread Spectrum

Select Enable to use the feature of Clock Spectrum, which will allow the BIOS to
monitor and attempt to reduce the level of Electromagnetic Interference caused by
the components whenever needed. The options are Disabled and Enabled.

Hardware Prefetcher (Available when supported by the CPU)

If set to Enabled, the hardware pre fetcher will pre fetch streams of data and instruc­tions from the main memory to the L2 cache in the forward or backward manner to
improve CPU performance. The options are Disabled and Enabled.

Adjacent Cache Line Prefetch (Available when supported by the CPU)

The CPU fetches the cache line for 64 bytes if this option is set to Disabled. The
CPU fetches both cache lines for 128 bytes as comprised if Enabled.

MPS and ACPI MADT Ordering

This feature allows the user to confi gure the MPS (Multi-Processor Specifi ca-
tions) and ACPI settings for your motherboard. Select Modern Ordering if XP
or a newer version of Windows OS is used in the mother board. Select Legacy
Order i ng i f 2000 o r an e ar l ie r ver s io n is u se d. T he o pti o ns ar e Modern Ordering
and Legacy Ordering.

Machine Checking Feature (Available when supported by the CPU.)

Set to Enabled to use this function which will allow the CPU to detect and report
hardware (machine) errors via a set of model-specifi c registers (MSRs). The options
are Disabled and Enabled.

Intel® Virtualization Technology (Available when supported by the CPU)

Select Enabled to use the feature of Virtualization Technology to allow one platform
to run multiple operating systems and applications in independent partitions, creat­ing mult iple " vi r tu al" sy stems i n one p hysic al c o mput er. The opti ons ar e Enabled
and Dis abled. Not e: If there is any change to this setting, you will need to power
off an d restart the syst e m for the ch a nge to take effect. Please refer to Intel’s web
site for detailed information.

Execute-Disable Bit Capability (Available when supported by the OS and
the CPU)

Set to Enabled to enable the Execute Disable Bit which will allow the processor
to designate areas in the system memory where an application code can execute
and where it cannot, thus preventing a worm or a virus from fl ooding illegal codes
to overwhelm the processor or damage the system during an attack. The default is
Enabled. (Refer to Intel and Microsoft Web Sites for more information.)

5-6

Chapter 5: AMI BIOS

Simultaneous Multi-Threading (Available when supported by the CPU)

Set to Enabled to use the Simultaneous Multi-Threading Technology, which will
result in increased CPU performance. The options are Disabled and Enabled.

Active Processor Cores

Set to Enabled to use a processor's Second Core and beyond. (Please refer to
Intel's web site for more information.) The options are All, 1 and 2.

Intel® EIST Technology

EIST (Enhanced Intel SpeedStep Technology) allows the system to automatically
adjust processor voltage and core frequency in an effort to reduce power consump­tion and heat dissipation. Please refer to Intel’s web site for detailed information.
The options are Disable (Disable GV3) and Enable (Enable GV3).

Intel® TurboMode Tech (Available when Intel EIST Technology is enabled)

Select Enabled to use the TurboMode Technique to boost system performance. The
options are Enabled and Disabled.

C1E Support

Select Enabled to use the feature of Enhanced Halt State. C1E signifi cantly reduces
the CPU's power consumption by reducing the CPU's clock cycle and voltage during
a "Halt State". The options are Disabled and Enabled.

Intel® C-STATE Tech

If enabled, C-State is set by the system automatically to either C2, C3 or C4 state.
The options are Disabled and Enabled.

C-State package limit setting

If set to Auto, the AMI BIOS will automatically set the limit on the C-State package
register. The options are Auto, C1, C3, C6 and C7.

C1 Auto Demotion

When enabled, the CPU will conditionally demote C3, C6 or C7 requests to C1 based
on un-core auto-demote information. The options are Disabled and Enabled.

C3 Auto Demotion

When enabled, the CPU will conditionally demote C6 or C7 requests to C3 based
on un-core auto-demote information. The options are Disabled and Enabled.

ACPI T State

When this feature is enabled, CPU Throttling state will be reported in the ACPI
(Advanced Confi guration and Power Interface) protocol. The options are Disabled
and Enabled.

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X8DTU-LN4F+ Motherboard User’s Manual

Advanced Chipset Control

The items included in the Advanced Settings submenu are listed below:

CPU Bridge Confi guration

This feature allows the user to confi gure CPU Bridge settings. The items included
in the submenu are listed below.

CPU Revision: This item displays the CPU revision number.

•

Current QPI Frequency:• This item displays the current QPI frequency.

Current CPU 1 Memory Frequency:

• This item displays the current CPU 1

memory frequency.

Current CPU 2 Memory Frequency:

• This item displays the current CPU 2

memory frequency.

Memory Reference Code:

• This item displays the memory reference code for

the motherboard.

