ASUS Z8PH-D12 SE QDR, Z8PH-D12IFB, Z8NH-D12 User Manual

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Z8NH-D12 Series

Z8NH-D12 Z8PH-D12/IFB

Z8PH-D12 SE/QDR

Motherboard

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E5743

First Edition V1 March 2010

No part of this manual, including the products and software described in it, may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language in any form or by any means, except documentation kept by the purchaser for backup purposes, without the express written permission of ASUSTeK COMPUTER INC. (“ASUS”).

Product warranty or service will not be extended if: (1) the product is repaired, modified or altered, unless such repair, modification of alteration is authorized in writing by ASUS; or (2) the serial number of the product is defaced or missing.

ASUS PROVIDES THIS MANUAL “AS IS” WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OR CONDITIONS OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL ASUS, ITS DIRECTORS, OFFICERS, EMPLOYEES OR AGENTS BE LIABLE FOR AN Y INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES (INCLUDING DAMAGES FOR LOSS OF PROFITS, LOSS OF BUSINESS, LOSS OF USE OR DATA, INTERRUPTION OF BUSINESS AND THE LIKE), EVEN IF ASUS HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES ARISING FROM ANY DEFECT OR ERROR IN THIS MANUAL OR PRODUCT.

SPECI FI CATI ONS A ND INFO RMATIO N CONTAI NED IN THIS MA NU AL A RE FURNIS HED FOR INFORMATIONAL USE ONLY, AND ARE SUBJECT TO CHANGE AT ANY TIME WITHOUT NOTICE, AND SHOULD NOT BE CONSTRUED AS A COMMITMENT BY ASUS. ASUS ASSUMES NO RESPONSIBILITY OR LIABILI TY FOR ANY ERROR S OR IN ACCURACI ES THAT M AY AP PEA R IN TH IS MANUAL, INCLUDING THE PRODUCTS AND SOFTWARE DESCRIBED IN IT.

Products and corporate names appearing in this manual may or may not be registered trademarks or copyrights of their respective companies, and are used only for identification or explanation and to the owners’ benefit, without intent to infringe.

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Contents

Notices ........................................................................................................ vii

Safety information .................................................................................... viii

About this guide ......................................................................................... ix

Typography .................................................................................................. x

Z8NH-D12 Series specications summary ............................................... xi

Chapter 1: Product introduction

1.1 Welcome! ...................................................................................... 1-3

1.2 Package contents ......................................................................... 1-3

1.3 Serial number label ...................................................................... 1-4

1.4 Special features ............................................................................ 1-4

1.4.1 Product highlights ........................................................... 1-4

1.4.2 Innovative ASUS features ............................................... 1-6

Chapter 2: Hardware information

2.1 Before you proceed ..................................................................... 2-3

2.2 Motherboard overview ................................................................. 2-5

2.2.1 Placement direction ........................................................ 2-5

2.2.2 Screw holes .................................................................... 2-5

2.2.4 Motherboard layouts ....................................................... 2-6

2.2.5 Layout contents ............................................................... 2-9

2.3 Central Processing Unit (CPU) ................................................. 2-11

2.3.1 Installing the CPU ..........................................................2-11

2.3.2 Installing the CPU heatsink and fan .............................. 2-14

2.4 System memory ......................................................................... 2-16

2.4.1 Overview ....................................................................... 2-16

2.4.2 Memory Configurations ................................................. 2-17

2.4.3 Installing a DIMM .......................................................... 2-18

2.4.4 Removing a DIMM ........................................................ 2-18

2.5 Expansion slots .......................................................................... 2-19

2.5.1 Installing an expansion card ......................................... 2-19

2.5.2 Configuring an expansion card ..................................... 2-19

2.5.3 Interrupt assignments ................................................... 2-20

2.5.4 PCI Express x16 slot (x16 link) ..................................... 2-21

2.5.5 Installing ASMB4 management board ........................... 2-21

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Contents

2.6 Jumpers ...................................................................................... 2-22

2.7 Connectors ................................................................................. 2-28

2.7.1 Rear panel connectors .................................................. 2-28

2.7.2 Internal connectors ....................................................... 2-30

Chapter 3: Powering up

3.1 Starting up for the rst time ........................................................ 3-3

3.2 Powering off the computer .......................................................... 3-4

3.2.1 Using the OS shut down function .................................... 3-4

3.2.2 Using the dual function power switch .............................. 3-4

Chapter 4: BIOS setup

4.1 Managing and updating your BIOS ............................................ 4-3

4.1.1 AFUDOS utility ................................................................ 4-3

4.1.2 ASUS CrashFree BIOS 3 utility ...................................... 4-6

4.2 BIOS setup program .................................................................... 4-7

4.2.1 BIOS menu screen .......................................................... 4-8

4.2.2 Menu bar ......................................................................... 4-8

4.2.3 Navigation keys ............................................................... 4-8

4.2.4 Menu items ..................................................................... 4-9

4.2.5 Sub-menu items .............................................................. 4-9

4.2.6 Configuration fields ......................................................... 4-9

4.2.7 Pop-up window ............................................................... 4-9

4.2.8 Scroll bar ......................................................................... 4-9

4.2.9 General help ................................................................... 4-9

4.3 Main menu .................................................................................. 4-10

4.3.1 System Time [xx:xx:xx] ................................................. 4-10

4.3.2 System Date [Day xx/xx/xxxx] ....................................... 4-10

4.3.3 SATA1—4 ...................................................................... 4-10

4.3.4 IDE Configuration .......................................................... 4-12

4.3.5 AHCI Configuration ....................................................... 4-13

4.3.6 System Information ....................................................... 4-14

4.4 Advanced menu ......................................................................... 4-16

4.4.1 CPU Configuration ........................................................ 4-16

4.4.2 Chipset Configuration ................................................... 4-20

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Contents

4.4.3 Legacy Device Configuration ........................................ 4-24

4.4.4 USB Configuration ........................................................ 4-25

4.4.5 PCIPnP Configuration ................................................... 4-26

4.4.6 Power On Configuration ................................................ 4-27

4.4.7 Event Log Configuration ............................................... 4-28

4.4.8 Hardware Monitor ......................................................... 4-28

4.4.9 I/O Virtualization ............................................................ 4-30

4.4.10 PCI Express Configuration ............................................ 4-30

4.4.11 ACPI Configuration ....................................................... 4-31

4.5 Server menu ............................................................................... 4-33

4.5.1 Remote Access Configuration ....................................... 4-33

4.6 Boot menu .................................................................................. 4-35

4.6.1 Boot Device Priority ...................................................... 4-35

4.6.2 Hard Disk Drives; CDROM Drives ................................ 4-35

4.6.3 Boot Settings Configuration .......................................... 4-36

4.6.4 Security ......................................................................... 4-37

4.7 Exit menu .................................................................................... 4-39

Exit & Save Changes .................................................................. 4-39

Exit & Discard Changes ............................................................... 4-39

Discard Changes .......................................................................... 4-39

Load Setup Defaults .................................................................... 4-39

Chapter 5: RAID conguration

5.1 Setting up RAID ............................................................................ 5-3

5.1.1 RAID definitions .............................................................. 5-3

5.1.2 Installing hard disk drives ................................................ 5-4

5.1.3 Setting the RAID item in BIOS ........................................ 5-4

5.1.4 RAID configuration utilities .............................................. 5-4

5.2 LSI Software RAID Conguration Utility .................................... 5-5

5.2.1 Creating a RAID set ........................................................ 5-6

5.2.2 Adding or viewing a RAID configuration ....................... 5-12

5.2.3 Initializing the virtual drives ........................................... 5-13

5.2.4 Rebuilding failed drives ................................................. 5-17

5.2.5 Checking the drives for data consistency ..................... 5-19

5.2.6 Deleting a RAID configuration ....................................... 5-22

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Contents

5.2.7 Selecting the boot drive from a RAID set ...................... 5-23

5.2.8 Enabling WriteCache .................................................... 5-24

5.3 Intel® Matrix Storage Manager Option ROM Utility ................. 5-25

5.3.1 Creating a RAID set ...................................................... 5-26

5.3.2 Creating a Recovery set ............................................... 5-27

5.3.3 Deleting a RAID set ...................................................... 5-29

5.3.4 Resetting disks to Non-RAID ........................................ 5-30

5.3.5 Recovery Volume Options ............................................ 5-31

5.3.6 Exiting the Intel® Matrix Storage Manager .................... 5-32

5.3.7 Rebuilding the RAID ..................................................... 5-32

5.3.8 Setting the Boot array in the BIOS Setup Utility ............ 5-34

Driver installation

6.1 RAID driver installation ............................................................... 6-3

6.1.1 Creating a RAID driver disk ............................................ 6-3

6.1.2 Windows® OS .................................................................. 6-6

6.1.3 Red Hat® Enterprise Linux OS ........................................ 6-9

6.1.4 SUSE Linux Enterprise Server OS ............................... 6-17

6.2 Intel chipset device software installation ................................ 6-19

6.3 LAN driver installation ............................................................... 6-23

6.4 Display driver installation ......................................................... 6-27

6.5 Mellanox ConnectX DDR and ConnectX2 QDR PCI Gen2

Channel Adapter driver installation.......................................... 6-30

6.5.1 Windows operating system ........................................... 6-30

6.5.2

6.6 Management applications and utilities installation ................ 6-37

6.6.1 Running the support DVD ............................................. 6-37

6.6.2 Drivers menu ................................................................. 6-37

6.6.3 Utilities menu ................................................................ 6-38

6.6.4 Make disk menu ............................................................ 6-38

6.6.5 Contact information ....................................................... 6-38

Red Hat® Enterprise Linux OS .............................6-34

Reference information

A.1 Z8NH-D12 block diagram .............................................................A-3

A.2 Z8PH-D12/IFB block diagram ......................................................A-4

A.3 Z8PH-D12 SE/QDR block diagram ..............................................A-5

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Notices

Federal Communications Commission Statement

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:

•

This device may not cause harmful interference, and

•

This device must accept any interference received including interference that may cause undesired operation.

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with manufacturer’ s instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

•

Reorient or relocate the receiving antenna.

•

Increase the separation between the equipment and receiver.

•

Connect the equipment to an outlet on a circuit different from that to which the receiver is connected.

•

Consult the dealer or an experienced radio/TV technician for help.

The use of shielded cables for connection of the monitor to the graphics card is required to assure compliance with FCC regulations. Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user’s authority to operate this equipment.

Canadian Department of Communications Statement

This digital apparatus does not exceed the Class B limits for radio noise emissions from digital apparatus set out in the Radio Interference Regulations of the Canadian Department of Communications.

This class B digital apparatus complies with Canadian ICES-003.

REACH

Complying with the REACH (Registration, Evaluation, Authorization, and Restriction of Chemicals) regulatory framework, we published the chemical substances in our products at ASUS REACH website at http://green.asus.com/english/REACH.htm.

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Safety information

Electrical safety

• To prevent electrical shock hazard, disconnect the power cable from the electrical outlet before relocating the system.

• When adding or removing devices to or from the system, ensure that the power cables for the devices are unplugged before the signal cables are connected. If possible, disconnect all power cables from the existing system before you add a device.

• Before connecting or removing signal cables from the motherboard, ensure that all power cables are unplugged.

• Seek professional assistance before using an adapter or extension cord. These devices could interrupt the grounding circuit.

• Make sure that your power supply is set to the correct voltage in your area. If you are not sure about the voltage of the electrical outlet you are using, contact your local power company.

• If the power supply is broken, do not try to fix it by yourself. Contact a qualified service technician or your retailer.

Operation safety

• Before installing the motherboard and adding devices on it, carefully read all the manuals that came with the package.

• Before using the product, make sure all cables are correctly connected and the power cables are not damaged. If you detect any damage, contact your dealer immediately.

• To avoid short circuits, keep paper clips, screws, and staples away from connectors, slots, sockets and circuitry.

• Avoid dust, humidity, and temperature extremes. Do not place the product in any area where it may become wet.

• Place the product on a stable surface.

• If you encounter technical problems with the product, contact a qualified service technician or your retailer.

This symbol of the crossed out wheeled bin indicates that the product (electrical, electronic equipment, and mercury-containing button cell battery) should not be placed in municipal waste. Check local regulations for disposal of electronic products.

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About this guide

This user guide contains the information you need when installing and configuring the motherboard.

How this guide is organized

This user guide contains the following parts:

• Chapter 1: Product introduction

This chapter describes the features of the motherboard and the new technologies it supports.

• Chapter 2: Hardware information

This chapter lists the hardware setup procedures that you have to perform when installing system components. It includes description of the switches, jumpers, and connectors on the motherboard.

