GA-946-DS3/
GA-946-S3
LGA775 socket motherboard for Intel® CoreTM processor family/ Intel® Pentium® processor family/Intel® Celeron® processor family
User's Manual
Rev. 3301 12ME-946DS3-3301R
*The WEEE marking on the product indicates this product must not be disposed of with user's other household waste and must be handed over to a designated collection point for the recycling of waste electrical and electronic equipment!!
*The WEEE marking applies only in European Union's member states.
Motherboard
GA-946-DS3/GA-946-S3
Motherboard
GA-946-DS3/GA-946-S3
Jun. 1, 2007
Jun. 1, 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 exclusive 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:
Table of Contents
OptionalItems ................................................................................................................. |
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6 |
Box Contents ................................................................................................................. |
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6 |
GA-946-DS3/S3 Motherboard Layout ............................................................................ |
7 |
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Block Diagram ................................................................................................................ |
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8 |
Chapter 1 Hardware Installation .................................................................................... |
9 |
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1-1 |
Installation Precautions ..................................................................................... |
9 |
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1-2 |
Product Specifications .................................................................................... |
10 |
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1-3 |
Installing the CPU and CPU Cooler .............................................................. |
13 |
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1-3-1 |
Installing the CPU ................................................................................................ |
13 |
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1-3-2 Installing the CPU Cooler ................................................................................... |
15 |
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1-4 |
Installing the Memory ..................................................................................... |
16 |
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1-4-1 Dual Channel Memory Configuration ................................................................ |
16 |
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1-4-2 |
Installing a Memory ............................................................................................. |
17 |
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1-5 |
Installing an Expansion Card ......................................................................... |
18 |
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1-6 |
Back Panel Connectors ................................................................................. |
19 |
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1-7 |
Internal Connectors ........................................................................................ |
21 |
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Chapter 2 BIOS Setup ................................................................................................. |
31 |
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2-1 |
Startup Screen ................................................................................................ |
32 |
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2-2 |
The Main Menu .............................................................................................. |
33 |
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2-3 |
Standard CMOS Features ............................................................................. |
35 |
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2-4 |
Advanced BIOS Features .............................................................................. |
37 |
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2-5 |
Integrated Peripherals ..................................................................................... |
39 |
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2-6 |
Power Management Setup ............................................................................. |
42 |
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2-7 |
PnP/PCI Configurations ................................................................................. |
44 |
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2-8 |
PC Health Status ........................................................................................... |
45 |
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2-9 |
MB Intelligent Tweaker(M.I.T.) ....................................................................... |
47 |
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2-10 |
Load Fail-Safe Defaults ................................................................................... |
50 |
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2-11 |
Load Optimized Defaults ................................................................................. |
50 |
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2-12 |
Set Supervisor/User Password ..................................................................... |
51 |
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2-13 |
Save & Exit Setup ......................................................................................... |
52 |
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2-14 |
Exit Without Saving ....................................................................................... |
52 |
- 4 -
Chapter 3 Drivers Installation ...................................................................................... |
53 |
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3-1 |
Installing Chipset Drivers ............................................................................... |
53 |
3-2 |
Software Applications ..................................................................................... |
54 |
3-3 |
Driver CD Information .................................................................................... |
54 |
3-4 |
Hardware Information ..................................................................................... |
55 |
3-5 |
Contact Us ..................................................................................................... |
55 |
Chapter 4 Unique Features ......................................................................................... |
57 |
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4-1 |
Xpress Recovery2 ......................................................................................... |
57 |
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4-2 |
BIOS Update Utilities ..................................................................................... |
62 |
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4-2-1 |
Updating the BIOS with the Q-Flash Utility ...................................................... |
62 |
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4-2-2 |
Updating the BIOS with the @BIOS Utility ....................................................... |
65 |
4-3 |
EasyTune 5 .................................................................................................... |
67 |
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4-4 |
Windows Vista ReadyBoost ........................................................................... |
68 |
Chapter 5 Appendix |
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69 |
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5-1 |
Configuring Audio Input and Output ................................................................. |
69 |
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5-1-1 |
Configuring 2/4/5.1/7.1 - Channel Audio ............................................................ |
69 |
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5-1-2 Installing the S/PDIF In and Out Cable (Optional) ............................................ |
71 |
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5-1-3 ................................................................... |
Configuring Microphone Recording |
73 |
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5-1-4 .................................................................................Using the Sound Recorder |
75 |
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5-2 |
Troubleshooting ............................................................................................... |
76 |
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5-2-1 ............................................................................. |
Frequently Asked Questions |
76 |
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5-2-2 ................................................................................ |
Troubleshooting Procedure |
77 |
- 5 -
Box Contents
GA-946-DS3 or GA-946-S3 motherboard
Motherboard driver disk
User's Manual
Quick Installation Guide
Intel® LGA775 CPU Installation Guide
One IDE cable and one floppy disk drive cable
Two SATA 3Gb/s cables
I/O Shield
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.