QPI Reference Code:

• This item displays the QPI reference code for the moth-

erboard.

QPI (Quick Path Interconnect) Links Speed

QuickPath Interconnect (QPI) is the connection between the CPU and the mother­board's I/O hub. Use this feature to modify data transfer speed for QPI Link con­nections. The options are Slow-Mode, and Full Speed.

QPI Frequency (Available if the item - QPI Link Speed is set to Full Speed)

This feature allows the user to select the desired QPI frequency. The options are

Auto, 4.800 GT, 5.866GT, 6.400 GT.

QPI L0s and L1

This feature allows the user to set the QPI power state to a low setting. L0s and
L1 are automatically selected by the motherboard. The options are Disabled and
Enabled.

Memory Frequency

This feature forces a DDR3 module to run at a frequency other than what the system
has detected. Select Force SPD (Serial Presence Detect) to force the module to run
at a frequency specifi ed on the SPD table. The available options are Auto, Force
DDR-800, Force DDR-1066, Force DDR-1333 and Force SPD.

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Chapter 5: AMI BIOS

Memory Mode

The options are Independent, Channel Mirror, and Lockstep.
Independent - All DIMMs are available to the operating system.
Channel Mirror - The motherboard maintains two identical copies of all data in

memory for redundancy.
Lockstep - The motherboard uses two areas of memory to run the same set of

operations in parallel.

Demand Scrubbing

This is a memory error-correction scheme where the Processor writes corrected
data back into the memory block from where it was read by the Processor. The
options are Enabled and Disabled.

Patrol Scrubbing

This is a memory error-correction scheme that works in the background looking for
and correcting resident errors. The options are Enabled and Disabled.

Channel Interleave

This feature allows the user to confi gure the Memory Interleave setting for an on-
board memory channel. The options are 1-way, 2-way, 3-way, 4-way, and 6-way.

Bank Interleave

This feature allows the user to confi gure the Memory Interleave setting for an on-
board memory bank. The options are 1-way, 2-way, and 4-way.

Throttling - Closed Loop

Throttling improves reliability and reduces power in the processor by automatic
voltage control during processor idle states. Available options are Disabled and
Enabled.

North Bridge Confi guration

This feature allows the user to confi gure the settings for the Intel North Bridge chip.

The items included in the submenu are listed below.

North Bridge Revision:• This item displays the CPU revision number.

Current QPI Frequency:

• This item displays the current QPI frequency.

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Intel I/OAT

The Intel I/OAT (I/O Acceleration Technology) signifi cantly reduces CPU overhead
by leveraging CPU architectural improvements, freeing resources for more other
tasks. The options are Disabled and Enabled.

DCA Technology (Available when Intel I/OAT is enabled)

Select Enabled to use Intel's DCA (Direct Cache Access) Technology to enhance
data transfer effi ciency. The options are Enabled and Disabled.

DCA Prefetch Delay

A DCA Prefetch is used with TOE components to prefetch data in order to shorten
execution cycles and maximize data processing effi ciency . Prefetching too frequently
can saturate the cache directory and delay necessary cache accesses. This feature
reduces or increases the frequency the system prefetches data. The options are [8],
[16], [24], [32], [40], [48], [56], [64], [72], [80], [88], [96], [104], [112], [120].

Intel VT-d

Select Enabled to enable Intel's Virtualization Technology support for Direct I/O VT-d
by reporting the I/O device assignments to VMM through the DMAR ACPI Tables.
This feature offers fully-protected I/O resource-sharing across the Intel platforms,
providing the user with greater reliability, security and availability in networking and
data-sharing. The options are Enabled and Disabled.

Active State Power Management

Select Enabled to use the power management for signal transactions between the
PCI Express L0 and L1 Links. Select Enabled to confi gure PCI-Exp. L0 and L1 Link
power states. The options are Disabled and Enabled.

IOH PCI-E Max Payload Size

Some add-on cards perform faster with the coalesce feature, which limits the
payload size to 128B; while others, with a payload size of 256B which inhibits the
coalesce feature. Please refer to your add-on card user guide for the desired setting.
The options are 256B and 128B.

ME-HECI Support

Select Enabled to enable ME-HECI (Host Embedded Controller Interface) support,
which will allow the Host OS to communicate directly with the Management Engine
(ME) in a standard method for system management, effectively replacing the SMbus.
The options are Enabled and Disabled.

South Bridge Confi guration

This feature allows the user to confi gure the settings for the South Bridge chip.

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Chapter 5: AMI BIOS

USB Functions

This feature allows the user to decide the number of onboard USB ports to be en­abled. The Options are: Disabled, 2 USB ports, 4 USB ports, 6 USB ports, 8 Ports,
10 Ports and 12 USB ports.