• Chapter 3: Powering up

This chapter describes the power up sequence and ways of shutting down the system.

• Chapter 4: BIOS setup

This chapter tells how to change system settings through the BIOS Setup menus. Detailed descriptions of the BIOS parameters are also provided.

• Chapter 5: RAID conguration

This chapter provides instructions for setting up, creating, and configuring

RAID sets using the available utilities.

• Chapter 6: Driver installation

This chapter provides instructions for installing the necessary drivers for different system components.

• Appendix: Reference information

This appendix includes additional information that you may refer to when configuring the motherboard.

Where to nd more information

Refer to the following sources for additional information and for product and software updates.

1. ASUS websites

The ASUS website provides updated information on ASUS hardware and software products. Refer to the ASUS contact information.

2. Optional documentation

Your product package may include optional documentation, such as warranty flyers, that may have been added by your dealer. These documents are not part of the standard package.

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Conventions used in this guide

To make sure that you perform certain tasks properly, take note of the following symbols used throughout this manual.

DANGER/WARNING:

when trying to complete a task.

CAUTION:

when trying to complete a task.

IMPORTANT:

task.

NOTE:

task.

Information to prevent damage to the components

Instructions that you MUST follow to complete a

Tips and additional information to help you complete a

Information to prevent injury to yourself

Typography

Bold text

Italics

<Key> Keys enclosed in the less-than and greater than sign means that you must press the enclosed key.

Example: <Enter> means that you must press the Enter or Return key.

<Key1+Key2+Key3> If you must press two or more keys simultaneously, the key names are linked with a plus sign (+).

Example: <Ctrl+Alt+D>

Command

exactly as shown, then supply the required item or value enclosed in brackets.

Example: At the DOS prompt, type the command line:

Indicates a menu or an item to select.

Used to emphasize a word or a phrase.

Means that you must type the command

format A:/S

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Z8NH-D12 Series specications summary

Model Name Z8NH-D12 Z8PH-D12/IFB Z8PH-D12

Processor Support / System Bus

Core Logic

Form Factor ASUS Features Fan Speed

Memory Total Slots

Expansion Slots (follow SSI Loacation #)

Storage SATA Controller

Control Rack Ready

(Rack and Pedestal dual use)

ASWM

Capacity

Memory Type

Memory Size

Total PCI/PCI-X/ PCI-E Slots

Slot Loacation 6

2 * socket 1366 Six/Quad-Core Intel® Xeon® X5600 Series

(130W/95W) Six/Quad-Core Intel® Xeon® L5600 Series (60W/40W) Quad-Core Intel® Xeon® E5600 Series (80W) Quad-Core Intel® Xeon® X5500 Series (95W) Quad-Core Intel® Xeon® E5500 Series (80W) Quad-Core Intel® Xeon® L5500 Series (60W/38W)

QPI 4.8 / 5.86 / 6.4 GT/s Intel® 5500

chipset IOH Intel® ICH10R I/O Controller

6.3” x 16.7” V V V

V V V

V V V 12 (3-channel per CPU, 6 DIMM per CPU) Maximum up to 96GB (RDIMM)

Maximum up to 48GB (UDIMM) DDR3 800/1066/1333 Reg DIMM/ Unbuffered

DIMM with ECC 1GB, 2GB, 4GB, 8GB* (RDIMM)

1GB, 2GB, 4GB (UDIMM) 1 1 1

1 * PCI-E x16 (Gen2 x16 Link) Intel® ICH10R:

4 SATA2 300MB/s ports Intel Matrix Storage (for Windows only) (Support software RAID 0, 1, 10 & 5) LSI® MegaRAID (for Linux/Windows) (Support software RAID 0, 1, 10)

Intel® 5520 chipset IOH

Mellanox ConnectX MT25408 DDR 20Gbps controller

SE/QDR

Intel® 5520 chipset IOH

Mellanox ConnectX-2 MT25418 B0 QDR 40Gbps controller

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Z8NH-D12 Series specications summary

Networking LAN

Graphic VGA Onboard I/O

Connectors

Rear I/O Connectors External Serial

Management Solution Software

Monitoring CPU

Environment

PSU Connector

USB Connectors Fan Header SMBus Front LAN LED

Port External USB

Port VGA Port RJ-45

Out of Band Remote Management

Temperature FAN RPM

2 * Intel 82574L + 1 * Management LAN

1 * Single Port DDR Infiniband 20Gbps with CX4 interface

Aspeed AST2050 8MB 2 * 20-pin 12V power connector

1 * 4-pin Molex connector for hard disk drive 2 (One for internal Type A USB connector ) 4 * 4pin (4pin FAN Only) 2 2 2 2 2 2 1 1 1

2 2 2

1 1 1 2 + 1 Management Port ASWM Optional ASMB4-iKVM for KVM-over-IP support

V V V

Operation temperature: 10℃—35℃ Non operation temperature: -40℃—70℃

Non operation humidity: 20%—90% ( Non condensing)

1 * Single Port QDR Infiniband 40Gbps with QSFP interface

Specications are subject to change without notice.

• The 20-pin proprietory power connectors are not compatible with SSI power supply. USE THE PROPRIETARY POWER SUPPLY ONLY; otherwise you may damage the motherboard.

• The 4-pin Molex connector is designed for hard disk drive only. DO NOT connect other 4-pin power connectors of the power supply unit (PSU) to this connector.

DO NOT touch the Northbridge chipset! The Northbridge chipset may become overheated. Remember to provide sufficient air flow to keep the system stable.

xii

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This chapter describes the motherboard features and the new technologies it supports.

Product

introduction

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Chapter summary

1.1 Welcome! ...................................................................................... 1-3

1.2 Package contents ......................................................................... 1-3

1.3 Serial number label ...................................................................... 1-4

1.4 Special features ............................................................................ 1-4

ASUS Z8NH-D12 Series

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1.1 Welcome!

Thank you for buying an ASUS® Z8NH-D12 Series motherboard!

The motherboard delivers a host of new features and latest technologies, making it another standout in the long line of ASUS quality motherboards!

Before you start installing the motherboard, and hardware devices on it, check the items in your package with the list below.

1.2 Package contents

Check your motherboard package for the following items.

Standard Bulk Pack

Z8NH-D12 Series

Application CD Support CD

Documentation User Guide

Packing Qty.

If any of the above items is damaged or missing, contact your retailer.

10pcs per carton

ASUS Z8NH-D12 Series 1-3

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1-4 Chapter 1: Product introduction

1.3 Serial number label

Before requesting support from the ASUS Technical Support team, you must take note of the motherboard's serial number containing 13 characters shown as the figure below. With the correct serial number of the product, ASUS Technical Support team members can then offer a quicker and satisfying solution to your problems.

xxS2xxxxxxxxx

Z8NH-D12

xxS2xxxxxxxxx

Made

China

合格

1.4 Special features

1.4.1 Product highlights

Latest processor technology

This motherboard supports the latest Intel Xeon 5500 series processors in LGA 1366 package with integrated memory controller to support 3-channel (6 DIMM per CPU) DDR3 memory. Intel Xeon 5500 series processor supports Intel QuickPath Interconnect (QPI) with a system bus of up to 6.4GT/s and a max bandwidth of up to 25.6GB/s. Intel Xeon 5500 series processor is the one of the most powerful and energy-efficient CPUs in the world.

Intel Turbo Boost

Intel Turbo Boost dynamically reroute power to improve performance. The processor will automatically overclock as long as the CPU temperature is allowed.

Intel Hyper Threading

The thread-level parallelism on each processor makes more efficient use of the processor resources, higher processing throughout and improved performance on today's multi-threaded software.

Intel® EM64T

The motherboard supports Intel® processors with the Intel® EM64T (Extended Memory 64 Technology). The Intel® EM64T feature allows your computer to run on 64-bit operating systems and access larger amounts of system memory for faster and more efficient computing.

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ASUS Z8NH-D12 Series 1-5

DDR3 memory support

The Z8NH-D12 Series supports UDIMM and RDIMM DDR3 memory that features data transfer rates of 1333/1066 MHZ to meet the higher bandwidth requirements of server and workstation applications. The 3-channel DDR3 architecture boosts system performance, eliminating bottlenecks with peak bandwidth of up to 17GB/s. Furthermore, the supply voltage for the memory is reduced form 1.8 V for DDR2 to just 1.5V for DDR3. This voltage reduction limits the power consumption and heat generation of DDR3 which makes it an ideal memory solution.

PCIe 2.0

This motherboard supports the latest PCIe 2.0 device for twice the current speed and bandwidth. This enhances system performance while still providing backward compatibility to PCIe 1.0 devices.

82574L LAN Solution

The motherboard comes with dual Gigabit LAN controllers and ports which provide a total solution for your networking needs. The onboard Intel 82574L Gigabit LAN controllers use the PCI Express interface and could achieve network throughput close to Gigabit bandwidth.

Enhanced Intel SpeedStep Technology (EIST)

The Enhanced Intel SpeedStep Technology (EIST) intelligently manages the CPU resources by automatically adjusting the CPU voltage and core frequency depending on the CPU loading and system speed or power requirement.

Serial ATA II technology

The motherboard supports the Serial ATA II 3 Gb/s technology through the Serial ATA interface and Intel ICH10R chipset. The Serial ATA II specification provides twice the bandwidth of the current Serial ATA products with a host of new features, including Native Command Queuing (NCQ), Power Management (PM) Implementation Algorithm, and Hot Swap. Serial ATA allows thinner, more flexible cables with lower pin count and reduced voltage requirements.

USB 2.0 technology

The motherboard implements the Universal Serial Bus (USB) 2.0 specification, dramatically increasing the connection speed from the 12 Mbps bandwidth on USB

1.1 to a fast 480 Mbps on USB 2.0. USB 2.0 is backward compatible with USB 1.1.

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Temperature, fan, and voltage monitoring

The CPU temperature is monitored to prevent overheating and damage. The system fan rotations per minute (RPM) is monitored for timely failure detection. The chip monitors the voltage levels to ensure stable supply of current for critical components.

100% Japan-made Conductive Polymer Capacitors

This motherboard uses all high-quality conductive polymer capacitors for durability, improved lifespan, and enhanced thermal capacity.

1.4.2 Innovative ASUS features

ASUS EPU

With current trends leaning towards power efficiency, the Z8NH-D12 Series is equipped with the ASUS exclusive EPU technology to provide total system power saving by detecting current CPU loadings and intelligently moderating power in real-time.

1-6 Chapter 1: Product introduction

Page 19

This chapter lists the hardware setup procedures that you have to perform when installing system components. It includes description of the jumpers and connectors on the motherboard.

Hardware

information

Page 20

Chapter summary

2.1 Before you proceed ..................................................................... 2-3

2.2 Motherboard overview ................................................................. 2-5

2.3 Central Processing Unit (CPU) ................................................. 2-11

2.4 System memory ......................................................................... 2-16

2.5 Expansion slots .......................................................................... 2-19

2.6 Jumpers ...................................................................................... 2-22

2.7 Connectors ................................................................................. 2-28

ASUS Z8NH-D12 Series

Page 21

2.1 Before you proceed

Take note of the following precautions before you install motherboard components or change any motherboard settings.

• Unplug the power cord from the wall socket before touching any component.

• Use a grounded wrist strap or touch a safely grounded object or a metal object, such as the power supply case, before handling components to avoid damaging them due to static electricity.

• Hold components by the edges to avoid touching the ICs on them.

• Whenever you uninstall any component, place it on a grounded antistatic pad or in the bag that came with the component.

• Before you install or remove any component, ensure that the power supply is switched off or the power cord is detached from the power supply. Failure to do so may cause severe damage to the motherboard, peripherals, and/or components.

Onboard LED

1. Standby Power LED

The motherboard comes with a standby power LED. The green LED lights up

to indicate that the system is ON, in sleep mode, or in soft-off mode. This is a reminder that you should shut down the system and unplug the power cable before removing or plugging in any motherboard component. The illustration below shows the location of the onboard LED.

ASUS Z8NH-D12 Series 2-3

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2-4 Chapter 2: Hardware information

2. CPU warning LED (ERR_CPU1, ERR_CPU2)

The CPU warning LEDs light up to indicate that an impending failure of the

corresponding CPU.

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ASUS Z8NH-D12 Series 2-5

2.2 Motherboard overview

Before you install the motherboard, study the configuration of your chassis to ensure that the motherboard fits into it.

To optimize the motherboard features, we highly recommend that you install it in an SSI EEB 1.1 compliant chassis.

Ensure to unplug the chassis power cord before installing or removing the motherboard. Failure to do so can cause you physical injury and damage motherboard components!

