Intel BLKDX79TO User Manual

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Intel® Desktop Board DX79TO

Product Guide

Order Number: G44000-001

Revision History

Revision

Revision History

Date

-001

First release of the Intel® Desktop Board DX79TO Product Guide

October 2011

Disclaimer

INFORMATION IN THIS DOCUMENT IS PROVIDED IN CONNECTION WITH INTEL® PRODUCTS. NO LICENSE, EXPRESS OR IMPLIED, BY ESTOPPEL OR OTHERWISE, TO ANY INTELLECTUAL PROPERTY RIGHTS IS GRANTED BY THIS DOCUMENT. EXCEPT AS PROVIDED IN INTEL’S TERMS AND CONDITIONS OF SALE FOR SUCH PRODUCTS, INTEL ASSUMES NO LIABILITY WHATSOEVER, AND INTEL DISCLAIMS ANY EXPRESS OR IMPLIED WARRANTY, RELATING TO SALE AND/OR USE OF INTEL PRODUCTS INCLUDING LIABILITY OR WARRANTIES RELATING TO FITNESS FOR A PARTICULAR PURPOSE, MERCHANTABILITY, OR INFRINGEMENT OF ANY PATENT, COPYRIGHT OR OTHER INTELLECTUAL PROPERTY RIGHT. Intel products are not intended for use in medical, life saving, or life sustaining applications. Intel may make changes to specifications and product descriptions at any time, without notice.

Intel Desktop Board DX79TO may contain design defects or errors known as errata which may cause the product to deviate from published specifications. Current characterized errata are available on request.

Contact your local Intel sales office or your distributor to obtain the latest specifications and before placing your product order.

Copies of documents which have an ordering number and are referenced in this document, or other Intel literature, may be obtained from Intel Corporation by going to the World Wide Web site at: http://www.intel.com/ or by calling 1-800-548-4725.

Intel, Intel Core, and Xeon are trademarks of Intel Corporation in the United States and/or other countries. * Other names and brands may be claimed as the property of others.

Copyright © 2011, Intel Corporation. All rights reserved.

Preface

This Product Guide gives information about board layout, component installation, BIOS update, and regulatory requirements for Intel® Desktop Board DX79TO.

Intended Audience

The Product Guide is intended for technically qualified personnel. It is not intended for general audiences.

Use Only for Intended Applications

All Intel Desktop Boards are evaluated as Information Technology Equipment (I.T.E.) for use in personal computers (PC) for installation in homes, offices, schools, computer rooms, and similar locations. The suitability of this product for other PC or embedded non-PC applications or other environments, such as medical, industrial, alarm systems, test equipment, etc. may not be supported without further evaluation by Intel.

Document Organization

The chapters in this Product Guide are arranged as follows:

1Desktop Board Features: a summary of product features

2Installing and Replacing Desktop Board Components: instructions on how to install the Desktop Board and other hardware components

3Updating the BIOS: instructions on how to update the BIOS

4Configuring for RAID: information about configuring your system for RAID

AError Messages and Indicators: information about BIOS error messages and beep codes

BRegulatory Compliance: describes the board’s adherence to safety standards and EMC regulations and its product certifications

Conventions

The following conventions are used in this manual:

CAUTION

Cautions warn the user about how to prevent damage to hardware or loss of data.

NOTE

Notes call attention to important information.

iii

Intel Desktop Board DX79TO Product Guide

Terminology

The table below gives descriptions of some common terms used in the product guide.

Term

Description

 

 

GB

Gigabyte (1,073,741,824 bytes)

 

 

GHz

Gigahertz (one billion hertz)

 

 

KB

Kilobyte (1024 bytes)

 

 

MB

Megabyte (1,048,576 bytes)

 

 

Mb

Megabit (1,048,576 bits)

 

 

MHz

Megahertz (one million hertz)

 

 

iv

Contents

1 Desktop Board Features

 

Supported Operating Systems..............................................................................

11

Desktop Board Components.................................................................................

12

Processor..........................................................................................................

14

System Memory.................................................................................................

15

Memory Configurations................................................................................

16

Intel® X79 Express Chipset..................................................................................

17

USB Support .....................................................................................................

17

USB 3.0 ....................................................................................................

17

USB 2.0 ....................................................................................................

17

Serial ATA.........................................................................................................

17

Audio Subsystem ...............................................................................................

18

LAN Subsystem .................................................................................................

18

Legacy I/O........................................................................................................

19

Expandability.....................................................................................................

19

BIOS................................................................................................................

20

Serial ATA and IDE Auto Configuration...........................................................

20

PCI and PCI Express* Auto Configuration .......................................................

20

Security Passwords.....................................................................................