USB 2.0 Controller (Available when the item: USB Functions is disabled)

This item indicates if the onboard USB 2.0 controller is activated. The default set­ting is Enabled.

Legacy USB Support

Select Enabled to use Legacy USB devices. If this item is set to Auto, Legacy USB
support will be automatically enabled if a legacy USB device is installed on the
motherboard, and vise versa. The settings are Disabled, Enabled and Auto.

Port60h/64h Emulation

Select Enabled to enable 60h/64h emulation for complete USB keyboard support
for operating systems that are not compatible with USB devices. The options are
Enabled and Disabled.

IDE/SATA Confi guration

When this submenu is selected, the AMI BIOS automatically detects the presence
of the IDE and SATA devices and displays the following items:

SATA#1 Confi guration

If Compatible is selected, it sets SATA#1 to legacy compatibility mode, while se­lecting Enhanced sets SATA#1 to native SATA mode. The options are Disabled,
Compatible and Enhanced.

Confi gure SATA#1 as (Not available when SATA#1 Confi guration is
disabled)

This feature allows the user to select the drive type for SATA#1. The options are
IDE, RAID and AHCI. (When the option-RAID is selected, the item-ICH RAID
Code Base will appear. When the option-AHCI is selected, the item-ICH AHCI
Codebase will be available.)

ICH RAID Code Base (Available when the option-RAID is selected.)

Select Intel to enable Intel's SATA RAID fi rmware to confi gure Intel's SATA
RAID settings. Select Adaptec to enable Adaptec's SATA RAID fi rmware
to confi gure Adaptec's SATA RAID settings. The options are Intel and
Adaptec.

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ICH AHCI Codebase (Available when the option-AHCI is selected.)

Use this feature to select the AHCI Codebase for the ICH South Bridge. The
options are BIOS Native Module and Intel AHCI ROM.

SATA#2 Confi guration (Available when the option-IDE is selected.)

Selecting Enhanced will set SATA#2 to native SATA mode. The options are
Disabled, and Enhanced.

IDE Detect Timeout (sec)

Use this feature to set the time-out value for the BIOS to detect the ATA, ATAPI
devices installed in the system. The options are 0 (sec), 5, 10, 15, 20, 25, 30, and

35.

Primary IDE Master/Slave, Secondary IDE Master/Slave, Third IDE Master,
and Fourth IDE Master

These settings allow the user to set the parameters the slots indicated above.
Press <Enter> to activate the following submenu screen for detailed options of
these items. Set the correct confi gurations accordingly. The items included in the
submenu are listed below.

Type

Select the type of device connected to the system. The options are Not Installed,

Auto, CD/DVD and ARMD.

LBA/Large Mode

LBA (Logical Block Addressing) is a method of addressing data on a disk drive.
In the LBA mode, the maximum drive capacity is 137 GB. For drive capacities
over 137 GB, your system must be equipped with a 48-bit LBA mode addressing.
If not, contact your manufacturer or install an ATA/133 IDE controller card that
supports 48-bit LBA mode. The options are Disabled and Auto.

Block (Multi-Sector Transfer)

Block Mode boosts the IDE drive performance by increasing the amount of data
transferred. Only 512 bytes of data can be transferred per interrupt if Block Mode
is not used. Block Mode allows transfers of up to 64 KB per interrupt. Select
Disabled to allow data to be transferred from and to the device one sector at
a time. Select Auto to allow data transfer from and to the device occur multiple
sectors at a time if the device supports it. The options are Auto and Disabled.

PIO Mode

The IDE PIO (Programmable I/O) Mode programs timing cycles between the
IDE drive and the programmable IDE controller. As the PIO mode increases, the
cycle time decreases. The options are Auto, 0, 1, 2, 3, and 4.

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Chapter 5: AMI BIOS

Select Auto to allow the AMI BIOS to automatically detect the PIO mode. Use
this value if the IDE disk drive support cannot be determined.

Select 0 to allow the AMI BIOS to use PIO mode 0. It has a data transfer rate
of 3.3 MB/s.

Select 1 to allow the AMI BIOS to use PIO mode 1. It has a data transfer rate
of 5.2 MB/s.

Select 2 to allow the AMI BIOS to use PIO mode 2. It has a data transfer rate
of 8.3 MB/s.

Select 3 to allow the AMI BIOS to use PIO mode 3. It has a data transfer rate
of 11.1 MB/s.

Select 4 to allow the AMI BIOS to use PIO mode 4. It has a data transfer band­width of 32-Bits. Select Enabled to enable 32-Bit data transfer.

Select UDMA5 to allow the BIOS to use Ultra DMA mode 5. It has a data transfer
rate of 133 MB/s.

Select UDMA6 to allow the BIOS to use Ultra DMA mode 6. It has a data transfer
rate of 133 MB/s. The options are Auto, SWDMAn, MWDMAn, and UDMAn.

