Gigabyte GA-X79-UD7 User manual

GA-X79-UD7
User's Manual
Rev. 1001
12ME-X79UD7-1001R

Motherboard
GA-X79-UD7
Oct. 28, 2011
Oct. 28, 2011
Motherboard
GA-X79-UD7

Copyright
©2011 GIGA-BYTE TECHNOLOGY CO., LTD. All rights reserved.
The trademarks mentioned in this manual are legally registered to their respective owners.
Disclaimer
Information in this manual is protected by copyright laws and is the property of GIGABYTE.
Changes to the specications and features in this manual may be made by GIGABYTE without
prior notice. No part of this manual may be reproduced, copied, translated, transmitted, or
published in any form or by any means without GIGABYTE's prior written permission.
Documentation Classications
In order to assist in the use of this product, GIGABYTE provides the following types of documentations:
For quick set-up of the product, read the Quick Installation Guide included with the product.

For detailed product information, carefully read the User's Manual.

For product-related information, check on our website at:
http://www.gigabyte.com
Identifying Your Motherboard Revision
The revision number on your motherboard looks like this: "REV: X.X." For example, "REV: 1.0"
means the revision of the motherboard is 1.0. Check your motherboard revision before updating
motherboard BIOS, drivers, or when looking for technical information.
Example:

- 4 -
Table of Contents
Box Contents...................................................................................................................6
Optional Items .................................................................................................................6
GA-X79-UD7 Motherboard Layout..................................................................................7
GA-X79-UD7 Motherboard Block Diagram.....................................................................8
Chapter 1 Hardware Installation .....................................................................................9
1-1 Installation Precautions.................................................................................... 9
1-2 Product Specications................................................................................... 10
1-3 Installing the CPU and CPU Cooler............................................................... 13
1-3-1 Installing the CPU ..................................................................................................13
1-3-2 Installing the CPU Cooler ......................................................................................15
1-4 Installing the Memory .................................................................................... 16
1-4-1 4 Channel Memory Conguration.........................................................................16
1-4-2 Installing a Memory ...............................................................................................17
1-5 Installing an Expansion Card......................................................................... 18
1-6 Setting up AMD CrossFireX™/NVIDIA SLI Conguration.............................. 19
1-7 Back Panel Connectors.................................................................................. 20
1-8 Onboard Buttons............................................................................................ 22
1-9 Internal Connectors........................................................................................ 24
Chapter 2 BIOS Setup..................................................................................................35
2-1 Startup Screen............................................................................................... 36
2-2 The Main Menu.............................................................................................. 37
2-3 M.I.T. .............................................................................................................. 39
2-4 System ........................................................................................................... 52
2-5 BIOS Features ............................................................................................... 53
2-6 Peripherals..................................................................................................... 55
2-7 Power Management....................................................................................... 58
2-8 Save & Exit Setup.......................................................................................... 60

- 5 -
Chapter 3 Drivers Installation .......................................................................................61
3-1 Installing Chipset Drivers............................................................................... 61
3-2 Application Software...................................................................................... 62
3-3 Technical Manuals......................................................................................... 62
3-4 Contact........................................................................................................... 63
3-5 System ........................................................................................................... 63
3-6 Download Center........................................................................................... 64
3-7 New Utilities ................................................................................................... 64
Chapter 4 Unique Features...........................................................................................65
4-1 Xpress Recovery2.......................................................................................... 65
4-2 BIOS Update Utilities..................................................................................... 68
4-2-1 Updating the BIOS with the Q-Flash Utility.......................................................... 68
4-2-2 Updating the BIOS with the @BIOS Utility............................................................71
4-3 EasyTune 6 .................................................................................................... 72
4-4 Q-Share ......................................................................................................... 73
4-5 Smart 6™....................................................................................................... 74
4-6 eXtreme Hard Drive (X.H.D).......................................................................... 78
4-7 Cloud OC ....................................................................................................... 79
4-8 TouchBIOS..................................................................................................... 80
Chapter 5 Appendix......................................................................................................81
5-1 Conguring SATA Hard Drive(s).................................................................... 81
5-1-1 Conguring Intel X79 SATA Controllers ................................................................81
5-1-2 Conguring Marvell 88SE9172 SATA Controllers.................................................87
5-1-3 Installing the SATA RAID/AHCI Driver and Operating System.............................93
5-2 Conguring Audio Input and Output ............................................................ 100
5-2-1 Conguring 2/4/5.1/7.1-Channel Audio............................................................... 100
5-2-2 Conguring S/PDIF Out.......................................................................................102
5-2-3 Enabling the Dolby Home Theater Function .......................................................103
5-2-4 Conguring Microphone Recording.....................................................................104
5-2-5 Using the Sound Recorder ................................................................................. 106
5-3 Troubleshooting ........................................................................................... 107
5-3-1 Frequently Asked Questions ...............................................................................107
5-3-2 Troubleshooting Procedure .................................................................................108
5-4 Debug LED Codes........................................................................................110
5-5 Regulatory Statements.................................................................................114

