GA-X48-DQ6
GA-X48-DQ6
LGA775 socket motherboard for Intel
®
Core
TM
processor family/
Intel
®
Pentium
®
processor family/Intel
®
Celeron
®
processor family
User's Manual
Rev. 1002
12ME-X48DQ6-1002R
Dec. 14, 2007
Motherboard
GA-X48-DQ6
Motherboard
GA-X48-DQ6
Dec. 14, 2007
Copyright
© 2007 GIGA-BYTE TECHNOLOGY CO., LTD. All rights reserved.
The trademarks mentioned in this manual are legally registered to their respective owners.
The logo is exclusively licensed to GIGABYTE UNITED INC. by GIGA-BYTE
TECHNOLOGY CO., LTD.
GIGABYTE UNITED INC. is designated by GIGA-BYTE TECHNOLOGY CO., LTD as the exclu-
sive global distributor of GIGABYTE branded motherboards.
Disclaimer
Information in this manual is protected by copyright laws and is the property of GIGABYTE.
Changes to the specifications 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 Classifications
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 instructions on how to use GIGABYTE's unique features, read or download the
information on/from the Support\Motherboard\Technology Guide page on our website.
For product-related information, check on our website at:
http://www.gigabyte.com.tw
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-X48-DQ6 Motherboard Layout ................................................................................ 7
Block Diagram ................................................................................................................ 8
Chapter 1 Hardware Installation .................................................................................... 9
1-1 Installation Precautions ..................................................................................... 9
1-2 Product Specifications .................................................................................... 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
1-3-3 Installing the Crazy Cool Heatsink on the Back of the Motherboard ............ 16
1-4 Installing the Memory ..................................................................................... 17
1-4-1 Dual Channel Memory Configuration ................................................................ 17
1-4-2 Installing a Memory ............................................................................................. 18
1-5 Installing an Expansion Card ......................................................................... 19
1-6 Installing the SATA Bracket ............................................................................. 20
1-7 Back Panel Connectors ................................................................................. 21
1-8 Internal Connectors ........................................................................................ 23
Chapter 2 BIOS Setup ................................................................................................. 37
2-1 Startup Screen ................................................................................................ 38
2-2 The Main Menu .............................................................................................. 39
2-3 Standard CMOS Features ............................................................................. 41
2-4 Advanced BIOS Features .............................................................................. 43
2-5 Integrated Peripherals ..................................................................................... 45
2-6 Power Management Setup ............................................................................. 49
2-7 PnP/PCI Configurations ................................................................................. 51
2-8 PC Health Status ........................................................................................... 52
2-9 MB Intelligent Tweaker(M.I.T.) ....................................................................... 54
2-10 Load Fail-Safe Defaults ................................................................................... 58
2-11 Load Optimized Defaults ................................................................................. 58
2-12 Set Supervisor/User Password ..................................................................... 59
2-13 Save & Exit Setup......................................................................................... 60
- 5 -
2-14 Exit Without Saving ....................................................................................... 60
Chapter 3 Drivers Installation ...................................................................................... 61
3-1 Installing Chipset Drivers ............................................................................... 61
3-2 Software Applications ..................................................................................... 62
3-3 Driver CD Information .................................................................................... 62
3-4 Hardware Information ..................................................................................... 63
3-5 Contact Us ..................................................................................................... 63
Chapter 4 Unique Features ......................................................................................... 65
4-1 Xpress Recovery2 ......................................................................................... 65
4-2 BIOS Update Utilities ..................................................................................... 70
4-2-1 Updating the BIOS with the Q-Flash Utility ...................................................... 70
4-2-2 Updating the BIOS with the @BIOS Utility ....................................................... 73
4-3 EasyTune 5 Pro ............................................................................................. 75
4-4 Dynamic Energy Saver ................................................................................. 76
4-5 Windows Vista ReadyBoost ........................................................................... 78
Chapter 5 Appendix .................................................................................................... 79
5-1 Configuring SATA Hard Drive(s) .................................................................... 79
5-1-1 Configuring Intel
®
ICH9R SATA Controllers ...................................................... 79
5-1-2 Configuring GIGABYTE SATA2 SATA Controller ............................................. 85
5-1-3 Making a SATA RAID/AHCI Driver Diskette ..................................................... 91
5-1-4 Installing the SATA RAID/AHCI Driver and Operating System ...................... 92
5-2 Configuring Audio Input and Output ............................................................... 100
5-2-1 Configuring 2/4/5.1/7.1-Channel Audio .......................................................... 100
5-2-2 Installing the S/PDIF In Cable (Optional) ......................................................... 102
5-2-3 Enabling the DTS (Digital Theater Systems) Function ................................. 104
5-2-4 Configuring Microphone Recording ................................................................. 105
5-2-5 Using the Sound Recorder ............................................................................... 107
5-3 Teaming ........................................................................................................ 108
5-4 Troubleshooting .............................................................................................. 110
5-4-1 Frequently Asked Questions ........................................................................... 110
5-4-2 Troubleshooting Procedure ............................................................................... 111
Regulatory Statements ................................................................................................113
- 6 -
Box Contents
GA-X48-DQ6 motherboard
Motherboard driver disk
User's Manual
Quick Installation Guide
Intel
®
LGA775 CPU Installation Guide
One IDE cable and one floppy disk drive cable
Four SATA 3Gb/s cables
Two SATA brackets
I/O Shield
Three screws
Optional Items
2-port USB 2.0 bracket (Part No. 12CR1-1UB030-51R)
2-port IEEE 1394a bracket (Part No. 12CF1-1IE008-01R)
2-port SATA power cable (Part No. 12CF1-2SERPW-01R)
S/PDIF in cable (Part No. 12CR1-1SPDIN-01R)
COM port cable (Part No. 12CF1-1CM001-32R)
LPT port cable (Part No. 12CF1-1LP001-01R)
• The box contents above are for reference only and the actual items shall depend on product package you obtain.