DMA Mode

Select Auto to allow the BIOS to automatically detect IDE DMA mode when the
IDE disk drive support cannot be determined.

Select SWDMA0 to allow the BIOS to use Single Word DMA mode 0. It has a
data transfer rate of 2.1 MB/s.

Select SWDMA1 to allow the BIOS to use Single Word DMA mode 1. It has a
data transfer rate of 4.2 MB/s.

Select SWDMA2 to allow the BIOS to use Single Word DMA mode 2. It has a
data transfer rate of 8.3 MB/s.

Select MWDMA0 to allow the BIOS to use Multi Word DMA mode 0. It has a
data transfer rate of 4.2 MB/s.

Select MWDMA1 to allow the BIOS to use Multi Word DMA mode 1. It has a
data transfer rate of 13.3 MB/s.

Select MWDMA2 to allow the BIOS to use Multi-Word DMA mode 2. It has a
data transfer rate of 16.6 MB/s.

Select UDMA0 to allow the BIOS to use Ultra DMA mode 0. It has a data transfer
rate of 16.6 MB/s. It has the same transfer rate as PIO mode 4 and Multi Word
DMA mode 2.

Select UDMA1 to allow the BIOS to use Ultra DMA mode 1. It has a data transfer
rate of 25 MB/s.

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X8DTU-LN4F+ Motherboard User’s Manual

Select UDMA2 to allow the BIOS to use Ultra DMA mode 2. It has a data transfer
rate of 33.3 MB/s.

Select UDMA3 to allow the BIOS to use Ultra DMA mode 3. It has a data transfer
rate of 44.4 MB/s.

Select UDMA4 to allow the BIOS to use Ultra DMA mode 4. It has a data transfer
rate of 66.6 MB/s.

S.M.A.R.T. For Hard disk drives

Self-Monitoring Analysis and Reporting Technology (SMART) can help predict
impending drive failures. Select Auto to allow the AMI BIOS to automatically de­tect hard disk drive support. Select Disabled to prevent the AMI BIOS from using
the S.M.A.R.T. Select Enabled to allow the AMI BIOS to use the S.M.A.R.T. to
support hard drive disk. The options are Disabled, Enabled, and Auto.

32Bit Data Transfer

Select Enable to enable the function of 32-bit IDE data transfer. The options are
Enabled and Disabled.

PCI/PnP Confi guration

Clear NVRAM

This feature clears the NVRAM (Non-Volatile Random Access Memory) during
system boot. The options are No and Yes.

Plug & Play OS

Selecting Yes allows the OS to confi gure Plug & Play devices. (This is not required
for system boot if Plug & Play is supported by your OS.) Select No to allow the AMI
BIOS to confi gure all devices in the system.

PCI Latency Timer

This feature sets the latency Timer of each PCI device installed on a PCI bus. Select
64 to set the PCI latency to 64 PCI clock cycles. The options are 32, 64, 96, 128,
160, 192, 224 and 248.

PCI Cache Line Size

This feature sets the cache line size of each PCI device installed on a PCI bus.
The options are 16, 32, 64, and 128 (MB).

PCI IDE BusMaster

When enabled, the BIOS uses PCI bus mastering for reading/writing to IDE drives.
The options are Disabled and Enabled.

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Chapter 5: AMI BIOS

SXB1 PCI-E 2.0 x16/x8 Option ROM/SXB3 PCI-E 2.0 x8 Option ROM/SXB2
PCI-E 2.0 x8/x4 Option ROM/SXB2 PCI-E 2.0 x4 Option ROM

Selec t Enabled t o enable P CI- E slot s indic ated above. It c an also e nable O ption
ROMs spec ifi ed to boot computer using a network interface from these slots. The
options are Enabled and Disabled.

Onboard LAN Option ROM Select

Selec t iSCSI to use i SCSI Opt ion ROMs to b oot the co mputing usi ng a networ k
device. Select iSCSI to use PXE Option ROMs to boot the computing using a
netwo rk devi ce. The o ptio ns are iSC SI and PXE.

Load Onboard LAN1~LAN4 Option ROM

Selec t Enab le d to en abl e th e onb oar d L A N1, LA N2 , L A N 3 or LAN 4 Opt io n RO M.
This is to boot computer using a network interface. The options are Enabled and

Disabled.

Boot Graphics Adapter Priority

This feature allows the user to specify which graphics controller to be used as
the pri mar y bo ot grap hic s cont rol ler. The options are Onboard VGA, SXB1 PCIe

2.0 x16, and O f fbo ard VGA .