2.2.1 Placement direction

When installing the motherboard, ensure that you place it into the chassis in the correct orientation. The edge with external ports goes to the rear part of the chassis as indicated in the image below.

2.2.2 Screw holes

Place eight (8) screws into the holes indicated by circles to secure the motherboard to the chassis.

DO NOT overtighten the screws! Doing so can damage the motherboard.

Place this side towards

the rear of the chassis

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2-6 Chapter 2: Hardware information

2.2.4 Motherboard layouts

Z8NH-D12

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ASUS Z8NH-D12 Series 2-7

Z8PH-D12/IFB

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2-8 Chapter 2: Hardware information

Z8PH-D12 SE/QDR

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ASUS Z8NH-D12 Series 2-9

2.2.5 Layout contents

Slots/Soocket Page

1. CPU sockets

2. DDR3 sockets

3. PCI Express x 16 slot

Jumpers Page

1. Clear RTC RAM (CLRTC1)

2. VGA controller setting (3-pin VGA_SW1))

3. DDR3 voltage control setting (4-pin LVDDR3_SEL1; LVDDR3_SEL2)

4. LAN controller setting (3-pin LAN_SW1, LAN_SW2)

5. Intel ICH10R SATA port S/W RAID setting (3-pin RAID_SEL1)

6. Force BIOS recovery setting (3-pin RECOVERY1)

Rear panel connectors Page

1. RJ-45 port for iKVM

2. USB 2.0 ports 1 and 2

3. LAN 1 (RJ-45) port

4. LAN 2 (RJ-45) port

5. Serial (COM1) port

6. Video Graphics Adapter port

7. Location LED

2-10

2-15

2-20

2-21

2-22

2-23

2-24

2-25

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2-10 Chapter 2: Hardware information

Internal connectors Page

1. Serial ATA connectors (7-pin SATA1, SATA2, SATA3, SATA4)

2. USB connector (5-1 pin USB3, A-Type USB4)

3. Thermal sensor cable connectors (3-pin TR1, TR2)

4. Front fan connectors (4-pin FRNT_FAN1, FRNT_FAN2, FRNT_FAN3, FRNT_FAN4)

5. LPC debug card connector (14-1 pin LPC1)

6. Serial General Purpose Input/Output connector (6-1 pin SGPIO1)

7. BMC header (BMC_FW1)

8. Power Supply SMBus connectors (6-1 pin JP1; JP2)

9. Proprietary power connectors (20-pin PWR1, 20-pin PWR2, 4-pin PWR3)

10. System panel connector (20-1 pin PANEL1)

11. Auxiliary panel connector (20-2 pin AUX_PANEL1)

2-26

2-27

2-28

2-29

2-30

2-31

2-32

2-33

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ASUS Z8NH-D12 Series 2-11

2.3 Central Processing Unit (CPU)

The motherboard comes with dual surface mount LGA 1366 Socket designed for the Intel® Xeon 5500 series CPU in the Land Grid Array (LGA) package.

•

Upon purchase of the motherboard, ensure that the PnP cap is on the socket and the socket contacts are not bent. Contact your retailer immediately if the PnP cap is missing, or if you see any damage to the PnP cap/socket contacts/motherboard components. ASUS shoulders the repair cost only if the damage is shipment/transit-related.

•

Keep the cap after installing the motherboard. ASUS will process Return Merchandise Authorization (RMA) requests only if the motherboard comes with the cap on the Socket 1366.

• The product warranty does not cover damage to the socket contacts resulting from incorrect CPU installation/removal, or misplacement/loss/ incorrect removal of the PnP cap.

2.3.1 Installing the CPU

To install a CPU:

1. Locate the CPU socket on the motherboard.

Before installing the CPU, ensure that the socket box is facing toward you and the load lever is on your left.

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2-12 Chapter 2: Hardware information

2. Press the load lever with your thumb (A), then move it to the left (B) until it is released from the retention tab.

Retention tab

To prevent damage to the socket pins, do not remove the PnP cap unless you are installing a CPU.

3. Lift the load lever in the direction of the arrow to a 135º angle.

4. Lift the load plate with your thumb and forefinger to a 100º angle.

5. Remove the PnP cap from the CPU socket.

Load lever

Load plate

PnP cap

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ASUS Z8NH-D12 Series 2-13

6. Position the CPU over the socket, ensuring that the gold triangle is on the bottom-left corner of the socket, and then fit the socket alignment key into the CPU notch.

The CPU fits in only one correct orientation. DO NOT force the CPU into the socket to prevent bending the connectors on the socket and damaging the CPU!

7. Apply some Thermal Interface Material to the exposed area of the CPU that the heatsink will be in contact with, ensuring that it is spread in an even thin layer.

Some heatsinks come with pre-applied Thermal Interface Material. If so, skip this step.

Gold triangle mark

CPU notch

Alignment key

The Thermal Interface Material is toxic. DO NOT eat the Thermal Interface Material. If it gets into your eyes or touches your skin, ensure that you wash it off immediately and seek professional medical help.

To prevent contaminating the Thermal Interface Material, DO NOT spread the Thermal Interface Material with your finger directly.

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2-14 Chapter 2: Hardware information

2.3.2 Installing the CPU heatsink and fan

The Intel Xeon 5500 series processors require a specially designed heatsink to ensure optimum thermal condition and performance.

• Ensure to use qualified heatsink assembly only.

• Ensure that you have applied the thermal grease to the top of the CPU before installing the heatsink and fan.

Follow these steps to install the CPU heatsink and fan.

1. Orient and place the heatsink on top of the installed CPU, ensuring that the screw holes are matched with the heatsink standoffs.

2. Use a Phillips screwdriver to tighten the four heatsink screws in a diagonal sequence.

Ensure that the heatsink is not skewed or tilted, otherwise the CPU will overheat.

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ASUS Z8NH-D12 Series 2-15

3. Connect the fan cable to any of the the 4-pin connectors.

3. Repeat steps 1 to 3 to install the other heatsink if you have installed a secondRepeat steps 1 to 3 to install the other heatsink if you have installed a second CPU, then connect the fan cable to another 4-pin connector.

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2-16 Chapter 2: Hardware information

2.4 System memory

2.4.1 Overview

The motherboard comes with twelve (12) Double Data Rate 3 (DDR3) Dual Inline Memory Modules (DIMM) sockets.

A DDR3 module has the same physical dimensions as a DDR2 DIMM but is notched differently to prevent installation on a DDR2 DIMM socket. DDR3 modules are developed for better performance with less power consumption.

The figure illustrates the location of the DDR3 DIMM sockets:

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ASUS Z8NH-D12 Series 2-17

2.4.2 Memory Congurations

You may install 1 GB, 2 GB, 4 GB, or 8GB registered ECC/unbuffered ECC DDR3 DIMMs into the DIMM sockets using the memory configurations in this section.

Always install DIMMs with the same CAS latency. For optimum compatibility, it is recommended that you obtain memory modules from the same vendor.

Memory population table

CPU 1 Conguration

DIMM_A2 DIMM_A1 DIMM_B2 DIMM_B1 DIMM_C2 DIMM_C1 1 DIMMs 2 DIMMs 3 DIMMs 4 DIMMs 6 DIMMs

CPU 2 Conguration

1 DIMMs 2 DIMMs 3 DIMMs 4 DIMMs 6 DIMMs

-- -- -- -- --

-- -- -- --

-- -- --

-- --

DIMM_D2 DIMM_D1 DIMM_E2 DIMM_E1 DIMM_F2 DIMM_F1

-- -- -- -- --

-- -- -- --

-- -- --

-- --

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2-18 Chapter 2: Hardware information

2.4.3 Installing a DIMM

Unplug the power supply before adding or removing DIMMs or other system components. Failure to do so can cause severe damage to both the motherboard and the components.

To install a DIMM:

1. Unlock a DIMM socket by pressing the retaining clips outward.

2. Align a DIMM on the socket such that the notch on the DIMM

matches the break on the socket.

3. Firmly insert the DIMM into the socket until the retaining clips snap back in place and the DIMM is properly seated.

• A DDR3 DIMM is keyed with a notch so that it fits in only one direction. DO NOT force a DIMM into a socket to avoid damaging the DIMM.

• The DDR3 DIMM sockets do not support DDR and DDR2 DIMMs. DO NOT install DDR or DDR2 DIMMs to the DDR3 DIMM sockets.

2.4.4 Removing a DIMM

To remove a DIMM:

1. Simultaneously press the retaining clips outward to unlock the DIMM.

Support the DIMM lightly with your fingers when pressing the retaining clips. The DIMM might get damaged when it flips out with extra force.

DDR3 DIMM notch

Unlocked retaining clip

DDR3 DIMM notch

2. Remove the DIMM from the socket.

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ASUS Z8NH-D12 Series 2-19

2.5 Expansion slots

In the future, you may need to install expansion cards. The following sub-sections describe the slots and the expansion cards that they support.

Ensure to unplug the power cord before adding or removing expansion cards. Failure to do so may cause you physical injury and damage motherboard components.

2.5.1 Installing an expansion card

To install an expansion card:

1. Before installing the expansion card, read the documentation that came with it and make the necessary hardware settings for the card.

2. Remove the system unit cover (if your motherboard is already installed in a chassis).

3. Remove the bracket opposite the slot that you intend to use. Keep the screw for later use.

4. Align the card connector with the slot and press firmly until the card is completely seated on the slot.

5. Secure the card to the chassis with the screw you removed earlier.

6. Replace the system cover.

2.5.2 Conguring an expansion card

After installing the expansion card, configure the it by adjusting the software settings.

1. Turn on the system and change the necessary BIOS settings, if any. See Chapter 4 for information on BIOS setup.

2. Assign an IRQ to the card. Refer to the tables on the next page.

3. Install the software drivers for the expansion card.

When using PCI cards on shared slots, ensure that the drivers support “Share IRQ” or that the cards do not need IRQ assignments. Otherwise, conflicts will arise between the two PCI groups, making the system unstable and the card inoperable.

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2-20 Chapter 2: Hardware information

2.5.3 Interrupt assignments

Standard Interrupt assignments

IRQ Priority Standard function

0 1 System Timer

1 2 Keyboard Controller

2 - Programmable Interrupt

4* 12 Communications Port (COM1)

5* 13 --

6 14 Floppy Disk Controller

7* 15 --

8 3 System CMOS/Real Time Clock

9* 4 ACPI Mode when used

10* 5 IRQ Holder for PCI Steering

11* 6 IRQ Holder for PCI Steering

12* 7 PS/2 Compatible Mouse Port

13 8 Numeric Data Processor

14* 9 Primary IDE Channel

15* 10 Secondary IDE Channel

* These IRQs are usually available for ISA or PCI devices.

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ASUS Z8NH-D12 Series 2-21

2.5.4 PCI Express x16 slot (x16 link)

The onboard PCI Express x16 slot provides x16 link to Intel 5500 I/O Hubchipset. This slot supports VGA cards and various server class high performance add-on cards. It also supports a special riser card with two PCI Express x16 (x8 link) slots for 1U server system.

PCIEx16 slot (x16 link)

The picture abvoe is for reference only. The motherboard layout may vary with models.

2.5.5 Installing ASMB4 management board

Follow the steps below to install an optional ASMB4 management board on your motherboard.

1. Locate the BMC_FW1 header on the motherboard.

2. Orient and press the ASMB4 management card in place.

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2-22 Chapter 2: Hardware information

2.6 Jumpers

1. Clear RTC RAM (CLRTC1)

This jumper allows you to clear the Real Time Clock (RTC) RAM in CMOS. You can clear the CMOS memory of date, time, and system setup parameters by erasing the CMOS RTC RAM data. The onboard button cell battery powers the RAM data in CMOS, which include system setup information such as system passwords.

To erase the RTC RAM:

1. Turn OFF the computer and unplug the power cord.

2. Move the jumper cap from pins 1–2 (default) to pins 2–3. Keep the cap on pins 2–3 for about 5–10 seconds, then move the cap back to pins 1–2.

3. Plug the power cord and turn ON the computer.

4. Hold down the <Del> key during the boot process and enter BIOS setup to re-enter data.

Except when clearing the RTC RAM, never remove the cap on CLRTC jumper default position. Removing the cap will cause system boot failure!

If the steps above do not help, remove the onboard battery and move the jumper again to clear the CMOS RTC RAM data. After the CMOS clearance, reinstall the battery.

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ASUS Z8NH-D12 Series 2-23

2. VGA controller setting (3-pin VGA_SW1)

This jumper allows you to enable or disable the onboard VGA controller. Set to pins 1–2 to activate the VGA feature.