The box contents are subject to change without notice.
• The motherboard image is for reference only.
- 7 -
GA-X48-DQ6 Motherboard Layout
KB_MS
CPU_FAN
LGA775
ATX
GA-X48-DQ6
F_AUDIO
PWR_FAN
ATX_12V_2X
Intel
®
X48
USB_LAN1
AUDIO
RCA_SPDIF
USB_1394_1
PCIE_1
SYS_FAN1
USB_1394_2
GIGABYTE
SATA2
SPDIF_IN
F_1394
F_PANEL
PWR_LED
F_USB2
LPT
SYS_FAN2
IDE
F_USB1
CD_IN
FDD
PCIE_16_1
PCIE_2
CODEC
TSB43AB23
PCIE_16_2
PCI1
PCI2
BAT
IT8718
Intel
®
ICH9R
PCIE_3
CLR_CMOS
CI
MAIN_BIOS
BP_BIOS
NB_FAN
DDRII1
DDRII2
DDRII3
DDRII4
COM
SPDIF_O
TPM
SATAII0
SATAII1
RTL8111C
USB_LAN2
RTL8111C
V_PHASE LED
GSATAIIA
GSATAIIB
SATAII2
SATAII4
SATAII5 SATAII3
- 8 -
Block Diagram
2 PCI Express x16
LGA775
Processor
Host
Interface
Intel
®
X48
MCH CLK (400/333/266/200 MHz)
DDR2 1200/1066/800/667 MHz
Dual BIOS
2 PCI
PCI Bus
Dual Channel Memory
6 SATA 3Gb/s
PCI CLK
(33 MHz)
3 IEEE 1394a
12 USB Ports
IT8718
CPU CLK+/-
(400/333/266/200 MHz)
TSB43AB23
Center/Subwoofer Speaker Out
Line-Out
MIC
Line-In
SPDIF In
SPDIF Out
Side Speaker Out
Surround Speaker Out
CODEC
PCIe CLK
(100 MHz)
PCI Express x16
Intel
®
ICH9R
TPM
Floppy
PS/2 KB/Mouse
LPT Port
COM Port
3 PCI Express x1
PCI Express Bus
x1
x1
2 SATA 3Gb/s
ATA-133/100/66/
33 IDE Channel
GIGABYTE
SATA2
x1 x1
PCIe CLK
(100 MHz)
x1
RTL
8111C
LAN1
RJ45
RTL
8111C
LAN2
RJ45
Hardware Installation- 9 -
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, 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
components such as a motherboard, CPU or memory. If you do not have an ESD wrist strap,
keep your hands dry and first 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 certified computer technician.
Chapter 1 Hardware Installation
GA-X48-DQ6 Motherboard - 10 -
1-2 Product Specifications
CPU Support for an Intel
®
Core
TM
2 Extreme processor/
Intel
®
Core
TM
2 Quad processor/Intel
®
Core
TM
2 Duo processor/
Intel
®
Pentium
®
processor Extreme Edition/Intel
®
Pentium
®
D processor/
Intel
®
Pentium
®
4 processor Extreme Edition/Intel
®
Pentium
®
4 processor/
Intel
®
Celeron
®
processor in the LGA 775 package
(Go to GIGABYTE's website for the latest CPU support list.)
L2 cache varies with CPU
Front Side Bus 1600/1333/1066/800 MHz FSB
Chipset North Bridge: Intel
®
X48 Express Chipset
South Bridge: Intel
®
ICH9R
Memory 4 x 1.8V DDR2 DIMM sockets supporting up to 8 GB of system memory
(Note 1)
Dual channel memory architecture
Support for DDR2 1200/1066/800/667 MHz
memory modules
(Go to GIGABYTE's website for the latest memory support list.)