Super IO Device Confi guration

Serial Port1 Address/ Serial Port2 Address

This option specifi es the base I/O port address and the Interrupt Request address
of Serial Port 1 and Serial Port 2. Select Disabled to prevent the serial port from
accessing any system resources. When this option is set to Disabled, the serial port
physically becomes unavailable. Select 3F8/IRQ4 to allow the serial port to use 3F8
as its I/O port address and IRQ 4 for the interrupt address. The options for Serial
Port1 are Disabled, 3F8/IRQ4, 3E8/IRQ4, 2E8/IRQ3, and 2F8/IRQ3. The options for
Serial Port2 are Disabled, 2F8/IRQ3, 3E8/IRQ4, 3F8/IRQ4, and 2E8/IRQ3.

Serial Port 2 Attribute

This feature allows the user to set COM 2 as a normal serial port or a virtual COM
por t used f or SOL (Ser ial O ver L AN). The options are SOL and COM.

Remote Access Confi guration

Remote Access

This allows the user to enable the Remote Access feature. The options are Disabled
and Enabled. If Remote Access is set to Enabled, the following items will display:

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Serial Port Number

This feature allows the user decide which serial port to be used for Console Redi­rection. The options are COM 1 and COM 2.

Base Address, IRQ

This item displays the based address and IRQ of the serial port specifi ed
above.

Serial Port Mode

This feature allows the user to set the serial port mode for Console Redirection.
The options are 115200 8, n 1; 57600 8, n, 1; 38400 8, n, 1; 19200 8, n, 1; and
9600 8, n, 1.

Flow Control

This feature allows the user to set the fl ow control for Console Redirection. The
options are None, Hardware, and Software.

Redirection After BIOS POST

Selec t Disabl e d t o t u rn off Consol e Redirection after Power-On Self-Test (POST).
Selec t Always to kee p Cons ole Re direc tio n acti ve all the t ime af ter P OST. (Note:
This setting may not be supported by some operating systems.) Select Boot Loader
to keep Con sole Redirec tion active du ring POST and B oot Loader. The option s
are Disa bled, B oot Loade r, and Always.

Terminal Type

This feature allows the user to select the target terminal type for Console Redirec­tion. The options are ANSI, VT100, and VT-UTF8.

VT-UTF8 Combo Key Support

A terminal keyboard defi nition that provides a way to send commands from a remote
console. Available options are Enabled and Disabled.

Sredir Memory Display Delay

This feature defi nes the length of time in seconds to display memory information.
The options are No Delay, Delay 1 Sec, Delay 2 Sec, and Delay 4 Sec.

Hardware Health Monitor

This feature allows the user to monitor system health and review the status of each
item as displayed.

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Chapter 5: AMI BIOS

CPU Overheat Alarm

This option allows the user to select the CPU Overheat Alarm setting which de­termines when the CPU OH alarm will be activated to provide warning of possible
CPU overheat.

Warning! 1.Any temperature that exceeds the CPU threshold tempera­ture predefi ned by the CPU manufacturer may result in CPU overheat or
system instability. When the CPU temperature reaches this predefi ned
threshold, the CPU and system cooling fans will run at full speed. 2. To
avoid possible system overheating, please be sure to provide adequate
airfl ow to your system.

The options are:

The Early Alarm: Select this setting if you want the CPU overheat alarm (includ-

•

ing the LED and the buzzer) to be triggered as soon as the CPU temperature
reaches the CPU overheat threshold as predefi ned by the CPU manufacturer.

The Default Alarm

• : Select this setting if you want the CPU overheat alarm

(including the LED and the buzzer) to be triggered when the CPU temperature
reaches about 5
manufacturer to give the CPU and system fans additional time needed for CPU
and system cooling. In both the alarms above, please take immediate action
as shown below.

CPU 1 Temperature/CPU 2 Temperature/System Temperature

This feature displays current temperature readings for the CPU and the System.
The following items will be displayed for your reference only:

CPU1 Temperature/CPU2 Temperature

The CPU thermal technology that reports absolute temperatures (Celsius/Fahr­enheit) has been upgraded to a more advanced feature by Intel in its newer
processors. The basic concept is each CPU is embedded by unique temperature
information that the motherboard can read. This ‘Temperature Threshold’ or ‘Tem­perature Tolerance’ has been assigned at the factory and is the baseline on which
the motherboard takes action during different CPU temperature conditions (i.e., by
increasing CPU Fan speed, triggering the Overheat Alarm, etc). Since CPUs can
have different ‘Temperature Tolerances’, the installed CPU can now send informa­tion to the motherboard what its ‘Temperature Tolerance’ is, and not the other way
around. This results in better CPU thermal management.

o

C above the threshold temperature as predefi ned by the CPU

Supermicro has leveraged this feature by assigning a temperature status to certain
thermal conditions in the processor (Low, Medium and High). This makes it easier
for the user to understand the CPU’s temperature status, rather than by just simply

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X8DTU-LN4F+ Motherboard User’s Manual

seeing a temperature reading (i.e., 25oC). The CPU Temperature feature will display
the CPU temperature status as detected by the BIOS:

Low – This level is considered as the ‘normal’ operating state. The CPU temperature
is well below the CPU ‘Temperature Tolerance’. The motherboard fans and CPU will
run normally as confi gured in the BIOS (Fan Speed Control).