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2-24 Chapter 2: Hardware information

3. DDR3 voltage control setting (4-pin LVDDR3_SEL1; LVDDR3_SEL2)

These jumpers allow you to adjust the DIMM voltage. Set to pins 1–2 to select 1.5V BIOS control, pins 2–3 to select 1.2V Force or 3–4 to select

1.35V Force.

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ASUS Z8NH-D12 Series 2-25

4. LAN controller setting (3-pin LAN_SW1, LAN_SW2)

These jumpers allow you to enable or disable the onboard Intel

Intel 82574LGigabit LAN controllers. Set to pins 1–2 to activate the Gigabit LAN feature.

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2-26 Chapter 2: Hardware information

5. Intel® ICH10R SATA port S/W RAID setting (3-pin RAID_SEL1)

This jumper allows you to select the Serial ATA RAID configuration utility to use when you create disk arrays. Place the jumper caps on pins 1–2 if you want to use the LSI Logic Embedded SATA RAID Setup Utility (default); otherwise, place the jumper caps on pins 2–3 to use the Intel® Matrix Storage Manager (IMSM).

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ASUS Z8NH-D12 Series 2-27

6. Force BIOS recovery setting (3-pin RECOVERY1)

This jumper allows you to quickly update or recover the BIOS settings when it becomes corrupted.

To update the BIOS:

1. Prepare a USB flash disk that contains the original or latest BIOS for the

motherboard (XXXXXX.ROM) and the AFUDOS.EXE utility.

2. Set the jumper to pins 2–3.

3. Insert the USB flash and turn on the system to update the BIOS.

4. Shut down the system.

5. Set the jumper back to pins 1–2.

6. Turn on the system.

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2-28 Chapter 2: Hardware information

2.7 Connectors

2.7.1 Rear panel connectors

Z8NH-D12; Z8PH-D12/IFB

Z8PH-D12 SE/QDR

1. RJ-45 port for iKVM. This RJ-45 port functions only when you install ASMB4

management card.

2. USB 2.0 ports 1 and 2. These two 4-pin Universal Serial Bus (USB) ports

are available for connecting USB 2.0 devices.

3. LAN 2 (RJ-45) port. This port allows Gigabit connection to a Local Area

Network (LAN) through a network hub. Refer to the table below for the LAN port LED indications.

4. LAN 1 (RJ-45) port. This port allows Gigabit connection to a Local Area

Network (LAN) through a network hub. Refer to the table below for the LAN port LED indications.

LAN port LED indications

LED

LAN port

SPEED

LED

Activity/Link LED Speed LED

Status Description Status Description

OFF No link OFF 10 Mbps connection

GREEN Linked ORANGE 100 Mbps connection

BLINKING Data activity GREEN 1 Gbps connection

ACT/LINK

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ASUS Z8NH-D12 Series 2-29

5. Serial (COM1) port. This 9-pin communication port is for pointing devices or

other serial devices.

6. Video Graphics Adapter port. This port is for a VGA monitor or other VGA-

compatible devices.

7. Location LED. This LED lights up for you to conveniently locate the system

in error.

8. InniBand (IFX1).

(Z8PH-D12/IFB only)

This port allows connection with a

CX4 cable to an InfiniBand switch.

9. InniBand (MQSFP1).

(Z8PH-D12 SE/QDR only)

This port allows

connection with a QSFP cable to an InfiniBand switch.

10. InniBand (MQSFP1) indicators.

(Z8PH-D12 SE/QDR only)

These

indicators show the status of InfiniBand (MQSFP1).

Inniband (MQSFP1) indications

Activity LED Link LED Description

Off Off No device

Orange Green Device plugged in; Ready

Orange Blinking

Green Device plugged in; Data transmitting

LINK LEDACT LED

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2-30 Chapter 2: Hardware information

2.7.2 Internal connectors

1. Serial ATA connectors (7-pin SATA1, SATA2, SATA3, SATA4)

Supported by the Intel® ICH10R chipset, these connectors are for the Serial ATA signal cables for Serial ATA hard disk drives that allows up to 3Gb/s of data transfer rate.

If you installed Serial ATA hard disk drives, you can create a RAID 0, RAID 1, RAID 10, or RAID 5 configuration.

The actual data transfer rate depends on the speed of Serial ATA hard disks installed.

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ASUS Z8NH-D12 Series 2-31

2. USB connector (5-1 pin USB3; A-Type USB4)

These connectors are for USB 2.0 ports. Connect the USB module cables to connectors USB3, then install the modules to a slot opening at the back of the system chassis. These USB connectors comply with USB 2.0 specification that supports up to 480 Mbps connection speed.

3. Thermal sensor cable connectors (3-pin TR1, TR2)

These connectors are for temperature monitoring. Connect the thermal sensor cables to these connectors and place the other ends to the devices, which you want to monitor temperature.

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2-32 Chapter 2: Hardware information

4. Front fan connectors (4-pin FRNT_FAN1, FRNT_FAN2, FRNT_FAN3, FRNT_FAN4)

The fan connectors support cooling fans of 350 mA–740 mA (8.88 W max.) or a total of 3.15 A–6.66 A (53.28 W max.) at +12V. Connect the fan cables to the fan connectors on the motherboard, ensuring that the black wire of each cable matches the ground pin of the connector.

• DO NOT forget to connect the fan cables to the fan connectors. Insufficient air flow inside the system may damage the motherboard components.

• These are not jumpers! DO NOT place jumper caps on the fan connectors!

• All fans feature the ASUS Smart Fan technology.

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ASUS Z8NH-D12 Series 2-33

5. LPC debug card connector (14-1 pin LPC1)

This is a low pin count interface used to plug in the LPC debug card.

6. Serial General Purpose Input/Output connector (6-1 pin SGPIO1)

This connector is used for the SGPIO peripherals for the LSI MegaRAID and Intel Matrix RAID SATA LED.

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2-34 Chapter 2: Hardware information

7. BMC header (BMC_FW1)

The BMC connector on the motherboard supports an ASUS® Server

Management Board 4 Series (ASMB4).

8. Power Supply SMBus connectors (6-1 pin JP1; JP2)

These connectors allow you to connect SMBus (System Management Bus) to the power supply unit to read PSU information. Devices communicate with an SMBus host and/or other SMBus devices using the SMBus interface.

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ASUS Z8NH-D12 Series 2-35

9. Proprietary power connectors (20-pin PWR1, 20-pin PWR2, 4-pin PWR3)

These connectors are for Proprietary power supply plugs. The power supply plugs are designed to fit these connectors in only one orientation. Orient the connectors and push down firmly until they completely fit.

The 4-pin EZ_PLUG is designed for hard disk drives power supply. DO NOT connect other 4-pin power connectors of the power supply unit (PSU) to this connector.

• Connect either one of the 20-pin power connectors to boot up the system.

• Use of a PSU with a higher power output is recommended when configuring a system with more power-consuming devices. The system may become unstable or may not boot up if the power is inadequate.

• USE THE PROPRIETARY POWER SUPPLY ONLY; otherwise you may damage the motherboard. Ensure that your PSU can provide at least the minimum power required by your system.

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2-36 Chapter 2: Hardware information

10. System panel connector (20-pin PANEL1)

This connector supports several chassis-mounted functions.

1. System power LED (3-pin PLED)

This 3-pin connector is for the system power LED. Connect the chassis power LED cable to this connector. The system power LED lights up when you turn on the system power, and blinks when the system is in sleep mode.

2. Message LED (2-pin MLED)

This 2-pin connector is for the message LED cable that connects to the front message LED. The message LED is controlled by Hardware monitor to indicate an abnormal event occurance.

3. System warning speaker (4-pin SPEAKER)

This 4-pin connector is for the chassis-mounted system warning speaker. The speaker allows you to hear system beeps and warnings.

4. Hard disk drive activity LED (2-pin HDDLED)

This 2-pin connector is for the HDD Activity LED. Connect the HDD Activity LED cable to this connector. The IDE LED lights up or flashes when data is read from or written to the HDD.

5. Proprietary power button/soft-off button (2-pin PWRSW)

This connector is for the system power button. Pressing the power button turns the system on or puts the system in sleep or soft-off mode depending on the BIOS settings. Pressing the power switch for more than four seconds while the system is ON turns the system OFF.

6. Reset button (2-pin RESET)

This 2-pin connector is for the chassis-mounted reset button for system reboot without turning off the system power.

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ASUS Z8NH-D12 Series 2-37

11. Auxiliary panel connector (20-pin AUX_PANEL1)

This connector is for additional front panel features including front panel SMB, locator LED and switch, chassis intrusion, and LAN LEDs.

1. Front panel SMB (6-1 pin FPSMB)

These leads connect the front panel SMBus cable.

2. LAN activity LED (2-pin LAN1_LED, LAN2_LED)

These leads are for Gigabit LAN activity LEDs on the front panel.

3. Chassis intrusion (4-1 pin CHASSIS)

These leads are for the intrusion detection feature for chassis with intrusion sensor or microswitch. When you remove any chassis component, the sensor triggers and sends a high-level signal to these leads to record a chassis intrusion event. The default setting is short CASEOPEN and GND pin by jumper cap to disable the function.

4. Locator LED (2-pin LOCATORLED1 and 2-pin LOCATORLED2)

These leads are for the locator LED1 and LED2 on the front panel. Connect the Locator LED cables to these 2-pin connector. The LEDs will light up when the Locator button is pressed.

5. Locator Button/Swich (2-pin LOCATORBTN)

These leads are for the locator button on the front panel. This button queries the state of the system locator.

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2-38 Chapter 2: Hardware information

Page 57

This chapter describes the power up sequence, and ways of shutting down the system.

Powering up

Page 58

Chapter summary

3.1 Starting up for the rst time ........................................................ 3-3

3.2 Turning off the computer ............................................................. 3-4

ASUS Z8NH-D12 Series

Page 59

3.1 Starting up for the rst time

1. After making all the connections, replace the system case cover.

2. Ensure that all switches are off.

3. Connect the power cord to the power connector at the back of the system chassis.

4. Connect the power cord to a power outlet that is equipped with a surge protector.

5. Turn on the devices in the following order:

a. Monitor

b. External SCSI devices (starting with the last device on the chain)

c. System power

6. After applying power, the system power LED on the system front panel case lights up. For systems with Proprietary power supplies, the system LED lights up when you press the Proprietary power button. If your monitor complies with “green” standards or if it has a “power standby” feature, the monitor LED may light up or switch between orange and green after the system LED turns on.

The system then runs the power-on self-test or POST. While the tests are

running, the BIOS beeps or additional messages appear on the screen. If you do not see anything within 30 seconds from the time you turned on the power, the system may have failed a power-on test. Check the jumper settings and connections or call your retailer for assistance.

7. At power on, hold down the <Del> key to enter the BIOS Setup. Follow the instructions in Chapter 4.

ASUS Z8NH-D12 Series 3-3

Page 60

3.2 Powering off the computer

3.2.1 Using the OS shut down function

If you are using Windows® 2000/2003 Server:

1. Click

2. Select

3. Select

4. Ensure that the

5. Select

6. If necessary, key in comments.

7. Click OK.

Start

then click

Shut Down

box.

Shutdown Event Tracker

shutdown

Shut Down

from the

Planned

from the list box.

What do you want the computer to do?

check box is checked.

list

3.2.2 Using the dual function power switch

While the system is ON, pressing the power switch for less than four seconds puts the system to sleep mode or to soft-off mode, depending on the BIOS setting. Pressing the power switch for more than four seconds lets the system enter the soft-off mode regardless of the BIOS setting. Refer to section Chapter 4 for details.

4.5 Power Menu

3-4 Chapter 3: Powering up

Page 61

This chapter tells how to change the system settings through the BIOS Setup menus. Detailed descriptions of the BIOS parameters are also provided.

BIOS setup

Page 62

Chapter summary

4.1 Managing and updating your BIOS ............................................ 4-3

4.2 BIOS setup program .................................................................... 4-7

4.3 Main menu .................................................................................. 4-10

4.4 Advanced menu ......................................................................... 4-16

4.5 Server menu ............................................................................... 4-33

4.6 Boot menu .................................................................................. 4-35

4.7 Exit menu .................................................................................... 4-39

ASUS Z8NH-D12 Series

Page 63

4.1 Managing and updating your BIOS

The following utilities allow you to manage and update the motherboard Basic Input/Output System (BIOS) setup:

AFUDOS utility

1. flash disk drive.)

ASUS CrashFree BIOS 3

2. disk drive when the BIOS file fails or gets corrupted.)

Refer to the corresponding sections for details on these utilities.