20

Back to BIOS Button ...................................................................................

21

Hardware Management .......................................................................................

21

Hardware Monitoring and Fan Speed Control ..................................................

21

Chassis Intrusion........................................................................................

22

Power Management ............................................................................................

22

Software Support .......................................................................................

22

ACPI..................................................................................................

22

Hardware Support ......................................................................................

22

Power Connectors ...............................................................................

22

Fan Headers .......................................................................................

23

LAN Wake Capabilities..........................................................................

23

Instantly Available PC Technology..........................................................

23

+5 V Standby Power Indicator...............................................................

24

Wake from USB ..................................................................................

25

PME# Signal Wake-up Support..............................................................

25

WAKE# Signal Wake-up Support ...........................................................

25

Wake from Consumer IR ......................................................................

25

Onboard System Control Switches ........................................................................

25

Power Switch .............................................................................................

26

Reset Switch..............................................................................................

26

System Initialization/Board Status LEDs ................................................................

27

System Initialization LEDs............................................................................

28

Status LEDs...............................................................................................

29

Trusted Platform Module (TPM) ............................................................................

29

Speaker............................................................................................................

29

Battery.............................................................................................................

30

Real-Time Clock.................................................................................................

30

v

Intel Desktop Board DX79TO Product Guide

2

Installing and Replacing Desktop Board Components

 

 

Before You Begin ...............................................................................................

31

 

Installation Precautions.......................................................................................

32

 

Prevent Power Supply Overload ....................................................................

32

 

Observe Safety and Regulatory Requirements.................................................

32

 

Installing the I/O Shield ......................................................................................

33

 

Installing the Desktop Board................................................................................

34

 

Installing a Processor .........................................................................................

35

 

Installing a Processor Fan Heat Sink..............................................................

39

 

Installing and Removing Memory..........................................................................

40

 

Installing DIMMs ........................................................................................

40

 

Removing DIMMs........................................................................................

42

 

Installing and Removing PCI Express x16 Add-in Cards ...........................................

42

 

Installing PCI Express x16 Graphics Cards......................................................

42

 

Removing a PCI Express x16 Add-in Card.......................................................

43

 

Installing Linked PCI Express x16 Graphics Cards............................................

44

 

Connecting SATA Cables .....................................................................................

46

 

Connecting to the Internal Headers and Connectors ................................................

47

 

Front Panel Audio Header ............................................................................

48

 

Chassis Intrusion Header .............................................................................

48

 

IEEE 1394a Header.....................................................................................

48

 

Consumer IR (CIR) Headers .........................................................................

49

 

USB 2.0 Headers ........................................................................................

50

 

Front Panel Header .....................................................................................

50

 

Alternate Front Panel Power LED Header ........................................................

51

 

Connecting to the Audio System...........................................................................

51

 

Connecting Chassis Fan and Power Supply Cables...................................................

52

 

Connecting Chassis Fan Cables .....................................................................

52

 

Connecting Power Supply Cables ..................................................................

53

 

Setting the BIOS Configuration Jumper .................................................................

54

 

Clearing Passwords ............................................................................................

55

 

Replacing the Battery .........................................................................................

56

3

Updating the BIOS

 

 

Updating the BIOS with the Intel® Express BIOS Update Utility.................................

63

 

Updating the BIOS Using the F7 Function Key ........................................................

64

 

Updating the BIOS with the Intel® Flash Memory Update Utility ................................

64

 

Recovering the BIOS ..........................................................................................

65

4

Configuring for RAID Using Intel® Rapid Storage Technology

 

 

Configuring the BIOS ..................................................................................

67

 

Creating Your RAID Set ...............................................................................

67

 

Loading the Intel RST RAID Drivers and Software (Required for

 

 

Microsoft Windows XP Installation) ..........................................................

68

 

Setting Up a “RAID Ready” System ...............................................................

68

A

Error Messages and Indicators

 

 

BIOS Error Codes...............................................................................................

69

 

BIOS Error Messages ..........................................................................................

70

 

Port 80h POST Codes..........................................................................................

71

vi

 

 

Contents

B Regulatory Compliance

 

Safety Standards ...............................................................................................

75

 

Battery Caution ..........................................................................................

75

European Union Declaration of Conformity Statement..............................................

76

Product Ecology Statements ................................................................................

77

 

Recycling Considerations .............................................................................

77

 

China RoHS ...............................................................................................

80

EMC Regulations ................................................................................................

81

 

FCC Declaration of Conformity......................................................................

81

 

Canadian Department of Communications Compliance Statement......................

82

 

Japan VCCI Statement ................................................................................

82

 

Korea Class B Statement .............................................................................

83

 

Ensure Electromagnetic Compatibility (EMC) Compliance..................................