Optional Items
2-port USB 2.0 bracket (Part No. 12CR1-1UB030-51/R) 4-port USB 2.0 bracket (Part No. 12CR1-1UB030-21/R) SATA bracket (Part No. 12CF1-3SATPW-11R )
S/PDIF in and out cable (Part No. 12CR1-1SPINO-11/R)
- 6 -
GA-946-DS3/S3 Motherboard Layout
KB_MS
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ATX_12V |
COMA |
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LPT |
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USB |
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USB |
LAN |
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AUDIO1 |
AUDIO |
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AUDIO2 |
NB_FAN |
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F_ |
PCIE_3 |
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PCIE_16 |
RTL8111B |
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PCIE_1 |
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CODEC |
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PCIE_2 |
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PCI1 |
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IT8718 |
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PCI2 |
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PCI3 |
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CI |
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FDD |
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CD_IN |
SPDIF_IO |
CPU_FAN
LGA775
DS3/S3-946
-GA PWR_FAN
Intel® 946GZ
DDRII1 |
ATX |
DDRII2 |
DDRII3 DDRII4 |
CLR_CMOS
Intel® ICH7
BAT
SATAII0 SATAII2
SATAII1 SATAII3
BIOS SYS_FAN
IDE1
PWR_LED F_PANEL
F_USB1 F_USB2
"*" Only the GA-946-DS3 adopts All-Solid Capacitor design.
- 7 -
Block Diagram
PCIe CLK
(100 MHz) LGA775
Processor
Host
Interface
PCI Express x16
Intel® 946GZ
LAN
RJ45
RTL 8111B
PCI Express Bus |
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x 1 |
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3 PCI Express x1 |
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x 1 |
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x 1 |
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Intel® ICH7 |
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PCIe CLK |
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(100 MHz) |
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PCI Bus |
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CODEC |
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Speaker Out Speaker Out Speaker Out MIC Line-Out Line-In SPDIF In SPDIF Out |
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Surround Center/Subwoofer Side |
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3 PCI |
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PCI CLK |
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(33 MHz) |
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CPU CLK+/-
(266/200/133 MHz)
DDR2 667 (Note)/533 MHz
Dual Channel Memory
GMCH CLK
(266/200/133 MHz)
BIOS
ATA-100/66/33
IDE Channel
4 SATA 3Gb/s
8 USB Ports
Floppy
LPT Port
IT8718
COM Port
PS/2 KB/Mouse
(Note) Use of a 1066/800 MHz FSB CPU is required if you wish to install DDR2 667 MHz memory.
- 8 -
Chapter 1 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, 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 a 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.