User intervention: No action required.
Medium – The processor is running warmer. This is a ‘precautionary’ level and

generally means that there may be factors contributing to this condition, but the CPU
is still within its normal operating state and below the CPU ‘Temperature Tolerance’.
The motherboard fans and CPU will run normally as confi gured in the BIOS. The
fans may adjust to a faster speed depending on the Fan Speed Control settings.

User intervention: No action is required. However, consider checking the CPU fans
and the chassis ventilation for blockage.

High – The processor is running hot. This is a ‘caution’ level since the CPU’s ‘Tem­perature Tolerance’ has been reached (or has been exceeded) and may activate
an overheat alarm.

User intervention: If the system buzzer and Overheat LED has activated, take action
immediately by checking the system fans, chassis ventilation and room temperature
to correct any problems.

Notes: 1. The system may shut down if it continues for a long period to
prevent damage to the CPU.

2. The information provided above is for your reference only. For more
information on thermal management, please refer to Intel’s Web site at
www.Intel.com.

System Temperature: The system te mperat ure will b e displayed ( in degre es in
Celsiu s and Fahrenh eit) as it is detec ted by the BI OS.

Fan 1 ~ Fan 8 Reading

This feature displays the fan speed readings from fan interfaces Fan 1 through
Fan 8.

Fan Speed Control Modes

This feature allows the user to decide how the system controls the speeds of the
onboard fans. The CPU temperature and the fan speed are correlative. When the
CPU on-die temperature increases, the fan speed will also increase for effective
system cooling. Select "Full Speed/FS" to allow the onboard fans to run at full
speed for maximum cooling. The FS setting is recommended for special system
confi guration or debugging. Select "Performance/PF" for better system cooling. The
PF setting is recommended for high-power-consuming and high-density systems.

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Chapter 5: AMI BIOS

Select "Balanced/BL" for the onboard fans to run at a speed that will balance the
needs between system cooling and power saving. The BL setting is recommended
for regular systems with normal hardware confi gurations. Select "Energy Saving/ES"
for best power effi ciency and maximum quietness. The Options are: Full Speed/FS,
Performance/PF, Balanced/BL, and Energy Saving/ES.

Voltage Monitoring

CPU1 Vcore, CPU2 Vcore, CPU1 DIMM, CPU2 DIMM, 1.1V, 3.3V, 1.5V, 5V, 12V,

3.3VSB, 5VSB, and Vbat.

ACPI Confi guration

Use this feature to confi gure Advanced Confi guration and Power Interface (ACPI)
power management settings for your system.

ACPI Aware O/S

Select Yes to enable ACPI support for an operating system that supports ACPI.
Select No to disable ACPI support for an OS that does not support ACPI. The op­tions are Yes and No.

ACPI Version Features (Available ACPI Aware O/S='Yes')

The options are ACPI v1.0, ACPI v2.0 and ACPI v3.0. Please refer to ACPI's website
for further explanation: http://www.acpi.info/

ACPI APIC Support (Available ACPI Aware O/S='Yes')

Select Enabled to include the ACPI APIC Table Pointer in the RSDT (Root System
Description Table) pointer list. The options are Enabled and Disabled.

APIC ACPI SCI IRQ

When this item is set to Enabled, APIC ACPI SCI IRQ is supported by the system.
The options are Enabled and Disabled.

Headless Mode (Available ACPI Aware O/S='Yes')

This feature is used to enable system to function without a keyboard, monitor or
mouse attached The options are Enabled and Disabled.

High Performance Event Timer

Select Enabled to activate the High Performance Event Timer (HPET) that produces
periodic interrupts at a much higher frequency than a Real-time Clock (RTC) does in
synchronizing multimedia streams, providing smooth playback and reducing the de­pendency on other timestamp calculation devices, such as an x86 RDTSC Instruc­tion embedded in the CPU. The High Performance Event Timer is used to replace
the 8254 Programmable Interval Timer. The options are Enabled and Disabled.

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X8DTU-LN4F+ Motherboard User’s Manual

NUMA Support

Select Enabled to use the feature of Non-Uniform Memory Access to improve CPU
performance. The options are Disabled, Enabled and NUMA for SLES 11.

WHEA Support

Select Enabled to enable Windows Hardware Error Architecture (WHEA) support
which will provide a common infrastructure for the system to handle hardware
error s on W indow s plat for ms in o rde r to redu ce syste m cra shes d ue to har dware
erro rs and to enhanc e system recover y and health m onitoring. T he default set­ting is Enabled.