83

Product Certifications..........................................................................................

84

 

Board-Level Certifications ............................................................................

84

 

Chassisand Component-Level Certifications ..................................................

85

ENERGY STAR*, e-Standby, and ErP Compliance ....................................................

85

Figures

 

1.

Intel Desktop Board DX79TO Components........................................................

12

2.

Memory Channel and DIMM Configuration ........................................................

16

3.

LAN Connector LEDs .....................................................................................

19

4.

Location of the Back to BIOS Button................................................................

21

5.

Location of the Standby Power Indicator ..........................................................

24

6.

Onboard System Control Switches ..................................................................

26

7.

Location of the Diagnostic/Status LEDs ............................................................

27

8.

Installing the I/O Shield ................................................................................

33

9.

Intel Desktop Board DX79TO Mounting Screw Hole Locations..............................

34

10.

Unlatch the Socket Levers .............................................................................

35

11.

Open the Load Plate......................................................................................

36

12.

Install the Processor .....................................................................................

37

13.

Close the Load Plate .....................................................................................

38

14.

Installing a Fan Heat Sink and Connecting the Cable to the

 

 

Processor Fan Header....................................................................................

39

15.

Installing a DIMM .........................................................................................

41

16.

Installing a PCI Express x16 Card ...................................................................

43

17.

Removing a PCI Express x16 Card ..................................................................

44

18.

Installing Linked PCI Express Graphics Cards....................................................

45

19.

Connecting the Serial ATA Cables....................................................................

46

20.

Internal Headers ..........................................................................................

47

21.

Back Panel Audio Connectors .........................................................................

51

22.

Location of the Chassis Fan Headers................................................................

52

23.

Connecting Power Supply Cables ....................................................................

53

24.

Location of the BIOS Configuration Jumper Block ..............................................

54

25.

Removing the Battery ...................................................................................

61

26.

POST Code LED Display .................................................................................

71

27.

Intel Desktop Board DX79TO China RoHS Material Self Declaration Table..............

80

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Intel Desktop Board DX79TO Product Guide

 

Tables

 

1.

Feature Summary..........................................................................................

9

2.

Intel Desktop Board DX79TO Components........................................................

13

3.

LAN Connector LEDs .....................................................................................

19

4.

System Initialization LEDs..............................................................................

28

5.

Status LEDs.................................................................................................

29

6.

Front Panel Audio Header Signal Names...........................................................

48

7.

Chassis Intrusion Header Signal Names ...........................................................

48

8.

IEEE 1394a Header Signal Names ...................................................................

48

9.

Front Panel CIR Receiver (Input) Header Signal Names ......................................

49

10.

Back Panel CIR Header Emitter (Output) Header Signal Names ...........................

49

11.

USB 2.0 Header Signal Names........................................................................

50

12.

Front Panel Header Signal Names ...................................................................

50

13.

Alternate Front Panel Power LED Header Signal Names ......................................

51

14.

Jumper Settings for the BIOS Setup Program Modes..........................................

55

15.

BIOS Beep Codes .........................................................................................

69

16.

Front-panel Power LED Blink Codes .................................................................

69

17.

BIOS Error Messages ....................................................................................

70

18.

Port 80h POST Codes ....................................................................................

72

19.

Safety Standards..........................................................................................

75

20.

EMC Regulations...........................................................................................

81

21.

Regulatory Compliance Marks.........................................................................

84

viii

1 Desktop Board Features

This chapter briefly describes the features of Intel® Desktop Board DX79TO. Table 1 summarizes the major features of the Desktop Board.

Table 1. Feature Summary

Form Factor

ATX (304.80 millimeters [12.00 inches] x 243.84 millimeters

 

[9.60 inches])

 

 

Processor

Support for Intel® Core™ i7 and Intel® Xeon® processors in the

 

LGA2011 package with:

 

Two PCI Express* 3.0 x16 graphics interfaces (x16 electrical)

 

Quad-channel memory interface

 

 

Main Memory

Eight 240-pin DDR3 SDRAM Dual Inline Memory Module (DIMM)

 

sockets arranged in four channels with support for the following:

 

DDR3 2400 MHz, DDR3 2133 MHz, DDR3 1866 MHz, DDR3

 

 

1600 MHz, DDR3 1333 MHz, and DDR3 1066 MHz DIMMs

 

• ECC and non-ECC memory

 

1 Gb, 2 Gb, and 4 Gb memory technology

 

XMP memory

 

1.35 V low voltage memory (JEDEC standard)

 

Up to 64 GB of system memory using 4 Gb memory technology

 

Manual memory overclocking (voltage, clock, and ratio)

 

 