(Updates the BIOS in DOS mode using a bootable USB

(To recover the BIOS using a bootable USB flash

Save a copy of the original motherboard BIOS file to a bootable

disk drive

motherboard BIOS using the ASUS Update or AFUDOS utilities.

in case you need to restore the BIOS in the future. Copy the original

USB flash

4.1.1 AFUDOS utility

The AFUDOS utility allows you to update the BIOS file in DOS environment using a bootable USB flash disk drive with the updated BIOS file. This utility also allows you to copy the current BIOS file that you can use as backup when the BIOS fails or gets corrupted during the updating process.

Copying the current BIOS

To copy the current BIOS file using the AFUDOS utility:

The succeeding BIOS screens are for reference only. The actual BIOS screen displays may not be the same as shown.

1. Copy the AFUDOS utility (afudos.exe) from the motherboard support CD to the bootable USB flash disk drive you created earlier.

2. Boot the system in DOS mode, then at the prompt type:

afudos /o[lename]

where the [filename] is any user-assigned filename not more than eight alphanumeric characters for the main filename and three alphanumeric characters for the extension name.

A:\>afudos /oOLDBIOS1.rom

Main lename Extension name

ASUS Z8NH-D12 Series 4-3

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4-4 Chapter 4: BIOS setup

3. Press <Enter>. The utility copies the current BIOS file to the USB flash disk drive.

A:\>afudos /oOLDBIOS1.rom

Reading ash ..... done

Write to le...... ok

A:\>

The utility returns to the DOS prompt after copying the current BIOS file.

Updating the BIOS le

To update the BIOS file using the AFUDOS utility:

1. Visit the ASUS website at www.asus.com and download the latest BIOS file for the motherboard. Save the BIOS file to a bootable USB flash disk drive. USB flash disk drive..

Write the BIOS filename on a piece of paper. You need to type the exact BIOS filename at the DOS prompt.

2. Copy the AFUDOS utility (afudos.exe) from the motherboard support CD to the bootable USB flash disk drive you created earlier. USB flash disk drive you created earlier.you created earlier.

3. Boot the system in DOS mode, then at the prompt, type:

afudos /i[lename]

where [filename] is the latest or the original BIOS file on the bootable USB USB flash disk drive, then press <Enter>., then press <Enter>.

A:\>afudos /i8036A0.ROM

The utility verifies the file, then starts updating the BIOS file.

WARNING!! Do not turn off power during ash BIOS

Reading le ....... done

Reading ash ...... done

Advance Check ......

Erasing ash ...... done

Writing ash ...... 0x0008CC00 (9%)

DO NOT shut down or reset the system while updating the BIOS to prevent system boot failure!

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ASUS Z8NH-D12 Series 4-5

5. The utility returns to the DOS prompt after the BIOS update process is completed. Reboot the system from the hard disk drive.

WARNING!! Do not turn off power during ash BIOS

Reading le ....... done

Reading ash ...... done

Advance Check ......

Erasing ash ...... done

Writing ash ...... done

Verifying ash .... done

Please restart your computer

A:\>

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4-6 Chapter 4: BIOS setup

4.1.2 ASUS CrashFree BIOS 3 utility

The ASUS CrashFree BIOS 3 is an auto recovery tool that allows you to restore the BIOS file when it fails or gets corrupted during the updating process. You can update a corrupted BIOS file using a USB flash drive that contains the updated BIOS file.

Prepare a USB flash drive containing the updated motherboard BIOS before using this utility.

Recovering the BIOS from a USB ash drive

To recover the BIOS from a USB flash drive:

1. Remove any floppy disk from the floppy disk drive and turn the system on.

2. Insert the USB flash drive with the original or updated BIOS file to one USB port on the system.

3. The utility will automatically recover the BIOS. It resets the system when the BIOS recovery finished.

DO NOT shut down or reset the system while recovering the BIOS! Doing so would cause system boot failure!

The recovered BIOS may not be the latest BIOS version for this motherboard. Visit the ASUS website at www.asus.com to download the latest BIOS file.

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ASUS Z8NH-D12 Series 4-7

4.2 BIOS setup program

This motherboard supports a programmable firmware chip that you can update using the provided utility described in section

BIOS

Use the BIOS Setup program when you are installing a motherboard, reconfiguring your system, or prompted to “Run Setup.” This section explains how to configure your system using this utility.

Even if you are not prompted to use the Setup program, you can change the configuration of your computer in the future. For example, you can enable the security password feature or change the power management settings. This requires you to reconfigure your system using the BIOS Setup program so that the computer can recognize these changes and record them in the CMOS RAM of the firmware chip.

The firmware chip on the motherboard stores the Setup utility. When you start up the computer, the system provides you with the opportunity to run this program. Press <Del> during the Power-On Self-Test (POST) to enter the Setup utility; otherwise, POST continues with its test routines.

If you wish to enter Setup after POST, restart the system by pressing <Ctrl+Alt+Delete>, or by pressing the reset button on the system chassis. You can also restart by turning the system off and then back on. Do this last option only if the first two failed.

The Setup program is designed to make it as easy to use as possible. Being a menu-driven program, it lets you scroll through the various sub-menus and make your selections from the available options using the navigation keys.

4.1 Managing and updating your

• The default BIOS settings for this motherboard apply for most conditions to ensure optimum performance. If the system becomes unstable after changing any BIOS settings, load the default settings to ensure system compatibility and stability. Select the Exit Menu. See section

• The BIOS setup screens shown in this section are for reference purposes only, and may not exactly match what you see on your screen.

• Visit the ASUS website at www.asus.com to download the latest BIOS file for this motherboard.

4.8 Exit Menu

Load Setup Defaults

item under the

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4.2.1 BIOS menu screen

Menu bar

Main Advanced Server Boot Exit

System Time [17:44:30] System Date [Mon, 03/08/2010]

SATA 1 : [ST3160812AS] SATA 2 : [Not Detected] SATA 3 : [Not Detected] SATA 4 : [Not Detected]

IDE Conguration AHCI Conguration System Information

Sub-menu items

Conguration eldsMenu items

BIOS SETUP UTILITY

General help

Use [ENTER], [TAB] or [SHIFT-TAB] to select a eld.

Use [+] or [-] to congure system Date.

←→ Select Screen ↑↓ Select Item

+- Change Field Tab Select Field F1 General Help F10 Save and Exit ESC Exit

Navigation keys

4.2.2 Menu bar

The menu bar on top of the screen has the following main items:

Main For changing the basic system configuration

Advanced For changing the advanced system settings

Server For changing the advanced server settings

Boot For changing the system boot configuration

Exit For selecting the exit options and loading default

settings

To select an item on the menu bar, press the right or left arrow key on the keyboard until the desired item is highlighted.

4.2.3 Navigation keys

At the bottom right corner of a menu screen are the navigation keys for that particular menu. Use the navigation keys to select items in the menu and change the settings.

Some of the navigation keys differ from one screen to another.

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4.2.4 Menu items

The highlighted item on the menu bar displays the specific items for that menu. For example, selecting Main shows the Main menu items.

System Time [15:17:09] System Date [Mon 08/08/2010]

SATA1 [Not Detected] SATA2 [Not Detected] SATA3 [Not Detected]] SATA4 [Not Detected]

IDE Conguration AHCI Conguration System Information

Use [ENTER], [TAB]

or [SHIFT-TAB] to

select a eld.

Use [+] or [-] to

congure system

Date.

The other items (Advanced, Power, Boot, and Exit) on the menu bar have their respective menu items.

Main menu items

4.2.5 Sub-menu items

A solid triangle before each item on any menu screen means that the item has a sub-menu. To display the sub-menu, select the item and press <Enter>.

4.2.6 Conguration elds

These fields show the values for the menu items. If an item is user-configurable, you can change the value of the field opposite the item. You cannot select an item that is not user-configurable.

A configurable field is enclosed in brackets, and is highlighted when selected. To change the value of a field, select it then press <Enter> to display a list of options. Refer to 4.2.7 Pop-up window.

4.2.7 Pop-up window

Select a menu item then press <Enter> to display a pop-up window with the configuration options for that item.

4.2.8 Scroll bar

A scroll bar appears on the right side of a menu screen when there are items that do not fit on the screen. Press the Up/Down arrow keys or <Page Up> /<Page Down> keys to display the other items on the screen.

Pop-up window

Scroll bar

4.2.9 General help

At the top right corner of the menu screen is a brief description of the selected item.

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4.3 Main menu

When you enter the BIOS Setup program, the Main menu screen appears, giving you an overview of the basic system information.

Refer to section 4.2.1 BIOS menu screen for information on the menu screen items and how to navigate through them.

Main Advanced Server Boot Exit

System Time [17:44:30] System Date [Mon, 03/08/2010]

SATA 1 : [ST3160812AS] SATA 2 : [Not Detected] SATA 3 : [Not Detected] SATA 4 : [Not Detected]

IDE Conguration AHCI Conguration System Information

BIOS SETUP UTILITY

Use [ENTER], [TAB] or [SHIFT-TAB] to select a eld.

Use [+] or [-] to congure system Date.

←→ Select Screen ↑↓ Select Item

+- Change Field Tab Select Field F1 General Help F10 Save and Exit ESC Exit

4.3.1 System Time [xx:xx:xx]

Allows you to set the system time.

4.3.2 System Date [Day xx/xx/xxxx]

Allows you to set the system date.

4.3.3 SATA1—4

The items in this menu allow you to set or change the configurations for the SATA devices installed in the system. Select an item then press <Enter> if you wish to configure the item.

Main

SATA 1

Device :Hard Disk Vendor :xxxxxxxxx Size :xx.xGB LBA Mode :Supported Block Mode:16Sectors PIO Mode :4 Async DMA :MultiWord DMA-2 Ultra DMA :Ultra DMA-6 S.M.A.R.T.:Supported

Type [Auto] LBA/Large Mode [Auto] Block(Multi-Sector Transfer)M [Auto] PIO Mode [Auto] DMA Mode [Auto] SMART Monitoring [Auto] 32Bit Data Transfer [Enabled]

BIOS SETUP UTILITY

Disabled: Disabled LBA Mode. Auto: Enables LBA Mode if the device supports it and the device is not already formatted with LBA Mode disabled.

←→ Select Screen ↑↓ Select Item

+- Change Option F1 General Help F10 Save and Exit ESC Exit

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The BIOS automatically detects the values opposite the dimmed items (Device, Vendor, Size, LBA Mode, Block Mode, PIO Mode, Async DMA, Ultra DMA, and S.M.A.R.T. monitoring). These values are not user-configurable. These items show N/A if no IDE device is installed in the system.

Type [Auto]

Allows you to select the type of device connected to the system. Configuration options: [Not Installed] [Auto] [CDROM] [ARMD]

LBA/Large Mode [Auto]

Enables or disables the LBA mode. Setting to [Auto] enables the LBA mode if the device supports this mode, and if the device was not previously formatted with LBA mode disabled. Configuration options: [Disabled] [Auto]

Block (Multi-Sector Transfer) M [Auto]

Enables or disables data multi-sectors transfers. When set to [Auto], the data transfer from and to the device occurs multiple sectors at a time if the device supports multi-sector transfer feature. When set to [Disabled], the data transfer from and to the device occurs one sector at a time. Configuration options: [Disabled] [Auto]

PIO Mode [Auto]

Allows you to select the data transfer mode. Configuration options: [Auto] [0] [1] [2] [3] [4]

DMA Mode [Auto]

Sets the DMA mode. Configuration options: [Auto] [SWDMA0] [SWDMA1] [SWDMA2] [MWDMA0] [MWDMA1] [MWDMA2] [UDMA0] [UDMA1] [UDMA2] [UDMA3] [UDMA4] [UDMA5]

SMART Monitoring [Auto]

Sets the Smart Monitoring, Analysis, and Reporting Technology. Configuration options: [Auto] [Disabled] [Enabled]

32Bit Data Transfer [Enabled]

Enables or disables 32-bit data transfer. Configuration options: [Disabled] [Enabled]

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4.3.4 IDE Conguration

The items in this menu allow you to set or change the configurations for the IDE/SATA devices installed in the system. Select an item then press <Enter> if you wish to configure the item.

Main

IDE Conguration

SATA Conguration [Enhanced] Congure SATA as [IDE]

Hard Disk Write Protect [Disabled] IDE Detect Time Out (Sec) [35]

SATA Conguration [Enhanced]

Configuration options: [Disabled] [Compatible] [Enhanced]

Configure SATA as [IDE]

Sets the configuration for the Serial ATA connectors supported by the Southbridge chip. Configuration options: [IDE] [RAID] [AHCI]

• If you want to use the Serial ATA hard disk drives as Parallel ATA physical storage devices, keep the default setting [IDE].