Trusted Computing

TCG/TPM Support

Select Yes on this item and enable the TPM jumper on the motherboard to enable
TCG (TPM 1.1/1.2)/TPM support to improve data integrity and network security.
The options are No and Yes. If this feature is set to Yes, the following items will

display.

Indicate Physical (Available when TCG/TPM Support = 'Yes')

Select Yes for the BIOS to detect the presence of TPM devices at system boot.
Select No to hide the presence of TPM devices at system boot. The options
are Yes and No.

TPM Deactivated (Available when TCG/TPM Support = 'Yes')

Select Set to disable TPM support at bootup. Select Clear to activate the TPM
devices to at bootup. Select Don't Change to keep the current TPM support
status. The options are Set, Clear, and Don't Change.

TPM Owner (Available when TCG/TPM Support = 'Yes')

This feature allows the user to confi gure TPM Owner settings. The options are

Don't Change, Enable Install, Disable Install, and Clear.

Execute TPM Command (Available when TCG/TPM Support = 'Yes')

Select Enabled to execute TPM commands you've selected. Select Don't Change
to keep the current TPM commands without making any changes. Select Dis­abled to abandon the changes you have made on TPM commands. The options
are Enabled, Disabled and Don't Change.

TPM Enable/Disable Status

This item displays the status of TPM Support to indicate if TPM is currently
enabled or disabled.

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Chapter 5: AMI BIOS

TPM Owner Status

This item displays the status of TPM Ownership.

IPMI Confi guration

Intelligent Platform Management Interface (IPMI) is a set of common interfaces that
IT administrators can use to monitor system health and to manage the system as a
whole. For more information on the IPMI specifi cations, please visit Intel's website
at www.intel.com.

IPMI Firmware Version

This item displays the current IPMI Firmware Version.

Status of BMC

The Baseboard Management Controller (BMC) manages the interface between
system management software and platform hardware. This item displays the status
of the current BMC controller.

View BMC System Event Log

This feat ur e d i sp l ays t h e BMC Syste m Event L o g (SE L). It shows the total number
of entries of BMC System Events. To view an event, select an Entry Number and
pressing <Enter> to display the information as shown in the screen.

Total Number of Entries

•

SEL Entry Number•

SEL Record ID•

SEL Record Type•

Event Timestamp•

Generator ID•

Event Message Format Ver.•

Event Sensor Type•

Event Sensor Number,•

Event Dir Type•

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X8DTU-LN4F+ Motherboard User’s Manual

Event Data.•

Clear BMC System Event Log

Clear BMC System Log now

Select OK and press the <Enter> key to clear the BMC system log immediately.
Select Cancel to keep the BMC System log. The options are OK and Cancel.

Caution: Any cleared information is unrecoverable. Make absolutely sure
that you no longer need any data stored in the log before clearing the
BMC Event Log.

Set LAN Confi guration

Set this feature to confi gure the IPMI LAN adapter with a network address as shown
in the following graphics.

Channel Number - This feature displays the channel number.
Channel Number Status - This feature returns the channel status for the

Channel Number selected above: "Channel Number is OK" or "Wrong Channel
Number".

IP Address Source

This features allows the user to select how an IP address is assigned to a cli­ent computer or network device. Select DHCP (Dynamic Host Confi guration
Protocol) to allow a client (computer or device) obtains an IP address from a
DHCP server that manages a pool of IP addresses and network information on
a "request and grant" basis. Upon time-out (or lease expiration), the IP address
assigned to the client can be reassigned to a new client. Select Static (Static
Allocation) to allow the host server to allocate an IP address based on a table
containing MAC Address/IP Address pairs that are manually entered (probably
by a network administrator). Only clients with a MAC address listed in the MAC/
IP Address Table will be assigned an IP address. The IP Address allocated to
the client is on a longer term basis than that assigned by the DHCP mentioned
in the other option. The options are DHCP and Static.

IP Address (When IP Address Source is set to 'Static')

The BIOS will automatically enter the IP address of this machine; however it
may be overwritten. The value of each three-digit number separated by dots
should not exceed 255.

Subnet Mask (When IP Address Source is set to 'Static')

This item displays the current subnet mask setting for your IPMI connection. The
value of each three-digit number separated by dots should not exceed 255.

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Chapter 5: AMI BIOS

Gateway Address (When IP Address Source is set to 'Static')

The BIOS will automatically enter the Gateway address of this machine; however
it may be overwritten. The value of each three-digit number separated by dots
should not exceed 255.

Mac Address (When IP Address Source is set to 'Static')

The BIOS will automatically enter the Mac address of this machine; however it
may be over-ridden. Mac addresses are 6 two-digit hexadecimal numbers (Base
16, 0 ~ 9, A, B, C, D, E, F) separated by dots. (i.e., 00.30.48.D0.D4.60).