Chipset

Intel® X79 Express Chipset consisting of the Intel® X79 Platform

 

Controller Hub (PCH)

 

 

Graphics

Support for multiple PCI Express* graphics cards including linked cards

 

using Nvidia* SLI* technology and AMD* CrossFire X* technology

 

 

 

Audio

Independent multi-streaming 6-channel (5.1) audio and 2-channel

 

 

audio subsystem, featuring:

 

 

― Intel® High Definition Audio interface

 

 

― RealTek* ALC892 codec

 

HD Audio front panel header

 

 

 

Expansion

Two PCI Express 3.0 x16 connectors

Capabilities

Three PCI Express 2.0 x1 connectors

 

 

One PCI* bus connector

 

 

Legacy I/O Support

Nuvoton* Legacy I/O Controller that provides Consumer Infrared (CIR)

 

support

 

 

 

 

 

continued

9

Intel Desktop Board DX79TO Product Guide

Table 1. Feature Summary (continued)

Peripheral

Two USB 3.0 ports routed to the back panel

Interfaces

Fourteen USB 2.0 ports:

 

 

 

― Six ports routed to the back panel

 

 

― Eight ports routed to four onboard USB headers

 

Two IEEE 1394a ports:

 

 

― One port routed to the back panel

 

 

― One port routed to an IEEE 1394a header

 

Six Serial ATA (SATA) channels through the Intel X79 PCH:

 

 

― Two onboard 6.0 Gb/s SATA channels (blue connectors)

 

 

― Four onboard 3.0 Gb/s SATA channels (black connectors)

 

 

LAN Support

Gigabit (10/100/1000 Mb/s) LAN subsystem using an Intel® 82579LM

 

Gigabit Ethernet Controller

 

 

 

BIOS

Intel® BIOS resident in an SPI Flash device

 

Support for Advanced Configuration and Power Interface (ACPI), Plug

 

 

and Play, and SMBIOS

 

Fast Boot

 

Support for advanced overclocking

 

 

 

Power Management

Support for the Advanced Configuration and Power Interface (ACPI)

 

 

specification

 

Suspend to RAM (STR)

 

Wake on USB, PCI, PCI Express, LAN, CIR, and front panel

 

ENERGY STAR* capable

 

 

 

Hardware

Hardware monitoring and fan control through the Nuvoton I/O

Management

 

controller

 

Voltage sense to detect out of range power supply voltages

 

Thermal sense to detect out of range thermal values

 

Four fan headers using PWM control

 

Four fan sense inputs used to monitor fan activity

 

Fan speed control using voltage control (4-pin fan headers for

 

 

processor, front, rear, and auxiliary fans) with selectable support in

 

 

the BIOS for 3-wire fans

 

Support for the Platform Environmental Control Interface (PECI)

 

 

 

10

Desktop Board Features

Supported Operating Systems

The Desktop Board provides full support for the following operating systems:

Microsoft Windows* 7 Ultimate (64-bit and 32-bit editions)

Microsoft Windows 7 Professional (64-bit and 32-bit editions)

Microsoft Windows 7 Home Premium (64-bit and 32-bit editions)

Microsoft Windows 7 Starter (64-bit and 32-bit editions)

Microsoft Windows Vista* Ultimate (64-bit and 32-bit editions)

Microsoft Windows Vista Business (64-bit and 32-bit editions)

Microsoft Windows Vista Home Premium (64-bit and 32-bit editions)

Microsoft Windows Vista Home Basic (64-bit and 32-bit editions)

The Desktop Board provides minimal BIOS and driver support for the following operating systems:

Microsoft Windows* XP Home

Microsoft Windows XP Professional

Microsoft Windows XP Professional x64 Edition

Microsoft Windows XP Media Center Edition 2005

11

Intel Desktop Board DX79TO Product Guide

Desktop Board Components

Figure 1 shows the approximate location of the major components on Intel Desktop Board DX79TO.

Figure 1. Intel Desktop Board DX79TO Components

12

Desktop Board Features

Table 2. Intel Desktop Board DX79TO Components

Label

Description

 

 

A

Front panel audio header

 

 

B

PCI Express x1 connector

 

 

C

PCI Express x1 connector

 

 

D

Speaker

 

 

E

PCI bus connector

 

 

F

PCI Express 3.0 x16 connector

 

 

G

PCI Express x1 connector

 

 

H

PCI Express 3.0 x16 connector

 

 

I

Rear chassis fan header

 

 

J

Battery

 

 

K

Back panel connectors

 

 

L

Processor fan header

 

 

M

DIMM 1 socket

 

 

N

DIMM 5 socket

 

 

O

DIMM 2 socket

 

 

P

DIMM 6 socket

 

 