• If you want the Serial ATA hard disk drives to use the Advanced Host Controller Interface (AHCI), set this item to [AHCI]. The AHCI allows the onboard storage driver to enable advanced Serial ATA features that increases storage performance on random workloads by allowing the drive to internally optimize the order of commands.

• If you want to create a LSI MegaRAID, or the Intel® Matrix Storage Technology configuration from the Serial ATA hard disk drives, set this item to [RAID].

BIOS SETUP UTILITY

Options

Disabled Compatible Enhanced

←→ Select Screen ↑↓ Select Item

+- Change Option F1 General Help F10 Save and Exit ESC Exit

Hard Disk Write Protect [Disabled]

Disables or enables device write protection. This will be effective only if the device is accessed through BIOS. Configuration option: [Disabled] [Enabled]

IDE Detect Time Out (Sec) [35]

Selects the time out value for detecting ATA/ATAPI devices. Configuration options: [0] [5] [10] [15] [20] [25] [30] [35]

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4.3.5 AHCI Conguration

This menu is the section for AHCI configuration.

Main

AHCI Settings

AHCI CD/DVD Boot Time out [35]

SATA Port1 [Not Detected] SATA Port2 [Not Detected] SATA Port3 [Not Detected] SATA Port4 [Not Detected]

AHCI CD/DVD Boot Time out [35]

Selects the boot time out value for SATA CD/DVD devices in AHCI mode. Congifuration options: [0] [5] [10] [15] [20] [25] [30] [35]

SATA Port1–4 [XXXX]

Displays the status of auto-detection of SATA devices.

Main

SATA Port1

Device :Not Detected

SATA Port1 [Auto] SMART Monitoring [Enabled]

BIOS SETUP UTILITY

Some SATA CD/DVD in AHCI mode need to wait ready longer.

Select the type of device connected to the system.

SATA Port1 [Auto]

Allows you to select the type of device connected to the system. Configuration options: [Auto] [Not Installed]

SMART Monitoring [Enabled]

Allows you to set the Self-Monitoring, Analysis and Reporting Technology. Configuration options: [Disabled] [Enabled]

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4.3.6 System Information

This menu gives you an overview of the general system specifications. The BIOS automatically detects the items in this menu.

Main

AMIBIOS

Version :0201 Build Date :02/25/10

Processor

Speed :2266MHZ Count :1

System Memory

Usable Size : 2040MB

Onboard LAN1 Address : 00.E0.18.01.10.00 Onboard LAN2 Address : 00.E0.18.01.10.01

System Memory Information

AMIBIOS

Displays the auto-detected BIOS information.

Processor

Displays the auto-detected CPU specification.

System Memory

Displays the auto-detected system memory.

BIOS SETUP UTILITY

←→ Select Screen ↑↓ Select Item

Enter Go to Sub Screen F1 General Help F10 Save and Exit ESC Exit

System Memory Information

Displays system memory information.

Main

System Memory Information

CPU1 Memory Information

CPU2 Memory Information

CPU1/2 Memory Configuration

Allows you to check information of installed memory (6 DIMMs per CPU).

BIOS SETUP UTILITY

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CPU1/2 Memory Conguration

Displays the auto-detected memory specification.

Main

CPU1 Memory Conguration

Speed DDR3 1067

DIMM_A1 N/A

DIMM_A2 N/A

DIMM_B1 N/A

DIMM_B2 N/A

DIMM_C1 N/A

DIMM_C2 N/A

BIOS SETUP UTILITY

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4.4 Advanced menu

The Advanced menu items allow you to change the settings for the CPU and other system devices.

Take caution when changing the settings of the Advanced menu items. Incorrect field values can cause the system to malfunction.

Main Advanced Server Boot Exit

CPU Conguration Chipset Conguration Legacy Device Conguration USB Conguration PCIPnP Conguration Power On Conguration Event Log Conguration Hardware Monitor I/O Virtualization PCI Exppress Conguration ACPI Conguration

BIOS SETUP UTILITY

Congure CPU.

←→ Select Screen ↑↓ Select Item

Enter Go to Sub Screen F1 General Help F10 Save and Exit ESC Exit

4.4.1 CPU Conguration

The items in this menu show the CPU-related information that the BIOS automatically detects. Some items may not appear if your CPU does not support the related functions.

Advanced

Congure advanced CPU settings

Module Version:01.08

Manufacturer:Intel Brand String:Intel(R) Xeon(R) CPU L5640 @ 2.27GHz Frequency :2.26GHz BCLK Speed :133MHz Cache L1 :384 KB Cache L2 :1536 KB Cache L3 :12288 KB Ratio Status:Unlocked (Min:12, Max:17) Ratio Actual Value :17

Ratio CMOS Setting: [17] C1E Support [Enabled] Hardware Prefetcher [Enabled] Adjacent Cache Line Prefetch [Enabled] MPS and ACPI MADT ordering [Modern ordering] Max CPUID Value Limit [Disabled] Intel(R) Virtualization Tech [Enabled]

BIOS SETUP UTILITY

Sets the ratio between CPU Core Clock and the FSB Frequency. Note:If an invalid ratio is set in CMOS then actual and setpoint values may differ.

←→ Select Screen ↑↓ Select Item

+- Change Option F1 General Help F10 Save and Exit ESC Exit

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Scroll down for more items.

Advanced

CPU TM Function [Enabled] Execute-Disable Bit Capability [Enabled] Intel(R) HT Technology [Enabled] Active Processor Cores [All] A20M [Disabled] Intel(R) SpeedStep(TM) Tech [Enabled] Intel(R) TurboMode tech [Enabled] Intel(R) C-STATE Tech [Enabled] C3 State [ACPI C3] C6 State [Enabled] C State package limit setting [Auto] C1 Auto Demotion [Enabled] C3 Auto Demotion [Enabled] ACPI T State [Disabled]

BIOS SETUP UTILITY

Sets the ratio between CPU Core Clock and the FSB Frequency. Note:If an invalid ratio is set in CMOS then actual and setpoint values may differ.

←→ Select Screen ↑↓ Select Item

+- Change Option F1 General Help F10 Save and Exit ESC Exit

Ratio CMOS Setting [17]

Allows you to adjust the ratio between CPU Core Clock and BCLK Frequency. Use the <+> and <-> keys to adjust the value. Configuration options: [12.0] [13.0] [14.0] [15.0] [16.0] [17.0]]

C1E Support [Enabled]

Allows you to enable or disable Enhanced Halt State support. Configuration options: [Disabled] [Enabled]

Hardware Prefetcher [Enabled]

Allows you to enable or disable the Hardware Prefetcher function. Configuration options: [Disabled] [Enabled]

Adjacent Cache Line Prefetch [Enabled]

Allows you to enable or disable the Adjacent Cache Line Prefetch function. Configuration options: [Disabled] [Enabled]

MPS and ACPI MADT ordering [Modern ordering]

Allows you to select the ordering according to the operating system you install. Select [Modern ordering] for Windows XP or later OS versions and [Legacy ordering] for Windows 2000 or earlier OS version. Configuration options: [Modern ordering] [Legacy ordering]

Max CPUID Value Limit [Disabled]

Setting this item to [Enabled] allows legacy operating systems to boot even without support for CPUs with extended CPUID functions. Configuration options: [Disabled] [Enabled]

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Intel(R) Virtualization Tech [Enabled]

The Intel® Virtualization Technology allows a hardware platform to run multiple operating systems separately and simultaneously, enabling one system to virtually function as several systems. Configuration options: [Disabled] [Enabled]

CPU TM Function [Enabled]

This function enables the overheated CPU to throttle the clock speed to cool down. Configuration options: [Disabled] [Enabled]

Execute-Disable Bit Capability [Enabled]

Allows you to enable or disable the No-Execution Page Protection Technology. Setting this item to [Disabled] forces the XD feature flag to always return to zero (0). Configuration options: [Disabled] [Enabled]

Intel(R) HT Technology [Enabled]

Allows you to enable or disable the Intel Hyper-Threading Technology function. When disabled, only one thread per activated core is enabled. Configuration options: [Enabled] [Disabled]

Active Processor Cores [All]

Allows you to choose the number of CPU cores to activate in each processor package.Configuration options: [All] [1] [2]

A20M [Disabled]

Legacy OSes and APs may need A20M enabled. Configuration options: [Disabled] [Enabled]

Intel(R) SpeedStep (TM) Tech [Enabled]

When set to [Disabled], the CPU runs at its default speed. When set to [Enabled], the CPU speed is controlled by the operating system. Configuration options: [Disabled] [Enabled]

Intel(R) TurboMode tech [Enabled]

The turbo mode allows the processor cores to run faster than the marked frequency in specific condition. Configuration options: [Disabled] [Enabled]

Intel(R) C-STATE Tech [Enabled]

The Intel® C-State Technology allows the CPU to save more power under idle mode. Enable this item only when you install a C-State Technology-supported CPU. Configuration options: [Disabled] [Enabled]

The following items appear only when you

item to [Enabled].

Intel(R) C-STATE Tech

set the

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C3 State [ACPI C3]

Allows you to select Nehalem C state action. Configuratiton options: [Disabled] [ACPI C2] [ACPI C3]

C6 State [Enabled]

Allows you to select Nehalem C state action. Configuratiton options: [Disabled] [Enabled]

C State package limit setting [Auto]

We recommend that you set this item to [Auto] for BIOS to automatically detect the C-State mode supported by your CPU. Configuration options: [Auto] [C1] [C3] [C6]

C3 Auto Demotion [Enabled]

When this item is enabled, the CPU will conditionally demote C6 requests to C3 based on the uncore auto-demote information. Configuration options: [Disabled] [Enabled]

ACPI T State [Disabled]

Enables or disables processor throttling report in ACPI. Configuration options: [Disabled] [Enabled]

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4.4.2 Chipset Conguration

The Chipset configuration menu allows you to change advanced chipset settings. Select an item then press <Enter> to display the sub-menu.

Advanced

Advanced Chipset Settings

WARNING: Setting wrong values in below sections may cause system to malfunction.

CPU Bridge Conguration North Bridge Conguration South Bridge Conguration Intel VT-d Conguration

BIOS SETUP UTILITY

Congure CPU Bridge features.

←→ Select Screen ↑↓ Select Item

Enter Go to Sub Screen F1 General Help F10 Save and Exit ESC Exit

CPU Bridge Conguration

BIOS SETUP UTILITY

Advanced

CPU Bridge Chipset Conguration

CPU REVISION :B0

CPU Revision :B0 Current CSI Frequency :6.400GT

Current CSI Frequency :5.866GT Current Memory Frequency :1066 Mhz

Current Memory Frequency :1066 Mhz

CSI Links Speed [Full-Speed]

CSI Links Speed [Full-Speed] CSI Frequency [Auto]

CSI Frequency [Auto] CSI Isochronous [Disabled] Memory Frequency [Auto]

CSI L1 [Enabled] Memory Mode [Independent]

CSI Power Optimization Policy [Static] Demand Scrubbing [Disabled] Patrol Scrubbing [Disabled]

Memory Frequency [Auto] Throttling - Closed Loop [Disabled]

Memory Mode [Independent] Throttling - Open Loop [Disabled]

Memory ECC Function [Enabled] Double Rate Refresh [Auto] Demand Scrubbing [Enabled] Patrol Scrubbing [Disabled] NUMA Aware [Auto] Page Policy [Open]

BIOS SETUP UTILITY

To transition the CSI

To transition the CSI links to full-speed

links to full-speed or leave them in

or leave them in slow-mode.

slow-mode.

←→ Select Screen

←→ Select Screen ↑↓ Select Item

↑↓ Select Item

+- Change Option

+- Change Option F1 General Help

F1 General Help F10 Save and Exit

F10 Save and Exit ESC Exit

ESC Exit

Scroll down for more items.

