Intel DX79SI User Manual

Intel® Desktop Board DX79SI Product Guide

Order Number: G43991-001

Revision History

Revision Revision History Date

-001 First release of the Intel® Desktop Board DX79SI Product Guide October 2011

Disclaimer

INFORMATION IN THIS DOCUMENT IS PROVIDED IN CONNECTION WITH INTEL® PRODUCTS. NO LICENSE,
EXPRESS OR IMPLIED, BY ESTOPPEL OR
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 DX79SI 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.

OTHERWISE, TO ANY INTELLECTUAL PROPERTY RIGHTS IS

Preface

This Product Guide gives information about board layout, component installation, BIOS
update, and regulatory requirements for Intel

®

Desktop Board DX79SI.

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:
1 Desktop Board Features: a summary of product features
2 Installing and Replacing Desktop Board Components: instructions on how to install

the Desktop Board and other hardware components
3 Updating the BIOS: instructions on how to update the BIOS
4 Configuring for RAID: information about configuring your system for RAID
A Error Messages and Indicators: information about BIOS error messages and beep

codes
B Regulatory 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.

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Intel Desktop Board DX79SI 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)

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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........................................................................................................20

Expandability.....................................................................................................20

BIOS................................................................................................................20

Serial ATA and IDE Auto Configuration...........................................................21

PCI and PCI Express* Auto Configuration.......................................................21

Security Passwords.....................................................................................21

Back to BIOS Button ...................................................................................21

Hardware Management .......................................................................................22

Hardware Monitoring and Fan Speed Control ..................................................22

Chassis Intrusion........................................................................................22

Power Management............................................................................................23

Software Support .......................................................................................23

ACPI..................................................................................................23

Hardware Support ......................................................................................23

Power Connectors ...............................................................................23

Fan Headers .......................................................................................23

LAN Wake Capabilities..........................................................................24

Instantly Available PC Technology..........................................................24

+5 V Standby Power Indicator...............................................................24

Wake from USB ..................................................................................25

PME# Signal Wake-up Support..............................................................26

WAKE# Signal Wake-up Support ...........................................................26

Wake from Consumer IR ......................................................................26

Onboard System Control Switches........................................................................26

Power Switch .............................................................................................27

Reset Switch..............................................................................................27

System Initialization/Board Status LEDs................................................................27

System Initialization LEDs............................................................................28

Status LEDs...............................................................................................29

Speaker............................................................................................................29

Battery.............................................................................................................29

Real-Time Clock.................................................................................................29

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