Q

Processor socket

 

 

R

12 V processor core voltage connector (2 x 4 pin)

 

 

S

DIMM 8 socket

 

 

T

DIMM 4 socket

 

 

U

DIMM 7 socket

 

 

V

DIMM 3 socket

 

 

W

Main power connector (2 x 12 pin)

 

 

X

Front chassis fan header

 

 

Y

Serial ATA connectors (6 Gb/s)

 

 

Z

Serial ATA connectors (3 Gb/s)

 

 

AA

Intel X79 Express Chipset

 

 

BB

USB 2.0 front panel headers

 

 

CC

Back panel CIR transmitter (output) header

 

 

DD

BIOS configuration jumper block

 

 

EE

Power fault LED

 

 

FF

Alternate front panel power LED header

 

 

GG

Front panel CIR receiver (input) header

 

 

HH

Voltage measurement test points

 

 

II

Front panel header

 

 

JJ

POST code LED display

 

 

KK

IEEE 1394a header

 

 

LL

Reset button

 

 

MM

Power button

 

 

NN

Chassis intrusion header

 

 

OO

Auxiliary chassis fan header

 

 

PP

System initialization/status LEDs

 

 

13

Intel Desktop Board DX79TO Product Guide

Online Support

For more information on Intel Desktop Board DX79TO consult the following online resources:

Intel Desktop Board DX79TO

http://www.intel.com/products/motherboard/index.htm

Desktop Board Support

http://www.intel.com/p/en_US/support?iid=hdr+support

Available configurations for

http://ark.intel.com

 

Intel Desktop Board DX79TO

 

Supported processors

http://processormatch.intel.com

Chipset information

http://www.intel.com/products/desktop/chipsets/index.htm

BIOS and driver updates

http://downloadcenter.intel.com/

Integration information

http://www.intel.com/support/go/buildit

Processor

CAUTION

Failure to use an appropriate power supply and/or not connecting the 12 V (2 x 4 pin) power connector to the Desktop Board may result in damage to the board, or the system may not function properly.

Intel Desktop Board DX79TO supports an Intel processor in the LGA2011 package. Processors are not included with the Desktop Board and must be purchased separately. The processor connects to the Desktop Board through the LGA1366 socket.

Go to the following page or link for more information about:

Instructions on installing or upgrading the processor, page 35 in Chapter 2

Supported processors for Intel Desktop Board DX79TO, http://processormatch.intel.com

14

Desktop Board Features

System Memory

NOTE

To be fully compliant with all applicable Intel® SDRAM memory specifications, the board should be populated with DIMMs that support the Serial Presence Detect (SPD) data structure. If your memory modules do not support SPD, you will see a notification to this effect on the screen at power up. The BIOS will attempt to configure the memory controller for normal operation.

The Desktop Board supports the following memory and interface:

Eight 240-pin Double Data Rate 3 (DDR3) SDRAM Dual Inline Memory Module (DIMM) connectors with gold-plated contacts arranged in four channels

2400/2133/1866/1600/1333/1066 MHz DDR3 SDRAM DIMM

XMP performance profile support for memory speeds above 1600 MHz

Full support for memory overclocking (see

www.intel.com/support/motherboards/desktop/sb/CS-031689.htm for information on overclocking)

Support for single-channel configurations and dual-, tri-, and quad-channel memory interleaving

Unbuffered, non-registered single or double-sided DIMMs with a voltage rating of

1.65V or less including support for 1.35 V (JEDEC specification) memory

ECC and non-ECC memory (requires a processor that supports ECC memory)

Serial Presence Detect

Minimum total system memory of 1 GB

Up to 64 GB maximum total system memory

NOTE

32-bit operating systems are limited to a maximum of 4 GB of memory. The operating system may report less than 4 GB because of the memory used by add-in PCI Express graphics cards.

CAUTION

1.5 V is the recommended and default setting for DDR3 memory voltage. The other memory voltage settings in the BIOS Setup program are provided for performance tuning purposes only. Altering the memory voltage may (i) reduce system stability and the useful life of the system, memory, and processor; (ii) cause the processor and other system components to fail; (iii) cause reductions in system performance; (iv) cause additional heat or other damage; and (v) affect system data integrity. Intel has not tested and does not warranty the operation of the processor beyond its specifications. For information on the processor warranty, refer to

http://www.intel.com/support/processors/sb/CS-020033.htm?wapkw=(processor+warranty).

Intel assumes no responsibility that the memory installed on the desktop board, if used with altered clock frequencies and/or voltages, will be fit for any particular purpose. Check with the memory manufacturer for warranty terms and additional details.