Adaptive Page [Disabled] Data Scramble [Enabled] Split Below 4GB [Disabled] Channel Interleaving [6:1] Rank Interleaving [4:1] Memory Thermal Throttling [Disabled] Force VDD 1.5V [Disabled]

←→ Select Screen ↑↓ Select Item

+- Change Option F1 General Help F10 Save and Exit ESC Exit

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CSI Links Speed [Full-Speed]

Allows you to set the speed of CSI Links. Configuration options: [Slow-Mode] [Full-Speed]

CSI Frequency [Auto]

Allows you to set the CSI frequency. Configuration options: [Auto] [4.800GT] [5.866GT] [6.400GT]

CSI Isochronous [Disabled]

Configuration options: [Disabled] [Enabled]

CSI L1 [Disabled]

Configuration options: [Disabled] [Enabled]

CSI Power Optimization Policy [Static]

Configuration options: [Adaptive] [Static] [Bypass]

Memory Frequency [Auto]

You may allow the system to detect DDR3 memory frequency via SPD or designate a specific frequency. Configuration options: [Auto] [Force DDR-800] [Force DDR-1066] [Force DDR-1333]

Memory Mode [Independent]

Allows you to set Memory channel mode. Configuration options: [Independent] [Channel Mirroring] [Lockstep]

Memory ECC Function [Enabled]

Allows you to enable or disable Memory ECC fucntion. Configuration options: [Disabled] [Enabled]

Double Rate Refresh [Auto]

Configuration options: [Disabled] [Auto]

Demand Scrubbing [Enabled]

Enables or disables the ECC demand scrub. Configuration options: [Disabled] [Enabled]

Patrol Scrubbing [Disabled]

Enables or disables the ECC patrol scrub. Configuration options: [Disabled] [Enabled]

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NUMA Aware [Auto]

Configuration options: [Disabled] [Enabled]

Page Poilcy [Open]

Configuration options: [Closed] [Open]

Adaptive Page [Disabled]

Configuration options: [Disabled] [Enabled]

Data Scramble [Enabled]

Configuration options: [Disabled] [Enabled]

Split Below 4 GB [Disabled]

Configuation options: [Disabled] [Auto]

Channel Interleaving [6:1]

Allows you to set the channel interleaving setting. Configuation options: [1:1] [2:1] [4:1] [6:1]

Rank Interleaving [4:1]

Allows you to set the rank interleaving setting. Configuation options: [1:1] [2:1] [4:1]

Memory Thermal Throttling [Disabled]

[CLTT] is for closed loop thermal throttling and [OLTT] for open loop thermal throttling. Configuration options: [CLTT] [OLTT] [Disabled] [Auto]

Force VDD 1.5V [Disabled]

Configuration options: [Disabled] [Enabled]

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North Bridge Conguration

The North Bridge Configuration menu shows the auto-detected Northbridge values.

Advanced

NorthBridge Chipset Conguration

NB Revision :C2 Current CSI Frequency :5.866GT

BIOS SETUP UTILITY

South Bridge Conguration

Advanced

CPU Bridge Chipset Conguration

USB Functions [Enabled] USB Port Congure [8+4 USB Ports]

USB 2.0 Controller [Enabled]

SLP_S4# Min. Assertion Width [1 to 2 seconds]

BIOS SETUP UTILITY

←→ Select Screen ↑↓ Select Item

Enter Go to Sub Screen F1 General Help F10 Save and Exit ESC Exit

Options

Disabled Enabled

←→ Select Screen ↑↓ Select Item

+- Change Option F1 General Help F10 Save and Exit ESC Exit

USB Functions [Enabled]

Allows you to configure the amount of USB ports to be enabled. Configuration options: [Disabled] [2 USB Ports] [3 USB Ports] [4 USB Ports]

USB Port Congure [8+4 USB Ports]

This item disappears when you set the Configuration options: [6+6 USB Ports] [8+4 USB Ports]

USB Functions

item to [Disabled].

USB 2.0 Controller [Enabled]

Allows you to enable or disable the USB 2.0 controller. Configuration options: [Enabled] [Disabled]

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SLP_S4# Min. Assertion Width [1 to 2 seconds]

Configuration options: [4 to 5 seconds] [3 to 4 seconds] [2 to 3 seconds] [1 to 2 seconds]

Intel VT-d Conguration

Advanced

Inel VT-d [Disabled]

Configuration options: [Disabled] [Enabled]

BIOS SETUP UTILITY

Options

Disabled Enabled

←→ Select Screen ↑↓ Select Item

+- Change Option F1 General Help F10 Save and Exit ESC Exit

4.4.3 Legacy Device Conguration

Advanced

Legacy Device Conguration

Serial Port1 Address [3F8/IRQ4] Serial Port2 Address [2F8/IRQ3]

BIOS SETUP UTILITY

Allows BIOS to Enable or Disable Floppy Controller.

←→ Select Screen ↑↓ Select Item

+- Change Option F1 General Help F10 Save and Exit ESC Exit

Serial Port1 Address [3F8/IRQ4]

Allows you to select the Serial Port1 base address. Configuration options: [Disabled] [3F8/IRQ4] [3E8/IRQ4] [2E8/IRQ3]

Serial Port2 Address [2F8/IRQ3]

Allows you to select the Serial Port2 base address. Configuration options: [Disabled] [2F8/IRQ3] [3E8/IRQ4] [2E8/IRQ3]

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4.4.4 USB Conguration

Advanced

USB Conguration

Module Version - 2.24.3-13.4

USB Devices Enabled :

None

Legacy USB Support [Enabled] USB 2.0 Controller Mode [HiSpeed] BIOS EHCI Hand-Off [Enabled]

Legacy USB Support [Enabled]

Allows you to enable or disable support for legacy USB devices. Setting to [Auto] allows the system to detect the presence of USB devices at startup. If detected, the USB controller legacy mode is enabled. If no USB device is detected, the legacy USB support is disabled. Configuration options: [Disabled] [Enabled] [Auto]

BIOS SETUP UTILITY

Enables support for legacy USB. AUTO option disables legacy support if no USB devices are connected.

←→ Select Screen ↑↓ Select Item

+- Change Option F1 General Help F10 Save and Exit ESC Exit

The following item appears only when you set

Legacy USB Support

[Enabled].

USB 2.0 Controller Mode [HiSpeed]

Allows you to set the USB 2.0 controller to HiSpeed (480Mbps) or FullSpeed (12Mbps). Configuration options: [FullSpeed] [HiSpeed]

BIOS EHCI Hand-Off [Enabled]

Enables or disables the BIOS EHCI hand-off support. Configuration options: [Disabled] [Enabled]

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4.4.5 PCIPnP Conguration

The PCIPnP Configuration menu items allow you to change the advanced settings for PCI/PnP devices.

Take caution when changing the settings of the PCI/PnP Configuration menu items. Incorrect field values can cause the system to malfunction.

Advanced

Advanced PCI/PnP Settings

WARNING: Setting wrong values in below sections may cause system to malfunction.

Plug And Play O/S [No]

PCI Option ROM Scan Order [Bus 0 First] Onboard Option ROM Priority [High]

Onboard LAN1 Chip [Enabled] Onboard LAN2 Chip [Enabled]

Onboard LAN1 Boot [PXE] Onboard LAN2 Boot [PXE]

BIOS SETUP UTILITY

NO: lets the BIOS congure all the devices in the system. YES: lets the operating system congure Plug and Play (PnP) devices not required for boot if your system has a Plug and Play operating system.

←→ Select Screen ↑↓ Select Item

+- Change Option F1 General Help F10 Save and Exit ESC Exit

Plug And Play O/S [No]

When set to [No], BIOS configures all the devices in the system. When set to [Yes] and if you install a Plug and Play operating system, the operating system configures the Plug and Play devices not required for boot. Configuration options: [No] [Yes]

PCI Option ROM Scan Order [Bus 0 First]

Allows you to select the PCI option ROM scanning order. The scanning of the option ROM will start from the lowest bus, device, fucntion number if you set this item to [Bus 0 First]; the scanning starts from the highest bus, device, function number if you set this item to [Bus N First]. Configuration options: [Bus 0 First] [Bus N First]

Onboard Option ROM Priority [High]

Allows you to select the onboard option ROM priority. Configuration options: [Normal] [High]

Onboard LAN1/2 Chip [Enabled]

Allows you to enable or disable the onboard LAN1/2 chip. Configuration: [Disabled] [Enabled]

Onboard LAN1/2 Boot [PXE]

Allows you to configure the onboard LAN1/2 boot mode. Configuration: [Disabled] [PXE] [iSCSI]

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4.4.6 Power On Conguration

Advanced

APM Conguration

Restore on AC Power Loss [Last State]

Resume On Ring [Disabled] Resume On PME#(Wake On LAN) [Disabled] Resume On RTC Alarm [Disabled]

Restore on AC Power Loss [Last State]

When set to [Power Off], the system goes into off state after an AC power loss. When set to [Power On], the system will reboot after an AC power loss. When set to [Last State], the system goes into either off or on state, whatever the system state was before the AC power loss. Configuration options: [Power Off] [Power On] [Last State]

Resume On Ring [Disabled]

When set to [Enabled], the system enables RI to generate a wake event while the computer is in Soft-off mode. Configuration options: [Disabled] [Enabled]

BIOS SETUP UTILITY

Options

Power Off Power On Last State

←→ Select Screen ↑↓ Select Item

+- Change Option F1 General Help F10 Save and Exit ESC Exit

Resume On PME# (Wake On LAN) [Disabled]

When set to [Enabled], the system enables PME to generate a wake event while the computer is in Soft-off mode. Configuration options: [Disabled] [Enabled]

Resume On RTC Alarm [Disabled]

Allows you to enable or disable RTC to generate a wake-up event. Configuration options: [Disabled] [Enabled]

The following items appear only when the to [Enabled].

RTC Alarm Date [15]

To set the alarm date, highlight this item and press the <+> or <-> key to make the selection.

System Time [12:30:30]

Use the <ENTER>, <TAB> or <SHIFT-TAB> key to select a field. Use the <+> or <-> key to configure alarm time.

Resume On RTC Alarm

item is set

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4.4.7 Event Log Conguration

Main Advanced

Event Logging details

View Event Log Clear Event Log

BIOS SETUP UTILITY

View Event Log

Press <Enter> to read all the unread event log.

Clear Event Log

Press <Enter> to clear all events on the event log.

4.4.8 Hardware Monitor

Advanced

Hardware Monitor

CPU1 Temperature [ 27.5ºC/ 81.5ºF] CPU2 Temperature [ 0 ºC/ 32 ºF] TR1 Temperature [ N/A ] TR2 Temperature [ N/A ] Front Fan1 Speed [5357RPM ] Front Fan2 Speed [ N/A ] Front Fan3 Speed [ N/A ] Front Fan4 Speed [ N/A ] Fan Speed Control [High Density Mode] VCORE1 Voltage [ 1.052 V]

VCORE2 Voltage [ N/A ]

+1.5V_P1DDR3 Voltage [ 1.508 V]

+1.5V_P2DDR3 Voltage [ N/A ]

+1.5V_ICH Voltage [ 1.520 V] P1VTT Voltage [ 1.022 V] P2VTT Voltage [ 1.022 V] +1.1V_IOH Voltage [ 0.204 V] +12V Voltage [12.000 V]

Scroll down for more items.

+5V Voltage [ 5.196 V] +3.3V Voltage [ 3.246 V] +5VSB Voltage [ 5.132 V] +3.3VSB Voltage [ 3.198 V] VBAT Voltage [ 3.126 V]

BIOS SETUP UTILITY

View all unread events on the Event Log.

CPU1 Temperature

←→ Select Screen ↑↓ Select Item

+- Change Option F1 General Help F10 Save and Exit ESC Exit

←→ Select Screen ↑↓ Select Item

+- Change Option F1 General Help F10 Save and Exit ESC Exit

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CPU1/2; TR1/2 Temperature [xxxºC/xxxºF]

The onboard hardware monitor automatically detects and displays the CPU temperature and the temperature of the device you would like to monitor. Select [Ignored] if you do not wish to display the detected temperatures.

Front Fan1–4 Speed [xxxxRPM] or [Ignored] / [N/A]

The onboard hardware monitor automatically detects and displays the speed of CPU fans, front fans, and rear fans in rotations per minute (RPM). If the fan is not connected to the motherboard, the field shows [N/A].

Fan Speed Control [High Density Mode]

Allows you to configure the ASUS Smart Fan feature that smartly adjusts the fan speeds for more efficient system operation. Configuration options: [Full Speed Mode] [Whisper Mode] [Generic Mode] [High Density Mode]

VCORE1/2 Voltage, +1.5V_P1/2DDR3 Voltage, +1.5V_ICH Voltage, P1/2VTT Voltage, +1.1V_IOH Voltage, +12V Voltage, +5V Voltage, +3.3V Voltage, +5VSB Voltage, +3.3VSB Voltage, VBAT Voltage

The onboard hardware monitor automatically detects the voltage output through the onboard voltage regulators. Select [Ignored] if you do not want to detect this item.

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4.4.9 I/O Virtualization

Advanced

Congure I/O Virtualization Parameters

SR-IOV Supported [Disabled]

Configuration options: [Disabled] [Enabled]

BIOS SETUP UTILITY

4.4.10 PCI Express Conguration

Advanced

PCI Express Conguration

Active State Power-Management [Disabled]

BIOS SETUP UTILITY

Options

Enabled Disabled

←→ Select Screen ↑↓ Select Item

+- Change Option F1 General Help F10 Save and Exit ESC Exit

Enable/Disable PCI Express L0s and L1 link power states.

