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
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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
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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:
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 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
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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
Updating the BIOS Using the F7 Function Key ........................................................64
Updating the BIOS with the Intel
Recovering the BIOS ..........................................................................................65
®
Express BIOS Update Utility.................................63
®
Flash Memory Update Utility ................................64
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
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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
Chassis- and 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
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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
Processor Support for Intel® Core™ i7 and Intel® Xeon® processors in the
Main Memory
Chipset Intel® X79 Express Chipset consisting of the Intel® X79 Platform
Graphics Support for multiple PCI Express* graphics cards including linked cards
Audio
Expansion
Capabilities
Legacy I/O Support Nuvoton* Legacy I/O Controller that provides Consumer Infrared (CIR)
ATX (304.80 millimeters [12.00 inches] x 243.84 millimeters
[9.60 inches])
LGA2011 package with:
• Two PCI Express* 3.0 x16 graphics interfaces (x16 electrical)
• Quad-channel memory interface
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)
Controller Hub (PCH)
using Nvidia* SLI* technology and AMD* CrossFire X* technology
• Independent multi-streaming 6-channel (5.1) audio and 2-channel
audio subsystem, featuring:
― Intel
― RealTek* ALC892 codec
• HD Audio front panel header
• Two PCI Express 3.0 x16 connectors
• Three PCI Express 2.0 x1 connectors
• One PCI* bus connector
support
®
High Definition Audio interface
continued
9
Intel Desktop Board DX79TO Product Guide
Table 1. Feature Summary (continued)
Peripheral
Interfaces
LAN Support Gigabit (10/100/1000 Mb/s) LAN subsystem using an Intel® 82579LM
BIOS
Power Management
Hardware
Management
• Two USB 3.0 ports routed to the back panel
• 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)
Gigabit Ethernet Controller
• 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
• 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 monitoring and fan control through the Nuvoton I/O
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
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Intel Desktop Board DX79TO Product Guide
Desktop Board Components
Figure 1 shows the approximate location of the major components on Intel Desktop
Board DX79TO.
12
Figure 1. Intel Desktop Board DX79TO Components
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
Desktop Board Features
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
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
http://ark.intel.com
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
http://processormatch.intel.com
processors for Intel Desktop Board DX79TO,
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