BMC Watch Dog Timer Action

Allows the BMC to reset or power down the system if the operating system hangs
or crashes. The options are Disabled, Reset System, Power Down, Power Cycle.
If the option is set to Reset System, Power Down, or Power Cycle, the following
item will display.

BMC Watch Dog TimeOut [Min:Sec]

This option appears if BMC Watch Dog Timer Action (above) is enabled. This
is a timed delay in minutes or seconds, before a system power down or reset
after an operating system failure is detected. The options are [5 Min], [1 Min],
[30 Sec], and [10 Sec].

DMI Event Log Confi guration

View Event Log

Use this option to view the System Event Log.

Mark All Events as Read
This option marks all events as read. The options are OK and Cancel.

Clear Event Log

This option clears the Event Log memory of all messages. The options are OK
and Cancel.

PCIE Event Log

Select Yes to activate and display the PCI-Express slot event log. The options are
Yes and No.

Memory ECC Error Log

Select Yes to activate and display ECC Memory Error event log. The options are
Yes and No.

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X8DTU-LN4F+ Motherboard User’s Manual

5-4 Security Settings

The AMI BIOS provides a Supervisor and a User password. If you use both pass­words, the Supervisor password must be set fi rst.

Supervisor Password

This item indicates if a Supervisor password has been entered for the system. "Not
Installed" means a Supervisor password has not been used.

User Password

This item indicates if a user password has been entered for the system. "Not I n­stalle d" means that a u ser password has not been used.

Change Supervisor Password

Select this feature and press <Enter> to access the submenu, and then type in a
new Supervisor Password.

User Access Level (Available when Supervisor Password is set as above)
Available options are Full Access: grants full User read and write access to the

Setup Utility, View Only: allows access to the Setup Utility but the fi elds cannot be
changed, Limited: allows only limited fi elds to be changed such as Date and Time,
No Access: prevents User access to the Setup Utility.

Change User Password

Select this feature and press <Enter> to access the submenu , and then type in a
new User Password.

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Chapter 5: AMI BIOS

Clear User Password (Available only when User Password has been set)
This item allows you to clear a user password after it has been entered.

Password Check

Select Setup for the system to check for a password at Setup. Select Always for the
system to check for a password at bootup. The options are Setup and Always.

Boot Sector Virus Protection

When Enabled, the AMI BIOS displays a warning when any program (or virus) is­sues a Disk Format command or attempts to write to the boot sector of the hard
disk drive. The options are Enabled and Disabled.

5-5 Boot Confi guration

Use this feature to confi gure boot settings.

Boot Device Priority

This feature allows the user to specify the sequence of priority for the Boot Device.
The settings are 1st boot device, 2nd boot device, 3rd boot device, 4th boot device,
5th boot device and Disabled.

1st Boot Device - [RAID: XXXXXXXXX]

•

Hard Disk Drive, CD/DVD-ROM Drive, Removable Drive

This feature allows the user to specify the boot sequence from all available hard
disk drives. The settings are Disabled and a list of all hard disk drives that have
been detected (i.e., 1st Drive, 2nd Drive, 3rd Drive, etc).

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X8DTU-LN4F+ Motherboard User’s Manual

1st Drive - [RAID: XXXXXXXXX]•

Retry Boot Devices

Select Enabled to enable Retry Boot Devices support to allow the system to attempt
to boot from a specifi c boot device after a boot failure. The options are Enabled
and Disabled.

5-6 Exit Options

Select the Exit tab from the AMI BIOS Setup Utility screen to enter the Exit BIOS
Setup screen.

Save Changes and Exit

When you have completed the system confi guration changes, select this option
to leave the BIOS Setup Utility and reboot the computer, so the new system con­fi guration parameters can take effect. Select Save Changes and Exit from the Exit
menu and press <Enter>.

Discard Changes and Exit

Select this option to quit the BIOS Setup without making any permanent changes
to the system confi guration, and reboot the computer. Select Discard Changes and
Exit from the Exit menu and press <Enter>.

Discard Changes

Select this option and press <Enter> to discard all the changes and return to the
AMI BIOS Utility Program.

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Chapter 5: AMI BIOS

Load Optimal Defaults

To set this feature, select Load Optimal Defaults from the Exit menu and press
<Enter>. Then, select OK to allow the AMI BIOS to automatically load Optimal De­faults to the BIOS Settings. The Optimal settings are designed for maximum system
performance, but may not work best for all computer applications.

Load Fail-Safe Defaults

To set this feature, select Load Fail-Safe Defaults from the Exit menu and press
<Enter>. The Fail-Safe settings are designed for maximum system stability, but not
for maximum performance.

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X8DTU-LN4F+ Motherboard User’s Manual

Notes

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