Audio Realtek ALC889A codec
High Definition Audio
2/4/5.1/7.1-channel
Support for DTS (dts NEO:PC)
Support for S/PDIF In/Out
Support for CD In
LAN 2 x Realtek 8111C chips (10/100/1000 Mbit)
Support for Teaming
Expansion Slots 2 x PCI Express x16 slots supporting ATI CrossFireX
TM
technology
(The PCI Express x16 slots conform to PCI Express 2.0 standard.)
3 x PCI Express x1 slots
2 x PCI slots
Storage Interface South Bridge:
- 6 x SATA 3Gb/s connectors (SATAII0, SATAII1, SATAII2, SATAII3,
SATAII4, SATAII5) supporting up to 6 SATA 3Gb/s devices
- Support for SATA RAID 0, RAID 1, RAID 5 and RAID 10
GIGABYTE SATA2 chip:
- 1 x IDE connector supporting ATA-133/100/66/33 and up to 2 IDE devices
- 2 x SATA 3Gb/s connectors (GSATAIIA, GSATAIIB) supporting up to
2 SATA 3Gb/s devices
- Support for SATA RAID 0, RAID 1 and JBOD
iTE IT8718 chip:
- 1 x floppy disk drive connector supporting up to 1 floppy disk drive
IEEE 1394 T.I. TSB43AB23 chip
Up to 3 IEEE 1394a ports (2 on the back panel, 1 via the IEEE 1394a bracket
connected to the internal IEEE 1394a header)
Hardware Installation- 11 -
USB Integrated in the South Bridge
Up to 12 USB 2.0/1.1 ports (8 on the back panel, 4 via the USB brackets
connected to the internal USB headers)
Internal Connectors 1 x 24-pin ATX main power connector
1 x 8-pin ATX 12V power connector
1 x floppy disk drive connector
1 x IDE connector
8 x SATA 3Gb/s connectors
1 x CPU fan header
2 x system fan headers
1 x power fan header
1 x North Bridge fan header
1 x front panel header
1 x front panel audio header
1 x CD In connector
1 x S/PDIF In header
1 x S/PDIF Out header
2 x USB 2.0/1.1 headers
1 x IEEE 1394a header
1 x parallel port header
1 x Trusted Platform Module (TPM) header
1 x serial port header
1 x power LED header
1 x chassis intrusion header
Back Panel 1 x PS/2 keyboard port
Connectors 1 x PS/2 mouse port
1 x coaxial S/PDIF Out connector
1 x optical S/PDIF Out connector
8 x USB 2.0/1.1 ports
2 x IEEE 1394a ports
2 x RJ-45 ports
6 x audio jacks (Center/Subwoofer Speaker Out/Rear Speaker Out/Side
Speaker Out/Line In/Line Out/Microphone)
I/O Controller iTE IT8718 chip
Hardware Monitor System voltage detection
CPU/System temperature detection
CPU/System/Power fan speed detection
CPU overheating warning
CPU/System/Power fan fail warning
CPU fan speed control
(Note 2)
GA-X48-DQ6 Motherboard - 12 -
BIOS 2 x 8 Mbit flash
Use of licensed AWARD BIOS
Support for Dual BIOS
TM
PnP 1.0a, DMI 2.0, SM BIOS 2.4, ACPI 1.0b
Unique Features Support for @BIOS
Support for Download Center
Support for Q-Flash
Support for EasyTune
(Note 3)
Support for Xpress Install
Support for Xpress Recovery2
Support for Virtual Dual BIOS
Support for Dynamic Energy Saver
Bundled Software Norton Internet Security (OEM version)
Overclocking Voltage adjustments in BIOS Setup (CPU/DDR2/PCIe/FSB/(G)MCH)
allow you to:
- Increase CPU voltage
(Note 4)
- Increase DDR2 voltage by 0.05V to 1.55V with 0.05V increment
- Increase PCIe voltage by 0.05V to 0.75V with 0.05V increment
- Increase FSB voltage by 0.05V to 0.35V with 0.05V increment
- Increase (G)MCH voltage by 0.025V to 0.375V with 0.025V increment
Frequency adjustments in BIOS Setup (CPU/DDR2/PCIe) allow you to:
- Adjust CPU host frequency from 100 MHz to 700 MHz with 1 MHz
increment
- Adjust DDR2 frequency
- Adjust PCI Express frequency from 90 MHz to 150 MHz with
1 MHz increment
Operating System Support for Microsoft
®
Windows
®
Vista/XP/2000
(Note 5)
Form Factor ATX Form Factor; 30.5cm x 24.4cm
(Note 1) Due to Windows XP 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.
(Note 2) Whether the CPU fan speed control function is supported will depend on the CPU cooler you
install.
(Note 3) Available functions in Easytune may differ by motherboard model.
(Note 4) The adjustable CPU voltage range depends on the CPU being used.
(Note 5) Due to chipset limitation, Intel ICH9R RAID driver does not support Windows 2000 operating
system.