15

Intel Desktop Board DX79TO Product Guide

Memory Configurations

The Intel Core i7 and Intel Xeon processors support the following types of memory organization:

Quad-channel (Interleaved) mode. Quad-channel mode offers the highest throughput for real world applications.

Tri-channel (Interleaved) mode. Tri-channel mode is enabled when the installed memory capacities of any three DIMM channels are equal.

Dual-channel (Interleaved) mode. Dual-channel mode is enabled when the installed memory capacities of both DIMM channels are equal. Technology and device width can vary from one channel to the other but the installed memory capacity for each channel must be equal. If different speed DIMMs are used between channels, the slowest memory timing will be used.

Single-channel (Asymmetric) mode. This mode is equivalent to single-channel bandwidth operation for real world applications. This mode is used when only a single DIMM is installed or the channel memory capacities are unequal. Technology and device width can vary from one channel to the other. If different speed DIMMs are used between channels, the slowest memory timing will be used.

Figure 2 shows the board’s memory channel and DIMM configuration

Figure 2. Memory Channel and DIMM Configuration

For information on installing memory, refer to page 40 in Chapter 2.

16

Desktop Board Features

Intel® X79 Express Chipset

The Intel X79 Express Chipset consisting of the Intel X79 Platform Controller Hub (PCH) provides interfaces to the processor and the USB, SATA, LAN, PCI, and PCI Express interfaces. The PCH is the centralized controller for the board’s I/O paths.

Go to the following link for more information about the Intel X79 Express Chipset: http://developer.intel.com/products/chipsets/index.htm

USB Support

The Desktop Board supports USB 3.0 and USB 2.0 devices.

USB 3.0

USB 3.0 is supported with two USB 3.0 ports (blue) on the back panel. USB 3.0 ports are backward compatible with USB 2.0 and USB 1.1 devices. The USB 3.0 ports are SuperSpeed, high-speed, full-speed, and low-speed capable. USB 3.0 support requires both an operating system and drivers that fully support USB 3.0 transfer rates.

USB 2.0

There are 14 USB 2.0 ports (six ports routed to back panel connectors (black) and eight ports routed to three onboard headers (black)). The USB 2.0 ports are highspeed, full-speed, and low-speed capable. USB 2.0 support requires both an operating system and drivers that fully support USB 2.0 transfer rates.

Serial ATA

The board provides two 6.0 Gb/s Serial ATA (SATA) channels (blue connectors) and four 3.0 Gb/s SATA channels (black connectors).

The four 3.0 Gb/s SATA channels support the following RAID (Redundant Array of Independent Drives) levels:

RAID 0 - data striping

RAID 1 - data mirroring

RAID 0+1 (or RAID 10) - data striping and data mirroring

RAID 5 - distributed parity

For information on configuring your system for RAID using Intel® Rapid Storage Technology (Intel® RST) see Chapter 4.

17

Intel Desktop Board DX79TO Product Guide

Audio Subsystem

The onboard audio subsystem consists of the following components:

Intel X79 Express Chipset

RealTek ALC892 codec

The subsystem has the following headers and connectors:

Three back panel analog audio connectors

High Definition (HD) Audio front panel header that provides mic in and line out signals for front panel audio connectors

The audio subsystem supports the following features:

Advanced jack sense for the back panel analog audio jacks that enables the audio codec to recognize the device that is connected to an audio port. The back panel audio jacks are capable of retasking according to the user’s definition, or can be automatically switched depending on the recognized device type.

A signal-to-noise (S/N) ratio of 95 dB.

Independent multi-streaming 6-channel (5.1) audio (using the back panel audio connectors) and 2-channel audio (using the Intel High Definition Audio front panel header).

Go to the following pages for more information about:

The location of the onboard audio headers, Figure 20 on page 47

The signal names for the Intel High Definition Audio front panel header, page 48

The back panel audio connectors, Figure 21 on page 51

LAN Subsystem

The board’s Gigabit (10/100/1000 Mb/s) LAN subsystem includes:

Intel X79 Express Chipset

Intel 82579LM Gigabit Ethernet LAN Controller

An RJ-45 LAN connector with integrated status LEDs

The subsystem features:

CSMA/CD protocol engine

LAN connect interface between the Intel PCH and the LAN controllers

PCI bus power management

ACPI technology support

LAN wake capabilities

Go to the following link for information about LAN software and drivers: http://www.intel.com/products/motherboard/index.htm

18

Desktop Board Features

Two LEDs are built into the RJ-45 LAN connector located on the back panel (see Figure 3). These LEDs indicate the status of the LAN.

Figure 3. LAN Connector LEDs

Table 3 describes the LED states when the board is powered up and the LAN subsystem is operating.