- 6 -
Box Contents
GA-X79-UD7 motherboard
Motherboard driver disk
User's Manual
Quick Installation Guide
Four SATA cables
I/O Shield
One 2-Way SLI bridge connector
One 3-Way SLI bridge connector
One 4-Way SLI bridge connector
One 2-Way CrossFireX bridge connector
Seven voltage measurement cables
3.5" Front Panel with 2 USB 3.0/2.0 ports
One GC-WIFI
Optional Items
2-port USB 2.0 bracket (Part No. 12CR1-1UB030-5*R)
2-port SATA power cable (Part No. 12CF1-2SERPW-0*R)
The box contents above are for reference only and the actual items shall depend on the product package you obtain.
The box contents are subject to change without notice.

- 7 -
GA-X79-UD7 Motherboard Layout
(Note) For debug code information, please refer to Chapter 5.
_
+
_
+
KB_USB_MS
CPU_FAN
ATX_12V_2X
ATX
F_AUDIO
AUDIO
B_BIOS
PCIEX8_2
DDR3_1 DDR3_3
BAT
Marvell
88SE9172
FAN3
Intel®X79
CLR_CMOS
FAN1
M_BIOS
PCIEX8_1
PCIEX_1
SPDIF_O F_USB2
LGA2011
GA-X79-UD7
PW_SW
HS
R_USB30
R_USB2
USB_LAN
iTE IT8728
CODEC
F_USB1
PCIEX1_2
FAN4 F_USB3TPM
Fresco
FL1009
F_PANEL
PCIEX16_1
R_USB1
ATX_12V_2X1
FAN6
FAN5
PCIEX16_2
PCIEX1_3
Fresco
FL1009
RATIO_UP
J1 VCORE
J2 QPIVTT
J3 DDR_15V_A
J4 DDR_15V_B
J6 VCCSA
J7 CPU_PLL
J5 DDRVTT
RATIO_DW
FREQ_UP
FREQ_DW
Gear RST_SW
FAN2
F_USB30
Debug LED (Note)
ATX4P1
Marvell
88SE9172
ATX4P4
SATA3
1
0
SATA2
GSATA3
7
6
GSATA3
9
8
Intel®GbE LAN
DDR3_4
DDR3_2
2nd System Thermal Sensor
1st System Thermal
Sensor
3rd System Thermal
Sensor
_
+
_
+
3
2
SATA2 5
4

- 8 -
GA-X79-UD7 Motherboard Block Diagram
PS/2 KB/Mouse
LGA2011 CPU
DMI 2.0
Intel®X79
IT8728
CPU CLK+/- (100 MHz)
4 SATA 3Gb/s
Dual BIOS
LPC
Bus
DDR3 2133/1866/1600/1333/1066 MHz
PCI Express Bus
PCI Express Bus
PCIe CLK
(100 MHz)
PCIe CLK
(100 MHz)
x1
x1
LAN
RJ45
Intel GbE LAN phy
Marvell
88SE9172
2 SATA 6Gb/s
PCI Express Bus
PCIe CLK
(100 MHz)
Switch
x8
x16
1 PCI Express x16 2 PCI Express x8
or
x1
2 SATA 6Gb/s
14 USB 2.0/1.1
Center/Subwoofer Speaker Out
Line Out
MIC
Line In
S/PDIF Out
Side Speaker Out
Surround Speaker Out
CODEC
x16 x8
1 PCI
Express x8
1 PCI
Express x16
x1
2 USB 3.0/2.0
Fresco
FL1009
x1
2 USB 3.0/2.0
Fresco
FL1009
PCI Express Bus
3 PCI Express x1
x1x1 x1
PCIe CLK
(100 MHz)
2 SATA 6Gb/s
Marvell
88SE9172
4 Channel Memory