Hardware Installation- 13 -
1-3 Installing the CPU and CPU Cooler
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 specifications. It is not recom-
mended that the system bus frequency be set beyond hardware specifications since it
does not meet the standard requirements for the peripherals. If you wish to set the fre-
quency beyond the standard specifications, please do so according to your hardware
specifications including the CPU, graphics card, memory, hard drive, etc.
1-3-1 Installing the CPU
A. Locate the alignment keys on the motherboard CPU socket and the notches on the CPU.
NotchNotch
Alignment Key
Alignment Key
LGA 775 CPU
LGA775 CPU Socket
Pin One Corner of the CPU Socket
Triangle Pin One Marking on the CPU
GA-X48-DQ6 Motherboard - 14 -
B. Follow the steps below to correctly install the CPU into the motherboard CPU socket.
Step 2:
Remove the protective socket cover.
Step 4:
Hold the CPU with your thumb and index
fingers. Align the CPU pin one marking (triangle)
with the pin one corner of the CPU socket (or
you may align the CPU notches with the socket
alignment keys) and gently insert the CPU
into position.
Step 3:
Lift the metal load plate on the CPU socket.
Step 5:
Once the CPU is properly inserted, replace
the load plate and push the CPU socket lever
back into its locked position.
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.
Step 1:
Completely raise the CPU socket lever.
CPU Socket Lever
Hardware Installation- 15 -
1-3-2 Installing the CPU Cooler
Follow the steps below to correctly install the CPU cooler on the motherboard. (The following procedure
uses Intel
®
boxed cooler as the example cooler.)
Step 1:
Apply an even and thin layer of thermal grease
on the surface of the installed CPU.
Step 2:
Before installing the cooler, note the direction
of the arrow sign on the male push pin.
(Turning the push pin along the direction of
arrow is to remove the cooler, on the contrary,
is to install.)
Male
Push Pin
Female
Push Pin
The Top
of Female
Push Pin
Direction of
the Arrow Sign
on the Male
Push Pin
Step 3:
Place the cooler atop the CPU, aligning the
four push pins through the pin holes on the
motherboard. Push down on the push pins
diagonally.
Step 4:
You should hear a "click" when pushing down each
push pin. Check that the Male and Female push pins
are joined closely. (Refer to your CPU cooler instal-
lation manual for instructions on installing the 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 5:
After the installation, check the back of the
motherboard. If the push pin is inserted as the
picture above, the installation is complete.
Step 6:
Finally, attach the power connector of the CPU
cooler to the CPU fan header (CPU_FAN) on
the motherboard.
GA-X48-DQ6 Motherboard - 16 -
1-3-3 Installing the Crazy Cool Heatsink on the Back of the Motherboard
Please follow the steps below to install the Crazy Cool heatsink provided with the motherboard.
Please prepare:
1. A Philips screwdriver
2. The Crazy Cool heatsink and three screws provided
with the motherboard
• Use extreme care when installing or removing the
Crazy Cool heatsink. The user shall be responsible
for damage of motherboard function(s) or component(s)
resulting from the removal of the Crazy Cool heatsink.
• Always keep the removed screws in a safe place.
The Crazy Cool Heatsink/Screws
Step 1:
Unfasten the two bolts
holding the North
Bridge heatsink (as
shown in the picture
Step 4:
As shown, align the
three provided screws
with the mounting
holes on the
(Note) The components received may vary in appearance from the ones illustrated above.
Step 2:
Affix the Crazy Cool
heatsink to the back of
the motherboard.
Step 3:
On the front side of the
motherboard, align the
the two bolts removed
in Step 1 with the nuts
to the left) and re-
move the bolts. Re-
move the back plate
from the back of the
motherboard.
on the Crazy Cool
heatsink and then
fasten the bolts
tightly.
motherboard and
the Crazy Cool
heatsink and then
tighten the screws
to complete the
Crazy Cool
installation.
Hardware Installation- 17 -
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 memory support list.)
• 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.
DDRII1
DDRII2
DDRII3
DDRII4
1-4-1 Dual Channel Memory Configuration
This motherboard provides four DDR2 memory sockets and supports Dual Channel Technology. After
the memory is installed, the BIOS will automatically detect the specifications and capacity of the
memory. Enabling Dual Channel memory mode will double the original memory bandwidth.
The four DDR2 memory sockets are divided into two channels and each channel has two memory
sockets as following:
Channel 0: DDRII1, DDRII2
Channel 1: DDRII3, DDRII4
Due to chipset limitation, read the following guidelines before installing the memory in Dual Channel mode.
1. Dual Channel mode cannot be enabled if only one DDR2 memory module is installed.
2. When enabling Dual Channel mode with two or four memory modules, it is recommended that
memory of the same capacity, brand, speed, and chips be used and installed in the same
colored DDR2 sockets for optimum performance.
