Gigabyte GA-X48T-DQ6 Manual
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GA-X48T-DQ6
LGA775 socket motherboard for Intel® CoreTM processor family/
Intel® Pentium® processor family/Intel ® Celeron® processor family
User's Manual
Rev. 1002
12ME-X48TDQ6-1002R

Motherb oard
GA-X48T-DQ6
Dec. 14, 2007
Moth erbo ard
GA-X48T-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-X48T-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
2-14 Exit Without Saving ....................................................................................... 60

GA-X48T-DQ6 Motherboard - 12 -
(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) Each channel can only fit one memory module when using DDR3 1900/1600 MHz memory
module.
(Note 3) Whether the CPU fan speed control function is supported will depend on the CPU cooler you
install.
(Note 4) Available functions in Easytune may differ by motherboard model.
(Note 5) The adjustable CPU voltage range depends on the CPU being used.
(Note 6) Due to chipset limitation, Intel ICH9R RAID driver does not support Windows 2000 operating
system.
BIOS 2 x 8 Mbit flash
Use of licensed AWARD BIOS
Support for Dual BIOSTM
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 4)
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/DDR3/PCIe/FSB/(G)MCH)
allow you to:
- Increase CPU voltage (Note 5)
- Increase DDR3 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 0.775V with 0.025V increment
Frequency adjustments in BIOS Setup (CPU/DDR3/PCI-E) allow you to:
- Adjust CPU host frequency from 100 MHz to 700 MHz with 1 MHz
increment
- Adjust DDR3 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 6)
Form Factor ATX Form Factor; 30.5cm x 24.4cm

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.
Male
Push Pin
Female
Push Pin
The Top
of Female
Push Pin
Direction of
the Arrow Sign
on the Male
Push Pin
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.)
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.
Produkt Specifikationer
Mærke: | Gigabyte |
Kategori: | Bundkort |
Model: | GA-X48T-DQ6 |
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