- 9 - Hardware Installation
1-1 Installation Precautions
The motherboard contains numerous delicate electronic circuits and components which can become
damaged as a result of electrostatic discharge (ESD). Prior to installation, carefully read the user's
manual and follow these procedures:
Prior to installation, make sure the chassis is suitable for the motherboard.•
Prior to installation, do not remove or break motherboard S/N (Serial Number) sticker or warranty•
sticker provided by your dealer. These stickers are required for warranty validation.
Always remove the AC power by unplugging the power cord from the power outlet before•
installing or removing the motherboard or other hardware components.
When connecting hardware components to the internal connectors on the motherboard, make•
sure they are connected tightly and securely.
When handling the motherboard, avoid touching any metal leads or connectors.•
It is best to wear an electrostatic discharge (ESD) wrist strap when handling electronic com-•
ponents such as a motherboard, CPU or memory. If you do not have an ESD wrist strap, keep
your hands dry and rst touch a metal object to eliminate static electricity.
Prior to installing the motherboard, please have it on top of an antistatic pad or within an•
electrostatic shielding container.
Before unplugging the power supply cable from the motherboard, make sure the power supply•
has been turned off.
Before turning on the power, make sure the power supply voltage has been set according to•
the local voltage standard.
Before using the product, please verify that all cables and power connectors of your hardware•
components are connected.
To prevent damage to the motherboard, do not allow screws to come in contact with the•
motherboard circuit or its components.
Make sure there are no leftover screws or metal components placed on the motherboard or•
within the computer casing.
Do not place the computer system on an uneven surface.•
Do not place the computer system in a high-temperature environment.•
Turning on the computer power during the installation process can lead to damage to system•
components as well as physical harm to the user.
If you are uncertain about any installation steps or have a problem related to the use of the•
product, please consult a certied computer technician.
Chapter 1 Hardware Installation

Hardware Installation - 10 -
1-2 Product Specications
CPU Support for Intel®Core™i7 processors in the LGA2011 package
(Go to GIGABYTE's website for the latest CPU support list.)
L3 cache varies with CPU
Chipset Intel®X79 Express Chipset
Memory 4 x 1.5V DDR3 DIMM sockets supporting up to 32 GB of system memory
* Due to Windows 32-bit operating system limitation, when more than 4 GB of physical
memory is installed, the actual memory size displayed will be less than 4 GB.
4 channel memory architecture
Support for DDR3 2133/1866/1600/1333/1066 MHz memory modules
Support for non-ECC memory modules
Support for Extreme Memory Prole (XMP) memory modules
(Go to GIGABYTE's website for the latest supported memory speeds and memory
modules.)
Audio Realtek ALC898 codec
High Denition Audio
2/4/5.1/7.1-channel
Support for Dolby®Home Theater
Support for S/PDIF Out
LAN 1 x Intel GbE LAN phy (10/100/1000 Mbit)
Expansion Slots 2 x PCI Express x16 slots, running at x16 (PCIEX16_1, PCIEX16_2)
* For optimum performance, if only one PCI Express graphics card is to be installed,
be sure to install it in the PCIEX16 slot.
2 x PCI Express x16 slot, running at x8 (PCIEX8_1, PCIEX8_2)
* The PCIEX8_2 slot shares bandwidth with the PCIEX16_2 slot. When the PCIEX8_2
slot is populated, the PCIEX16_2 slot will operate at up to x8 mode.
(All PCI Express x16 slots conform to PCI Express 3.0 standard.)
3 x PCI Express x1 slots
(All PCI Express x1 slots conform to PCI Express 2.0 standard.)
Multi-Graphics
Technology
Support for 4-Way/3-Way/2-Way AMD CrossFireX™/NVIDIA SLI technology
* The PCIEX16 slots operate at up to x8 mode when 4-Way/3-Way AMD
CrossFireX™/NVIDIA SLI is enabled.
Storage Interface Chipset:
- 2 x SATA 6Gb/s connectors (SATA3 0/1) supporting up to 2 SATA 6Gb/s
devices
- 4 x SATA 3Gb/s connectors (SATA2 2/3/4/5) supporting up to 4 SATA 3Gb/s
devices
- Support for RAID 0, RAID 1, RAID 5, and RAID 10
* When a RAID set is built across the SATA 6Gb/s and SATA 3Gb/s channels, the
system performance of the RAID set may vary depending on the devices being
connected.
2 x Marvell 88SE9172 chips:
- 4 x SATA 6Gb/s connectors (GSATA3 6/7/8/9) supporting up to 4 SATA
6Gb/s devices
- Support for SATA RAID 0 and RAID 1