When memory modules of different capacity and chips are installed, a message which says
memory is operating in Flex Memory Mode will appear during the POST. Intel
®
Flex Memory
Technology offers greater flexibility to upgrade by allowing different memory sizes to be
populated and remain in Dual Channel mode/performance.
Two Modules
Four Modules
DDRII1 DDRII2 DDRII3 DDRII4
DS/SS - - DS/SS - -
- - DS/SS - - DS/SS
DS/SS DS/SS DS/SS DS/SS
Dual Channel Memory Configurations Table
(SS=Single-Sided, DS=Double-Sided, "- -"=No Memory)
GA-X48-DQ6 Motherboard - 18 -
1-4-2 Installing a Memory
Notch
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.
DDR2 DIMMs are not compatible to DDR DIMMs. Be sure to install DDR2 DIMMs on
this motherboard.
DDR2 DIMM
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 fingers 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.
A DDR2 memory module has a notch, so it can only fit in one direction. Follow the steps below to
correctly install your memory modules in the memory sockets.
Hardware Installation- 19 -
1-5 Installing an Expansion Card
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.
Follow the steps below to correctly install your expansion card in the expansion slot.
1. Locate an expansion slot that supports your card. Remove the metal slot cover from the chassis back panel.
2. Align the card with the slot, and press down on the card until it is fully seated in the slot.
3. Make sure the metal contacts on the card are completely inserted into the slot.
4. Secure the card's metal bracket to the chassis back panel with a screw.
5. After installing all expansion cards, replace the chassis cover(s).
6. Turn on your computer. If necessary, go to BIOS Setup to make any required BIOS changes for
your expansion card(s).
7. Install the driver provided with the expansion card in your operating system.
PCI Express x1 Slot
PCI Slot
PCI Express x16 Slot
Example: Installing and Removing a PCI Express x16 Graphics Card:
• Installing a Graphics Card:
Gently push down on the top edge of the card
until it is fully inserted into the PCI Express x16
slot. Make sure the card is securely seated in
the slot and does not rock.
• Removing the Card:
Gently push back on the lever on the slot and then lift the card straight out
from the slot.
GA-X48-DQ6 Motherboard - 20 -
1-6 Installing the SA TA Bracket
The SATA bracket includes one SATA bracket, one
SATA signal cable, and one SATA power cable.
Step 1:
Locate one free PCI
slot and secure the
SATA bracket to the
chassis back panel
with a screw.
Follow the steps below to install the SATA bracket:
Step 2:
Connect the SATA
cable from the bracket
to the SATA port on
your motherboard.
Step 3:
Connect the power
cable from the bracket
to the power supply.
Step 4:
Plug one end of the
SATA signal cable into
the external SATA con-
nector on the bracket.
Then attach the SATA
power cable to the
power connector on
the bracket.
The SATA bracket allows you to connect external SATA device(s) to your system by expanding the
internal SATA port(s) to the chassis back panel.
• Turn off your system and the power switch on the power supply before installing or
removing the SATA bracket and SATA power cable to prevent damage to hardware.
• Insert the SATA signal cable and SATA power cable securely into the corresponding connec-
tors when installing.
Step 5:
Connect the other ends of the SATA signal cable and SATA power cable
to your SATA device. For SATA device in external enclosure, you only
need to connect the SATA signal cable. Before connecting the SATA signal
cable, make sure to turn off the power of the external enclosure.
SATA Bracket
External
SATA
Connector
Power
Connector
External SATA
Connector
SATA Signal Cable SATA Power Cable
Hardware Installation- 21 -
• When removing the cable connected to a back panel connector, first 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:
State Description
Blinking Data transmission or receiving is occurring
Off No data transmission or receiving is occurring
Connection/Speed LED:
State Description
Orange 1 Gpbs data rate
Green 100 Mpbs data rate
Off 10 Mpbs data rate
1-7 Back Panel Connectors
PS/2 Keyboard and PS/2 Mouse Port
Use the upper port (green) to connect a PS/2 mouse and the lower port (purple) to connect a PS/2
keyboard.
Coaxial S/PDIF Out Connector
This connector provides digital audio out to an external audio system that supports digital coaxial
audio. Before using this feature, ensure that your audio system provides a coaxial digital audio in
connector.
Optical S/PDIF Out Connector
This connector provides digital audio out to an external audio system that supports digital optical
audio. Before using this feature, ensure that your audio system provides an optical digital audio in
connector.
IEEE 1394a Port
The IEEE 1394 port supports the IEEE 1394a specification, featuring high speed, high bandwidth
and hotplug capabilities. Use this port for an IEEE 1394a device.
USB Port
The USB port supports the USB 2.0/1.1 specification. Use this port for USB devices such as an
USB keyboard/mouse, USB printer, USB flash drive and etc.