Table 3. LAN Connector LEDs

LED

LED Color

LED State

Indicates

 

 

 

 

A

Green

Off

LAN link is not established

 

 

 

 

 

 

On

LAN link is established

 

 

 

 

 

 

Blinking

LAN activity is occurring

 

 

 

 

B

N/A

Off

10 Mb/s data rate

 

 

 

 

 

Green

On

100 Mb/s data rate

 

 

 

 

 

Yellow

On

1000 Mb/s data rate

 

 

 

 

Legacy I/O

Intel Desktop Board DX79TO includes an I/O controller that provides the following legacy I/O features:

Consumer Infrared (CIR) support

Low pin count (LPC) interface

Intelligent power management, including a programmable wake up event interface

PCI power management support

Expandability

Intel Desktop Board DX79TO provides the following expansion capability:

Two PCI Express 3.0 x16 connectors. Operation at PCI Express 3.0 speeds requires a processor that supports the PCI Express 3.0 Specification.

Three PCI Express 2.0 x1 connectors

One PCI bus connector

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Intel Desktop Board DX79TO Product Guide

BIOS

The BIOS provides the Power-On Self-Test (POST), the BIOS Setup program, and the PCI/PCI Express and IDE auto-configuration utilities. The BIOS is stored in the Serial Peripheral Interface (SPI) Flash device.

The BIOS can be updated by following the instructions on page 63 in Chapter 3.

Serial ATA and IDE Auto Configuration

If you install a Serial ATA or IDE device (such as a hard drive) in your computer, the auto-configuration utility in the BIOS automatically detects and configures the device for your computer. You do not need to run the BIOS Setup program after installing a Serial ATA or IDE device. You can override the auto-configuration options by specifying manual configuration in the BIOS Setup program.

PCI and PCI Express* Auto Configuration

If you install a PCI/PCI Express add-in card in your computer, the PCI/PCI Express auto-configuration utility in the BIOS automatically detects and configures the resources (IRQs, DMA channels, and I/O space) for that add-in card. You do not need to run the BIOS Setup program after you install a PCI/PCI Express add-in card.

Security Passwords

The BIOS includes security features that restrict whether the BIOS Setup program can be accessed and who can boot the computer. A supervisor password and a user password can be set for the BIOS Setup and for booting the computer, with the following restrictions:

The supervisor password gives unrestricted access to view and change all Setup options. If only the supervisor password is set, pressing <Enter> at the password prompt of Setup gives the user restricted access to Setup.

If both the supervisor and user passwords are set, you must enter either the supervisor password or the user password to access Setup. Setup options are then available for viewing and changing depending on whether the supervisor or user password was entered.

Setting a user password restricts who can boot the computer. The password prompt is displayed before the computer is booted. If only the supervisor password is set, the computer boots without asking for a password. If both passwords are set, you can enter either password to boot the computer.

For instructions on resetting the password, go to Clearing Passwords on page 55.

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Desktop Board Features

Back to BIOS Button

The back panel Back to BIOS button (Figure 4, A) duplicates the functionality of the BIOS configuration jumper with the following exceptions:

It can only be used to force the board to power on to the BIOS Maintenance Menu using default values but it will retain all previously saved changes.

It cannot be used to override passwords set in the BIOS.

It cannot be used to invoke BIOS recovery mode.

The button glows red when it is activated.

NOTE

Using the Back to BIOS button does not set the board to the factory BIOS defaults. To restore settings to the factory defaults, use the <F9> key once BIOS setup mode is active.

Figure 4. Location of the Back to BIOS Button

Hardware Management

The hardware management features of Intel Desktop Board DX79TO enable the board to be compatible with the Wired for Management (WfM) specification. The board has several hardware management features including the following:

Fan speed monitoring and control

Thermal and voltage monitoring

Chassis intrusion detection

Hardware Monitoring and Fan Speed Control

Hardware monitoring and fan speed control are based on the Nuvoton* Legacy I/O Controller, which provides the following:

Processor and system ambient temperature monitoring

Monitoring of power supply voltages to detect levels above and below acceptable values

Chassis fan speed monitoring

SMBus interface

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Intel Desktop Board DX79TO Product Guide

Chassis Intrusion

The board supports a chassis security feature that detects if the chassis cover has been removed. The security feature uses a mechanical switch on the chassis that can be connected to the chassis intrusion header on the Desktop Board. See Figure 20 for the location and pinout of the chassis intrusion header.

Power Management

Power management is implemented at several levels, including software support through the Advanced Configuration and Power Interface (ACPI) and the following hardware support:

Power connectors

Fan headers

LAN wake capabilities

Instantly Available PC technology (Suspend to RAM)

+5 V standby power indicator LED

Wake from USB

Power Management Event signal (PME#) wakeup support

WAKE# signal wake-up support

Wake from Consumer IR

Software Support

ACPI

ACPI gives the operating system direct control over the power management and Plug and Play functions of a computer. The use of ACPI with the Desktop Board requires an operating system that provides full ACPI support.