←→ Select Screen ↑↓ Select Item

+- Change Option F1 General Help F10 Save and Exit ESC Exit

Active State Power-Management [Disabled]

Enables or disables the PCI Express L0s and L1 link power states. Configuration options: [Disabled] [Enabled]

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ASUS Z8NH-D12 Series 4-31

4.4.11 ACPI Conguration

Advanced

ACPI Settings

Advanced ACPI Conguration Chipset ACPI Conguration General WHEA Conguration

BIOS SETUP UTILITY

Advanced ACPI Conguration

Advanced

Advanced ACPI Conguration

ACPI 2.0 Support [Enabled] ACPI APIC support [Enabled] BIOS-->AML ACPI table [Enabled] Headless mode [Disabled]

BIOS SETUP UTILITY

Advanced ACPI Conguration settings.

Use this section to congure additional ACPI options.

←→ Select Screen ↑↓ Select Item

+- Change Option F1 General Help F10 Save and Exit ESC Exit

Add additional tables as per ACPI 2.0 specications.

ACPI 2.0 Support [Enabled]

Specifies the Advanced Configuration and Power Interface (ACPI) version supported. Configuration options: [Disabled] [Enabled]

ACPI APIC Support [Enabled]

Allows you to enable or disable the Advanced Configuration and Power Interface (ACPI) support in the Advanced Programmable Interrupt Controller (APIC). When set to [Enabled], the ACPI APIC table pointer is included in the RSDT pointer list. Configuration options: [Disabled] [Enabled]

BIOS-->AML ACPI table [Enabled]

Allows you to include the BIOS-->AML exchange table pointer to (X)RSDT pointer list.Configuration options: [Disabled] [Enabled]

Headless mode [Disabled]

Allows you to enable or disable the Headless operation mode through ACPI. Configuration options: [Disabled] [Enabled]

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Chipset ACPI Conguration

Advanced

South Bridge ACPI Conguration

APIC ACPI SCI IRQ [Disabled] High Performance Event Timer [Enabled] HPET Memory Address [FED00000h]

APIC ACPI SCI IRQ [Disabled]

Allows you to enable or disable the APIC ACPI SCI IRQ feature. Configuration options: [Disabled] [Enabled]

High Performance Event Timer [Enabled]

Allows you to enable or disable the High Performance Event Timer feature. Configuration options: [Disabled] [Enabled]

HPET Memory Address [FED00000h]

Allows you to select the HPET Memory address. Configuration options: [FED00000h] [FED01000h] [FED02000h] [FED03000h]

BIOS SETUP UTILITY

Enable/Disable APIC ACPI SCI IRQ

General WHEA Conguration

Advanced

General WHEA Conguration

WHEA Support [Enabled]

BIOS SETUP UTILITY

Enable or disable Windows Hardware Error Architecture.

WHEA Support [Enabled]

Allows you to enable or disable the Windows Hardware Error Architecture (WHEA) support.Configuration options: [Disabled] [Enabled]

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4.5 Server menu

Main Advanced Server Boot Exit

Remote Access Conguration

BIOS SETUP UTILITY

Congure Remote Access.

←→ Select Screen ↑↓ Select Item

+- Change Option F1 General Help F10 Save and Exit ESC Exit

4.5.1 Remote Access Conguration

The items in this menu allows you to configure the Remote Access features. Select an item then press <Enter> to display the configuration options.

Server

Congure Remote Access type and parameters

Remote Access [Enabled]

Serial port number [COM2]

Base Address, IRQ [2F8h, 3]

Serial Port Mode [57600 8,n,1] Flow Control [Hardware] Redirection After BIOS POST [Disabled] Terminal Type [VT-UTF8]

BIOS SETUP UTILITY

Select Remote Access type.

←→ Select Screen ↑↓ Select Item

+- Change Option F1 General Help F10 Save and Exit ESC Exit

Remote Access [Enabled]

Enables or disables the remote access feature. Configuration options: [Disabled] [Enabled]

The following items appear only when Remote Access is set to [Enabled].

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Serial port number [COM2]

Selects the serial port for console redirection. Configuration options: [COM1] [COM2]

Base Address. IRQ [2F8h, 3]

This item is not user-configurable and changes with the configuration of

Serial port number.

Serial Port Mode [57600 8,n,1]

Sets the Serial port mode. Configuration options: [115200 8,n,1] [57600 8,n,1] [38400 8,n,1] [19200 8,n,1] [09600 8,n,1]

Flow Control [Hardware]

Allows you to select the flow control for console redirection. Configuration options: [None] [Hardware] [Software]

Redirection After BIOS POST [Disabled]

Sets the redirection mode after the BIOS Power-On Self-Test (POST). Some operating system may not work when set to [Always]. Configuration options: [Disabled] [Boot Loader] [Always]

Terminal Type [VT-UTF8]

Allows you to select the target terminal type. Configuration options: [ANSI] [VT100] [VT-UTF8]

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ASUS Z8NH-D12 Series 4-35

4.6 Boot menu

The Boot menu items allow you to change the system boot options. Select an item then press <Enter> to display the sub-menu.

Main Advanced Server Boot Exit

Boot Settings

Boot Device Priority

Boot Settings Conguration Security

4.6.1 Boot Device Priority

Boot

Boot Device Priority

1st Boot Device [Removable Dev.] 2nd Boot Device [ATAPI CD-ROM] 3rd Boot Device [Hard Drive] 4th Boot Device [Network:IBA GE Slo] 5th Boot Device [Network:IBA GE Slo]

BIOS SETUP UTILITY

Species the Boot Device Priority sequence.

A virtual oppy disk drive (Floppy Drive B: ) may appear when you set the CD-ROM drive as the rst boot device.

←→ Select Screen ↑↓ Select Item

Enter Go to Sub Screen F1 General Help F10 Save and Exit ESC Exit

Species the Boot Device Priority sequence.

A device enclosed in parenthesis has been disabled in the corresponding type menu.

←→ Select Screen ↑↓ Select Item

+- Change Option F1 General Help F10 Save and Exit ESC Exit

1st—xxth Boot Device [XXXXXXX]

These items specify the boot device priority sequence from the available devices. The number of device items that appears on the screen depends on the number of devices installed in the system. Configuration options: [xxxxx Drive] [Disabled]

4.6.2 Hard Disk Drives; CDROM Drives

These two items appear only when you install more than two hard disk drives or optical drives to you system. These items allows you to specify the boot priority sequence of the hard disk drives or the optical drives.

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4.6.3 Boot Settings Conguration

Boot

Boot Settings Conguration

Quick Boot [Enabled] Full Screen Logo [Enabled] AddOn ROM Display Mode [Force BIOS] Bootup Num-Lock [On] Wait For ‘F1‘ If Error [Enabled] Hit ‘DEL‘ Message Display [Enabled] Interrupt 19 Capture [Enabled]

Quick Boot [Enabled]

Enabling this item allows the BIOS to skip some power on self tests (POST) while booting to decrease the time needed to boot the system. When set to [Disabled], BIOS performs all the POST items. Configuration options: [Disabled] [Enabled]

Full Screen Logo [Enabled]

Allows you to enable or disable the full screen logo display feature. Configuration options: [Disabled] [Enabled]

Set this item to [Enabled] to use the ASUS MyLogo2™ feature.

BIOS SETUP UTILITY

Allows BIOS to skip certain tests while booting. This will decrease the time needed to boot the system.

←→ Select Screen ↑↓ Select Item

+- Change Option F1 General Help F10 Save and Exit ESC Exit

AddOn ROM Display Mode [Force BIOS]

Allows you to set the display mode for Options ROM. Configuration options: [Force BIOS] [Keep Current]

Bootup Num-Lock [On]

Allows you to select the power-on state for the NumLock. Configuration options: [Off] [On]

Wait For ‘F1‘ If Error [Enabled]

When set to [Enabled], the system waits for the <F1> key to be pressed when error occurs. Configuration options: [Disabled] [Enabled]

Hit ‘DEL‘ Message Display [Enabled]

When set to [Enabled], the system displays the message “Press DEL to run Setup” during POST. Configuration options: [Disabled] [Enabled]

Interrupt 19 Capture [Enabled]

When set to [Enabled], this function allows the option ROMs to trap Interrupt 19. Configuration options: [Disabled] [Enabled]

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4.6.4 Security

The Security menu items allow you to change the system security settings. Select an item then press <Enter> to display the configuration options.

Boot

Security Settings

Supervisor Password : Not Installed User Password : Not Installed

Change Supervisor Password Change User Password

Change Supervisor Password

Select this item to set or change the supervisor password. The Supervisor Password item on top of the screen shows the default Not Installed. After you set

a password, this item shows Installed.

To set a Supervisor Password:

1. Select the Change Supervisor Password item and press <Enter>.

2. From the password box, type a password composed of at least six letters and/or numbers, then press <Enter>.

3. Confirm the password when prompted.

The message Password Installed appears after you successfully set your password.

To change the supervisor password, follow the same steps as in setting a user password.

To clear the supervisor password, select the Change Supervisor Password then press <Enter>. The message Password Uninstalled appears.

BIOS SETUP UTILITY

<Enter> to change password. <Enter> again to disable password.

←→ Select Screen ↑↓ Select Item

Enter Change F1 General Help F10 Save and Exit ESC Exit

If you forget your BIOS password, you can clear it by erasing the CMOS Real Time Clock (RTC) RAM. See section 2.6 Jumper for information on how to erase the RTC RAM.

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After you have set a supervisor password, the other items appear to allow you to change other security settings.

Main Advanced Server Power Boot Tools Exit

Supervisor Password : Installed User Password : Not Installed

Change Supervisor Password User Access Level [Full Access] Change User Password Password Check [Setup]

BIOS SETUP UTILITY

<Enter> to change password. <Enter> again to disable password.

User Access Level [Full Access]

This item allows you to select the access restriction to the Setup items. Configuration options: [No Access] [View Only] [Limited] [Full Access]

[No Access] prevents user access to the Setup utility.

[View Only] allows access but does not allow change to any field.

[Limited] allows changes only to selected fields, such as Date and Time.

[Full Access] allows viewing and changing all the fields in the Setup utility.

Change User Password

Select this item to set or change the user password. The User Password item on top of the screen shows the default Not Installed. After you set a password, this item shows Installed.

To set a User Password:

1. Select the Change User Password item and press <Enter>.

2. On the password box that appears, type a password composed of at least six letters and/or numbers, then press <Enter>.

3. Confirm the password when prompted.

The message Password Installed appears after you set your password successfully.

To change the user password, follow the same steps as in setting a user password.

Password Check [Setup]

When set to [Setup], BIOS checks for user password when accessing the Setup utility. When set to [Always], BIOS checks for user password both when accessing Setup and booting the system. Configuration options: [Setup] [Always]

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4.7 Exit menu

The Exit menu items allow you to load the optimal or failsafe default values for the BIOS items, and save or discard your changes to the BIOS items.

Main Advanced Server Boot Exit

Exit Options

Exit & Save Changes Exit & Discard Changes Discard Changes

Load Setup Defaults

Pressing <Esc> does not immediately exit this menu. Select one of the options from this menu or <F10> from the legend bar to exit.

Exit & Save Changes

Once you are finished making your selections, choose this option from the Exit menu to ensure the values you selected are saved to the CMOS RAM. An onboard backup battery sustains the CMOS RAM so it stays on even when the PC is turned off. When you select this option, a confirmation window appears. Select YES to save changes and exit.

BIOS SETUP UTILITY

Exit system setup after saving the changes.

F10 key can be used for this operation.

←→ Select Screen ↑↓ Select Item

Enter Go to Sub Screen F1 General Help F10 Save and Exit ESC Exit

If you attempt to exit the Setup program without saving your changes, the program prompts you with a message asking if you want to save your changes before exiting. Press <Enter> to save the changes while exiting.

Exit & Discard Changes

Select this option only if you do not want to save the changes that you made to the Setup program. If you made changes to fields other than System Date, System Time, and Password, the BIOS asks for a confirmation before exiting.

Discard Changes

This option allows you to discard the selections you made and restore the previously saved values. After selecting this option, a confirmation appears. Select

YES to discard any changes and load the previously saved values.

Load Setup Defaults

This option allows you to load the default values for each of the parameters on the Setup menus. When you select this option or if you press <F5>, a confirmation window appears. Select YES to load default values. Select Exit & Save Changes or make other changes before saving the values to the non-volatile RAM.

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ASUS Z8PH-D12 SE QDR, Z8PH-D12IFB, Z8NH-D12 User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual

Notices

Safety information

About this guide

Typography