RJ-45 LAN Port
The Gigabit Ethernet LAN port provides Internet connection at up to 1 Gbps data rate. The following
describes the states of the LAN port LEDs.
*
* The positions of the optical S/PDIF out and coaxial S/PDIF out connectors may be interchanged
based on the hardware design.
GA-X48-DQ6 Motherboard - 22 -
Center/Subwoofer Speaker Out Jack (Orange)
Use this audio jack to connect center/subwoofer speakers in a 5.1/7.1-channel audio configuration.
Rear Speaker Out Jack (Black)
Use this audio jack to connect rear speakers in a 4/5.1/7.1-channel audio configuration.
Side Speaker Out Jack (Gray)
Use this audio jack to connect side speakers in a 7.1-channel audio configuration.
Line In Jack (Blue)
The default line in jack. Use this audio jack for line in devices such as an optical drive, walkman, etc.
Line Out Jack (Green)
The default line out jack. Use this audio jack for a headphone or 2-channel speaker. This jack can
be used to connect front speakers in a 4/5.1/7.1-channel audio configuration.
Mic In Jack (Pink)
The default Mic in jack. Microphones must be connected to this jack.
In addition to the default speakers settings, the ~ audio jacks can be reconfigured to
perform different functions via the audio software. Only microphones still MUST be con-
nected to the default Mic in jack ( ). Refer to the instructions on setting up a 2/4/5.1/
7.1-channel audio configuration in Chapter 5, "Configuring 2/4/5.1/7.1-Channel Audio."
Hardware Installation- 23 -
1-8 Internal Connectors
Read the following guidelines before connecting external devices:
• First make sure your devices are compliant with the connectors you wish to connect.
• Before installing the devices, be sure to turn off the devices and your computer. Unplug the
power cord from the power outlet to prevent damage to the devices.
• After installing the device and before turning on the computer, make sure the device cable
has been securely attached to the connector on the motherboard.
2
1
3
19
7
9
8
14
20
15
5
25
13
6
4
23
4
1016
17
12
11
91821 22
24
1) ATX_12V_2X
2) ATX
3) CPU_FAN
4) SYS_FAN1/SYS_FAN2
5) PWR_FAN
6) NB_FAN
7) FDD
8) IDE
9) SATAII0/1/2/3/4/5
10) GSATAIIA/B
11) PWR_LED
12) B AT
13) F_PANEL
14) F_AUDIO
15) CD_IN
16) SPDIF_IN
17) SPDIF_O
18) F_USB1/F_USB2
19) F_1394
20) L PT
21) T P M
22) COM
23) CI
24) CLR_CMOS
25) V_PHASE LED
GA-X48-DQ6 Motherboard - 24 -
131
24
12
1/2) ATX_12V_2X/ATX (2x4 12V Power Connector and 2x12 Main Power Connector)
With the use of the power connector, the power supply can supply enough stable power to all the
components on the motherboard. Before connecting the power connector, first make sure the
power supply is turned off and all devices are properly installed. The power connector possesses
a foolproof design. Connect the power supply cable to the power connector in the correct orientation.
The 12V power connector mainly supplies power to the CPU. If the 12V power connector is not
connected, the computer will not start.
Pin No. Definition
13 3.3V
14 -12V
15 GND
16 PS_ON(soft On/Off)
17 GND
18 GND
19 GND
20 -5V
21 +5V
22 +5V
23 +5V
24 GND
Pin No. Definition
1 3.3V
2 3.3V
3 GND
4 +5V
5 GND
6 +5V
7 GND
8 Power Good
9 5V SB(stand by +5V)
10 +12V
11 +12V
12 3.3V
1
4
5
8
ATX_12V_2X
ATX
ATX :
• Use of a power supply providing a 2x4 12V power connector is recommended by the
CPU manufacturer when using an Intel Extreme Edition CPU (130W).
• To meet expansion requirements, it is recommended that a power supply that can withstand
high power consumption be used (500W or greater). The main power connector is compatible
with power supplies with 2x10 power connectors. To prevent system instability or system's
failure to boot, be sure to connect a power supply providing a 2x12 power connector.
• The ATX_12V_2X power connector is compatible with power supplies with 2x2 12V power
connector. When using a power supply providing a 2x4 12V and power connector, remove the
protective covers from the 12V power connector and the main power connector on the motherboard.
Do not insert the power supply cables into pins under the protective covers when using a power
supply providing a 2x2 12V power connector.
ATX_12V_2X:
Pin No. Definition
1 GND (Only for 2x4 pin 12V)
2 GND (Only for 2x4 pin 12V)
3 GND
4 GND
5 +12V (Only for 2x4 pin 12V)
6 +12V (Only for 2x4 pin 12V)
7 +12V
8 +12V
Hardware Installation- 25 -
6) NB_FAN (North Bridge Fan Header)
Connect the North Bridge fan cable to this header. The fan header has a foolproof insertion design.