Hardware Support

Power Connectors

ATX12V-compliant power supplies can turn off the computer power through system control. When an ACPI-enabled computer receives the correct command, the power supply removes all non-standby voltages.

When resuming from an AC power failure, the computer returns to the power state it was in before power was interrupted (either on or off). The computer’s response can be set by using the Last Power State feature in the BIOS Setup program’s Boot menu.

The Desktop Board has three power connectors. See Figure 23 on page 53 for the location of the power connectors.

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Desktop Board Features

Fan Headers

The function/operation of the fans is as follows:

The fans are on when the computer is in the ACPI S0 state.

The fans are off when the computer is in the ACPI S3, S4, or S5 state.

Each fan header is wired to a tachometer input of the hardware monitoring and control device.

All fan headers support closed-loop fan control that can adjust the fan speed or switch the fan on or off as needed.

All fan headers have a +12 V DC connection.

The Desktop Board has a 4-pin processor fan header and three 4-pin chassis fan headers.

LAN Wake Capabilities

CAUTION

For LAN wake capabilities, the 5 V standby line for the power supply must be capable of delivering adequate +5 V standby current. Failure to provide adequate standby current when using this feature can damage the power supply.

LAN wakeup capabilities enable remote wake-up of the computer through a network. The LAN subsystem monitors network traffic and upon detecting a Magic Packet* frame, it asserts a wake-up signal that powers up the computer.

Instantly Available PC Technology

CAUTIONS

For Instantly Available PC technology, the 5 V standby line for the power supply must be capable of delivering adequate +5 V standby current. Failure to provide adequate standby current when using this feature can damage the power supply and/or effect ACPI S3 sleep state functionality.

Power supplies used with this Desktop Board must be able to provide enough standby current to support the standard Instantly Available (ACPI S3 sleep state) configuration. If the standby current necessary to support multiple wake events from the PCI and/or USB buses exceeds power supply capacity, the Desktop Board may lose register settings stored in memory.

Instantly Available PC technology enables the board to enter the ACPI S3 (Suspend-to- RAM) sleep state. While in the S3 sleep state, the computer will appear to be off. If the computer has a dual-colored power LED on the front panel, the sleep state is indicated by the LED turning amber. When signaled by a wake-up device or event, the computer quickly returns to its last known awake state.

The Desktop Board supports the PCI Bus Power Management Interface Specification. Add-in cards that support this specification can participate in power management and can be used to wake the computer.

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Intel Desktop Board DX79TO Product Guide

+5 V Standby Power Indicator

CAUTION

If the AC power has been switched off and the standby power indicator is still lit, disconnect the power cord before installing or removing any devices connected to the board. Failure to do so could damage the board and any attached devices.

The Desktop Board’s standby power indicator, shown in Figure 5, is lit when there is standby power still present on the board even when the computer appears to be off. For example, when this LED is lit, standby power is still present at the memory module sockets and the PCI bus connectors.

Figure 5. Location of the Standby Power Indicator

For more information on standby current requirements for the Desktop Board, refer to the Technical Product Specification at http://www1 .intel.com/products/motherboard/index.htm

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Desktop Board Features

Wake from USB

NOTE

Wake from USB requires the use of a USB peripheral that supports Wake from USB and an operating system that supports Wake from USB.

USB bus activity wakes the computer from an ACPI S3 state.

PME# Signal Wake-up Support

When the PME# signal on the PCI bus is asserted, the computer wakes from an ACPI S3, S4, or S5 state.

WAKE# Signal Wake-up Support

When the WAKE# signal on the PCI Express bus is asserted, the computer wakes from an ACPI S3, S4, or S5 state.

Wake from Consumer IR

Consumer IR device activity wakes the computer from an ACPI S3, S4, or S5 state.

Onboard System Control Switches

The board contains the following lighted button switches that can be used to control board operation:

Power

Reset

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Intel Desktop Board DX79TO Product Guide

Figure 6. Onboard System Control Switches

Power Switch

The power button switch (see Figure 6, A) can be used to turn the desktop board on or off. This power button switch behaves the same as a chassis power switch connected via the front panel header. The onboard power button switch does not remove standby power. To turn off the computer using the onboard power button switch, keep it pressed down for three seconds.

Reset Switch

The reset button switch (see Figure 6, B) can be used to reset the desktop board. This power button switch behaves the same as a chassis reset switch connected via the front panel header. When the reset button switch is pressed, the board resets and runs the POST.

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