- 11 - Hardware Installation
USB Chipset:
- Up to 14 USB 2.0/1.1 ports (8 ports on the back panel, 6 ports available
through the internal USB headers)
2 x Fresco FL1009 chips:
- Up to 4 USB 3.0/2.0 ports (2 ports on the back panel, 2 ports available through
the internal USB header)
Internal
Connectors
1 x 24-pin ATX main power connector
2 x 8-pin ATX 12V power connectors
2 x PCIe power connectors
6 x SATA 6Gb/s connectors
4 x SATA 3Gb/s connectors
1 x CPU fan header
6 x system fan headers
1 x front panel header
1 x front panel audio header
1 x S/PDIF Out header
3 x USB 2.0/1.1 headers
1 x USB 3.0/2.0 header
1 x Clear CMOS jumper
1 x power button
1 x reset button
1 x onboard voltage measurement module
1 x Gear button
1 x CPU BCLK Down button
1 x CPU BCLK Up button
1 x CPU Ratio Down button
1 x CPU Ratio Up button
1 x Trusted Platform Module (TPM) header
Back Panel
Connectors
1 x PS/2 keyboard/mouse port
1 x CPU overclocking button
1 x BIOS switch button
1 x Clear CMOS button
8 x USB 2.0/1.1 ports
2 x USB 3.0/2.0 ports
1 x RJ-45 port
1 x optical S/PDIF Out connector
5 x audio jacks (Center/Subwoofer Speaker Out, Rear Speaker Out, Side Speaker
Out, Line In, Mic In, Line Out)

Hardware Installation - 12 -
I/O Controller iTE IT8728 chip
Hardware
Monitor
System voltage detection
CPU/System temperature detection
CPU/System fan speed detection
CPU overheating warning
CPU/System fan fail warning
CPU/System fan speed control
* Whether the CPU/system fan speed control function is supported will depend on the
CPU/system cooler you install.
BIOS 2 x 64 Mbit ash
Use of licensed AMI EFI BIOS
Support for DualBIOS™
PnP 1.0a, DMI 2.0, SM BIOS 2.6, ACPI 2.0a
Unique Features Support for @BIOS
Support for Q-Flash
Support for Xpress BIOS Rescue
Support for Download Center
Support for Xpress Install
Support for Xpress Recovery2
Support for EasyTune
* Available functions in EasyTune may differ by motherboard model.
Support for Smart 6™
Support for eXtreme Hard Drive (X.H.D)
Support for ON/OFF Charge
Support for Cloud OC
Support for 3TB+ Unlock
Support for TouchBIOS
Support for Q-Share
Bundled
Software Norton Internet Security (OEM version)

Operating
System Support for Microsoft
®Windows 7/Vista/XP
Form Factor XL-ATX Form Factor; 32.4cm x 25.3cm
(Go to GIGABYTE's website for the latest chassis support list.)
* GIGABYTE reserves the right to make any changes to the product specications and product-related information
without prior notice.