When connecting a fan cable, be sure to connect it in the correct orientation. Most fans are designed
with color-coded power connector wires. A red power connector wire indicates a positive connec-
tion and requires a +12V voltage. The black connector wire is the ground wire.
1
• Be sure to connect fan cables to the fan headers to prevent your CPU, North Bridge and
system from overheating. Overheating may result in damage to the CPU/North Bridge or
the system may hang.
• These fan headers are not configuration jumper blocks. Do not place a jumper cap on the
headers.
3/4/5) CPU_FAN/SYS_F AN1/SYS_F AN2/PWR_FAN (Fan Headers)
The motherboard has a 4-pin CPU fan header (CPU_FAN), a 3-pin (SYS_FAN1) and a 4-pin
(SYS_FAN2) system fan headers, and a 3-pin power fan header (PWR_FAN). Each fan header
supplies a +12V power voltage and possesses a foolproof insertion design. When connecting a fan
cable, be sure to connect it in the correct orientation. Most fans are designed with color-coded
power connector wires. A red power connector wire indicates a positive connection and requires
a +12V voltage. The black connector wire is the ground wire. The motherboard supports CPU fan
speed control, which requires the use of a CPU fan with fan speed control design. For optimum
heat dissipation, it is recommended that a system fan be installed inside the chassis.
Pin No. Definition
1 GND
2 +12V
3 Sense
SYS_FAN1/PWR_FAN:
Pin No. Definition
1 GND
2 +12V
3NC
1
PWR_FAN
1
SYS_FAN1
1
CPU_FAN
SYS_FAN2
1
Pin No. Definition
1 GND
2 +12V / Speed Control
3 Sense
4 Speed Control
CPU_FAN:
Pin No. Definition
1 GND
2 Speed Control
3 Sense
4 +5V
SYS_FAN2:
GA-X48-DQ6 Motherboard - 26 -
7) FDD (Floppy Disk Drive Connector)
This connector is used to connect a floppy disk drive. The types of floppy disk drives supported
are: 360 KB, 720 KB, 1.2 MB, 1.44 MB, and 2.88 MB. Before connecting a floppy disk drive, be
sure to locate pin 1 of the connector and the floppy disk drive cable. The pin 1 of the cable is
typically designated by a stripe of different color.
1
2
33
34
8) IDE (IDE Connector)
The IDE connector supports up to two IDE devices such as hard drives and optical drives. Before
attaching the IDE cable, locate the foolproof groove on the connector. If you wish to connect two IDE
devices, remember to set the jumpers and the cabling according to the role of the IDE devices (for
example, master or slave). (For information about configuring master/slave settings for the IDE
devices, read the instructions from the device manufacturers.)
4039
2
1
Hardware Installation- 27 -
9) SATAII0/1/2/3/4/5 (SATA 3Gb/s Connectors, Controlled by ICH9R)
The SATA connectors conform to SATA 3Gb/s standard and are compatible with SATA 1.5Gb/s
standard. Each SATA connector supports a single SATA device. The ICH9R controller supports
RAID 0, RAID 1, RAID 5 and RAID 10. Refer to Chapter 5, "Configuring SATA Hard Drive(s)," for
instructions on configuring a RAID array.
Pin No. Definition
1 GND
2 TXP
3 TXN
4 GND
5 RXN
6 RXP
7 GND
• A RAID 0 or RAID 1 configuration requires at least two hard drives. If more than two hard
drives are to be used, the total number of hard drives must be an even number.
• A RAID 5 configuration requires at least three hard drives. (The total number of hard
drives does not have to be an even number.)
• A RAID 10 configuration requires at least four hard drives and the total number of hard
drives must be an even number.
7
17
1
SATAII0
SATAII1
7
17
1
SATAII2
SATAII3
SATAII4
SATAII5
71
17
10 ) GSATAIIA/GSA TAIIB (SA TA 3Gb/s Connectors, Controlled by GIGABYTE SAT A2, Purple)
The SATA connectors conform to SATA 3Gb/s standard and are compatible with SATA 1.5Gb/s
standard. Each SATA connector supports a single SATA device. The GIGABYTE SATA2 controller
supports RAID 0 and RAID 1. Refer to Chapter 5, "Configuring SATA Hard Drive(s)," for instructions
on configuring a RAID array.
Pin No. Definition
1 GND
2 TXP
3 TXN
4 GND
5 RXN
6 RXP
7 GND
GSATAIIA
GSATAIIB
7
1
7
1
Please connect the L-shaped end
of the SATA 3Gb/s cable to your
SATA hard drive.
GA-X48-DQ6 Motherboard - 28 -
11 ) PWR_LED (System Power LED Header)
This header can be used to connect a system power LED on the chassis to indicate system power
status. The LED is on when the system is operating. The LED keeps blinking when the system is
in S1 sleep state. The LED is off when the system is in S3/S4 sleep state or powered off (S5).