- 13 - Hardware Installation
1-3 Installing the CPU and CPU Cooler
1-3-1 Installing the CPU
A. Locate the alignment keys on the motherboard CPU socket and the notches on the CPU.
Alignment Key
Alignment Key
LGA2011 CPU Socket
Pin One Corner of the CPU
Socket
LGA2011 CPU
Triangle Pin One Marking on
the CPU
Read the following guidelines before you begin to install the CPU:
Make sure that the motherboard supports the CPU.•
(Go to GIGABYTE's website for the latest CPU support list.)
Always turn off the computer and unplug the power cord from the power outlet before installing the•
CPU to prevent hardware damage.
Locate the pin one of the CPU. The CPU cannot be inserted if oriented incorrectly. (Or you may•
locate the notches on both sides of the CPU and alignment keys on the CPU socket.)
Apply an even and thin layer of thermal grease on the surface of the CPU.•
Do not turn on the computer if the CPU cooler is not installed, otherwise overheating and damage•
of the CPU may occur.
Set the CPU host frequency in accordance with the CPU specications. It is not recommended •
that the system bus frequency be set beyond hardware specications since it does not meet the
standard requirements for the peripherals. If you wish to set the frequency beyond the standard
specications, please do so according to your hardware specications including the CPU, graphics
card, memory, hard drive, etc.
Alignment Key
Alignment Key
Notch
Notch
Notch
Notch

Hardware Installation - 14 -
Step 1:
Push the lever closest to the "unlock" marking " "
(below referred as lever A) down and away from
the socket to release it.
Step 4:
Hold the CPU with your thumb and index ngers. Align
the CPU pin one marking (triangle) with the pin one
corner of the CPU socket (or align the CPU notches
with the socket alignment keys) and carefully insert
the CPU into the socket vertically.
Step 6:
Finally, secure lever A under its retention tab to
complete the installation of the CPU.
Step 5:
Once the CPU is properly inserted, carefully replace
the load plate. Then secure lever B under its retention
tab. The protective plastic cover may pop off from the
load plate during the process of engaging the lever.
Remove the cover. Save the cover properly and always
replace it when the CPU is not installed.
Step 3:
Gently press lever A to allow the load plate to rise.
Open the load plate. (Note: DO NOT touch the
socket contacts after the load plate is opened.)
B. Follow the steps below to correctly install the CPU into the motherboard CPU socket.
Before installing the CPU, make sure to turn off the computer and unplug the power cord from•
the power outlet to prevent damage to the CPU.
To protect the socket contacts, do not remove the protective plastic cover unless the CPU is•
inserted into the CPU socket. Save the cover properly and replace it if the CPU is removed.
Step 2:
Push the lever closest to the "lock" marking " "
(below referred as lever B) down and away from
the socket. Then lift the lever.
Lever A Lever B

- 15 - Hardware Installation
1-3-2 Installing the CPU Cooler
Refer to the steps below to correctly install the CPU cooler on the motherboard. (Actual installation process
may differ depending the CPU cooler to be used. Refer to the user's manual for your CPU cooler.)
Use extreme care when removing the CPU cooler because the thermal grease/tape between the
CPU cooler and CPU may adhere to the CPU. Inadequately removing the CPU cooler may damage
the CPU.
Step 1:
Apply an even and thin layer of thermal grease on
the surface of the installed CPU.
Step 2:
Place the cooler atop the CPU, aligning the four
mounting screws with the mounting holes on the
ILM. (If your cooler has a fan grill which may cause
interference when you tighten the screws, remove
it rst and replace it after tightening the screws.)
Step 3:
Use one hand to hold the cooler and the other to
tighten the screws in a diagonal sequence with a
screw driver. Begin tightening a screw with a few
turns and repeat with the screw diagonally opposite
the one you just tightened. Then do the same to the
other pair. Next, fully tighten the four screws.
Step 4:
Finally, attach the power connector of the CPU
cooler to the CPU fan header (CPU_FAN) on the
motherboard.