Pin No. Definition
1 MPD+
2 MPD-
3 MPD-
System Status LED
S0 On
S1 Blinking
S3/S4/S5 Off
1
12) BAT (BATTERY)
The battery provides power to keep the values (such as BIOS configurations, date, and time
information) in the CMOS when the computer is turned off. Replace the battery when the battery
voltage drops to a low level, or the CMOS values may not be accurate or may be lost.
• Always turn off your computer and unplug the power cord before replacing the battery.
• Replace the battery with an equivalent one. Danger of explosion if the battery is replaced
with an incorrect model.
• Contact the place of purchase or local dealer if you are not able to replace the battery by
yourself or uncertain about the battery model.
• When installing the battery, note the orientation of the positive side (+) and the negative
side (-) of the battery (the positive side should face up).
• Used batteries must be handled in accordance with local environmental regulations.
You may clear the CMOS values by removing the battery:
1. Turn off your computer and unplug the power cord.
2. Gently remove the battery from the battery holder and wait for one minute.
(Or use a metal object like a screwdriver to touch the positive and
negative terminals of the battery holder, making them short for 5 seconds.)
3. Replace the battery.
4. Plug in the power cord and restart your computer.
Hardware Installation- 29 -
13) F_PANEL (Front Panel Header)
Connect the power switch, reset switch, speaker and system status indicator on the chassis front
panel to this header according to the pin assignments below. Note the positive and negative pins
before connecting the cables.
• PW (Power Switch, Red):
Connects to the power switch on the chassis front panel. You may configure the way to turn off
your system using the power switch (refer to Chapter 2, "BIOS Setup," "Power Management
Setup," for more information).
• SPEAK (Speaker, Orange):
Connects to the speaker on the chassis front panel. The system reports system startup status
by issuing a beep code. One single short beep will be heard if no problem is detected at system
startup. If a problem is detected, the BIOS may issue beeps in different patterns to indicate the
problem. Refer to Chapter 5, "Troubleshooting," for information about beep codes.
• HD (Hard Drive Activity LED, Blue)
Connects to the hard drive activity LED on the chassis front panel. The LED is on when the hard
drive is reading or writing data.
• RES (Reset Switch, Green):
Connects to the reset switch on the chassis front panel. Press the reset switch to restart the
computer if the computer freezes and fails to perform a normal restart.
• NC (Purple):
No connection
System Status LED
S0 On
S1 Blinking
S3/S4/S5 Off
• MSG (Message/Power/Sleep LED, Yellow):
Connects to the power status indicator on the chassis front panel. The
LED is on when the system is operating. The LED keeps blinking when
the system is in S1 sleep state. The LED is off when the system is in
S3/S4 sleep state or powered off (S5).
The front panel design may differ by chassis. A front panel module mainly consists of
power switch, reset switch, power LED, hard drive activity LED, speaker and etc. When
connecting your chassis front panel module to this header, make sure the wire assign-
ments and the pin assignments are matched correctly.
1
2
19
20
HD-
HD+
RES+
RES-
NC
SPEAK-
MSG-
MSG+
PW-
PW+
Message/Power/
Sleep LED
Speaker
SPEAK+
Power
Switch
Hard Drive
Activity LED
Reset
Switch
GA-X48-DQ6 Motherboard - 30 -
14) F_AUDIO (Front Panel Audio Header)
The front panel audio header supports Intel High Definition audio (HD) and AC'97 audio. You may
connect your chassis front panel audio module to this header. Make sure the wire assignments of
the module connector match the pin assignments of the motherboard header. Incorrect connection
between the module connector and the motherboard header will make the device unable to work
or even damage it.
15) CD_IN (CD In Connector, Black)
You may connect the audio cable that came with your optical drive to the header.
Pin No. Definition
1 CD-L
2 GND
3 GND
4 CD-R
10
9
21
For AC'97 Front Panel Audio:
1
• The front panel audio header supports HD audio by default. If your chassis provides an
AC'97 front panel audio module, refer to the instructions on how to activate AC'97 functioninality
via the audio software in Chapter 5, "Configuring 2/4/5.1/7.1-Channel Audio."
• When using an AC'97 front panel audio module, you can use either the front or the back
panel audio connectors, but not both at the same time.
• Some chassis provide a front panel audio module that has separated connectors on each
wire instead of a single plug. For information about connecting the front panel audio
module that has different wire assignments, please contact the chassis manufacturer.
Pin No. Definition
1 MIC
2 GND
3 MIC Power
4NC
5 Line Out (R)
6NC
7NC
8 No Pin
9 Line Out (L)
10 NC
Pin No. Definition
1 MIC2_L
2 GND
3 MIC2_R
4 -ACZ_DET
5 LINE2_R
6 GND
7 FAUDIO_JD
8 No Pin
9 LINE2_L
10 GND
For HD Front Panel Audio:
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