Hardware Installation - 16 -
1-4 Installing the Memory
Read the following guidelines before you begin to install the memory:
Make sure that the motherboard supports the memory. It is recommended that memory of the•
same capacity, brand, speed, and chips be used.
(Go to GIGABYTE's website for the latest supported memory speeds and memory modules.)
Always turn off the computer and unplug the power cord from the power outlet before installing the•
memory to prevent hardware damage.
Memory modules have a foolproof design. A memory module can be installed in only one direction.•
If you are unable to insert the memory, switch the direction.
1-4-1 4 Channel Memory Conguration
This motherboard provides four DDR3 memory sockets and supports 4 Channel Technology. After the memory
is installed, the BIOS will automatically detect the specications and capacity of the memory. The four DDR3
memory sockets are divided into four channels and each channel has one memory socket as following:
Channel A: DDR3_4
Channel B: DDR3_2
Channel C: DDR3_1
Channel D: DDR3_3
For optimum performance, when installing one memory module, we recommend that you install it in the DDR3_1
socket. When installing two memory modules, we recommend that you install them in the DDR3_1 and DDR3_2
sockets.
Dual Channel Mode:
•
To enable Dual Channel mode, install two memory modules in any two of the four memory sockets.
3 Channel Mode:•
To enable three Channel mode, install three memory modules in any three of the four memory sockets.
4 Channel Mode:•
To enable four Channel mode, install four memory modules in the four memory sockets.
DDR3_1 DDR3_3 DDR3_4 DDR3_2

- 17 - Hardware Installation
1-4-2 Installing a Memory
A DDR3 memory module has a notch, so it can only t in one direction. Follow the steps below to correctly install
your memory modules in the memory sockets.
Before installing a memory module, make sure to turn off the computer and unplug the power
cord from the power outlet to prevent damage to the memory module.
DDR3 and DDR2 DIMMs are not compatible to each other or DDR DIMMs. Be sure to install
DDR3 DIMMs on this motherboard.
Step 1:
Note the orientation of the memory module. Spread the retaining clips
at both ends of the memory socket. Place the memory module on the
socket. As indicated in the picture on the left, place your ngers on
the top edge of the memory, push down on the memory and insert it
vertically into the memory socket.
Step 2:
The clips at both ends of the socket will snap into place when the
memory module is securely inserted.
Notch
DDR3 DIMM

Hardware Installation - 18 -
1-5 Installing an Expansion Card
Follow the steps below to correctly install your expansion card in the expansion slot.
Locate an expansion slot that supports your card. Remove the metal slot cover from the chassis back1.
panel.
Align the card with the slot, and press down on the card until it is fully seated in the slot.2.
Make sure the metal contacts on the card are completely inserted into the slot.3.
Secure the card’s metal bracket to the chassis back panel with a screw.4.
After installing all expansion cards, replace the chassis cover(s).5.
Turn on your computer. If necessary, go to BIOS Setup to make any required BIOS changes for your6.
expansion card(s).
Install the driver provided with the expansion card in your operating system.7.
Read the following guidelines before you begin to install an expansion card:
Make sure the motherboard supports the expansion card. Carefully read the manual that came•
with your expansion card.
Always turn off the computer and unplug the power cord from the power outlet before installing an•
expansion card to prevent hardware damage.
Installing a Graphics Card:•
Gently push down on the top edge of the card until it
is fully inserted into the PCI Express slot. Make sure
the card is securely seated in the slot and does not
rock.
Removing the Card:•
Press the latch at the end of the PCI Express slot to release the card and then pull
the card straight up from the slot.
PCI Express x1 Slot
PCI Express x16 Slot
Example: Installing and Removing a PCI Express Graphics Card:

- 19 - Hardware Installation
1-6 Setting up AMD CrossFireX™/NVIDIA SLI Conguration
A. System Requirements
The 2-Way CrossFireX and 2-Way SLI technologies currently support Windows 7, Vista, XP operating systems-
The 3-Way/4-Way CrossFireX/SLI technologies currently support Windows 7 and Vista operating systems
-
A CrossFireX/SLI-supported motherboard with two/three/four PCI Express x16 slots and correct driver
-
Two/three/four CrossFireX/SLI-ready graphics cards of identical brand and chip and correct driver
-
(Current GPUs that support 3-Way/4-Way CrossFireX technology include the ATI Radeon HD 3800, HD 4800, HD 5800
series, and AMD Radeon HD 6800 and HD 6900 series. Current GPUs that support 3-Way/4-Way SLI technology include
the NVIDIA 8800 GTX, 8800 Ultra, 9800 GTX, GTX 260, GTX 280, GTX 470, GTX 480, GTX 570, GTX 580, and GTX
590 series.)
CrossFireX
-(Note 1)/SLI bridge connectors
A power supply with sufcient power is recommended
-(Note 2) (Refer to the manual of your graphics cards for the power
requirement)
B. Connecting the Graphics Cards
Step 1:
Observe the steps in "1-5 Installing an Expansion Card" and install CrossFireX/SLI graphics cards on the PCI Express x16 slots.
(To set up a 2-Way conguration, we recommend installing the graphics cards on the PCIEX16_1 and PCIEX16_2 slots. )
Step 2:
Insert the CrossFireX (Note 1)/SLI bridge connectors in the CrossFireX/SLI gold edge connectors on top of the cards.
Step 3:
Plug the display cable into the graphics card on the PCIEX16_1 slot.
C. Conguring the Graphics Card Driver
C-1. To Enable CrossFireX Function
After installing the graphics card driver in the operating system, go to the Catalyst
Control Center. Browse to Performance\AMD CrossFireX™ Conguration
and ensure the Enable CrossFireX™check box is selected and click Apply.
(Available combination options are dependent on the number of graphics cards
you install.)
C-2. To Enable SLI Function
After installing the graphics card driver in the operating system, go to the NVIDIA
Control Panel. Browse to the Set SLI and Physx Conguration screen and
ensure Maximize 3D performance is enabled.
(Note 1) The bridge connectors may be needed or not depending on your
graphics cards.
(Note 2) When two or more graphics cards are installed, we recommend that you connect the SATA power cable(s) from the
power supply to the ATX4P1/ATX4P4 connector to ensure system stability. For 4-way CrossFireX™/SLI, you must
connect at least one of the ATX4P1 and ATX4P4 connectors.
Procedure and driver screen for enabling CrossFireX/SLI technology may differ by graphics cards. Refer to the manual
that came with your graphics cards for more information about enabling CrossFireX/SLI technology.

Hardware Installation - 20 -
1-7 Back Panel Connectors
USB 2.0/1.1 Port
The USB port supports the USB 2.0/1.1 specication. Use this port for USB devices such as a USB
keyboard/mouse, USB printer, USB ash drive and etc.
PS/2 Keyboard/Mouse Port
Use this port to connect a PS/2 mouse or keyboard.
CPU Overclocking Button
Press this button to overclock your CPU. To return to the defaults, press this button again.
BIOS Switch Button
The button allows users to easily select a different BIOS for boot up or overclocking, helping to reduce BIOS
failure during overclocking. Press the button to switch between the main BIOS and backup BIOS. The green
LED indicates the main BIOS is active and the blue LED indicates the backup BIOS is active.
Clear CMOS Button
Use this button to clear the CMOS values (e.g. date information and BIOS congurations) and reset the
CMOS values to factory defaults when needed
.
USB 3.0/2.0 Port
The USB 3.0 port supports the USB 3.0 specication and is compatible to the USB 2.0/1.1 specication.
Use this port for USB devices such as a USB keyboard/mouse, USB printer, USB ash drive and etc.
RJ-45 LAN Port
The Gigabit Ethernet LAN port provides Internet connection at up to 1 Gbps data rate. The following
escribes the states of the LAN port LEDs.
When removing the cable connected to a back panel connector, rst remove the cable from your
•
device and then remove it from the motherboard.
When removing the cable, pull it straight out from the connector. Do not rock it side to side to•
prevent an electrical short inside the cable connector.
Activity LED
Connection/
Speed LED
LAN Port
Activity LED:Connection/Speed LED:
State Description
Orange 1 Gbps data rate
Green 100 Mbps data rate
Off 10 Mbps data rate
State Description
Blinking Data transmission or receiving is occurring
Off No data transmission or receiving is occurring
O.C.