English
- 9 - |
Hardware Installation |
English
1-2 |
Product Specifications |
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CPU |
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Support for an Intel® CoreTM 2 Extreme processor/ |
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Intel® CoreTM 2 Quad processor/Intel® CoreTM 2 Duo processor/ |
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Intel® Pentium® processor Extreme Edition/Intel® Pentium® D processor/ |
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Intel® Pentium® 4 processor Extreme Edition/Intel® Pentium® 4 processor/ |
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Intel® Celeron® D processor in the LGA 775 package |
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(Go to GIGABYTE's website for the latest CPU support list.) |
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Support for Intel® Hyper-Threading Technology |
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L2 cache varies with CPU |
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Front Side Bus |
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1066/800/533 MHz FSB |
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Chipset |
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North Bridge: Intel® 946GZ Express Chipset |
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South Bridge: Intel® ICH7 |
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Memory |
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4 x 1.8V DDR2 DIMM sockets supporting up to 4 GB of system memory (Note 1) |
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Dual channel memory architecture |
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Support for DDR2 667 (Note 2)/533 MHz memory modules (Note 3) |
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(Go to GIGABYTE's website for the latest memory support list.) |
Audio |
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Realtek ALC889A codec |
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High Definition Audio |
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2/4/5.1/7.1-channel |
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Support for S/PDIF In/Out |
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Support for CD In |
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LAN |
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RTL 8111B chip (10/100/1000 Mbit) |
Expansion Slots |
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1 x PCI Express x16 slot |
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3 x PCI Express x1 slots |
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3 x PCI slots |
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Storage Interface |
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South Bridge: |
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- 1 x floppy disk drive connector supporting up to 1 floppy disk drive |
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- 1 x IDE connector supporting ATA-100/66/33 and up to 2 IDE devices |
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- 4 x SATA 3Gb/s connectors supporting up to 4 SATA 3Gb/s devices |
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USB |
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Integrated in the South Bridge |
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Up to 8 USB 2.0/1.1 ports (4 on the back panel, 4 via the USB brackets |
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connected to the internal USB headers) |
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"*" Only the GA-946-DS3 adopts All-Solid Capacitor design.
GA-946-DS3/S3 Motherboard |
- 10 - |
Internal Connectors |
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1 |
x 24-pin ATX main power connector |
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1 x 4-pin ATX 12V power connector |
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1 x floppy disk drive connector |
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1 x IDE connector |
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4 x SATA 3Gb/s connectors |
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1 x CPU fan header |
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1 x system fan header |
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1 x power fan header |
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1 x North Bridge fan header |
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1 x front panel header |
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1 x front panel audio header |
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1 x CD In connector |
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1 x S/PDIF In/Out header |
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2 x USB 2.0/1.1 headers |
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1 x chassis intrusion header |
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1 x power LED header |
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Back Panel |
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1 x PS/2 keyboard port |
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Connectors |
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1 x PS/2 mouse port |
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1 x parallel port |
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1 x serial port |
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4 x USB 2.0/1.1 ports |
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1 x RJ-45 port |
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6 x audio jacks (Center/Subwoofer Speaker Out/Rear Speaker Out/Side |
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Speaker Out/Line In/Line Out/Microphone) |
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I/O Controller |
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iTE IT8718 chip |
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Hardware Monitor |
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System voltage detection |
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CPU/System temperature detection |
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CPU/System/Power fan speed detection |
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CPU overheating warning |
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CPU/System/Power fan fail warning |
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CPU fan speed control |
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BIOS |
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1 x 4 Mbit flash |
Use of licensed AWARD BIOS
PnP 1.0a, DMI 2.0, SM BIOS 2.3, ACPI 1.0b
English
- 11 - |
Hardware Installation |
English
Unique Features |
Support for @BIOS |
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Support for Download Center |
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Support for Q-Flash |
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Support for EasyTune (Note 4) |
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Support for Xpress Install |
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Support for Xpress Recovery2 |
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Support for Virtual Dual BIOS |
Bundled Software |
Norton Internet Security (OEM version) |
Operating System |
Support for Microsoft® Windows® Vista/XP/2000 |
Form Factor |
ATX Form Factor; 30.5cm x 21.0cm |
(Note 1) Based on standard PC architecture, a certain amount of memory is reserved for system usage and therefore the actual memory size is less than the stated amount. For example, 4 GB of memory size will instead be shown as 3.xx GB during system startup.
(Note 2) Use of a 1066/800 MHz FSB CPU is required if you wish to install DDR2 667 MHz memory. (Note 3) Some memory configurations will cause DDR2 667 memory to operate at 533 MHz and
DDR2 533 at 400 MHz. (Please refer to to Page 16 for more information.) (Note 4) Available functions in Easytune may differ by motherboard model.
GA-946-DS3/S3 Motherboard |
- 12 - |
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 recommended 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 frequency beyond the standard specifications, please do so according to your hardware specifications including the CPU, graphics card, memory, hard drive, etc.
Hyper-Threading Technology System Requirements:
(Go to Intel's website for more information about the Hyper-Threading Technology)
•An Intel® CPU that supports HT Technology
•A chipset that supports HT Technology
•An operating system that is optimized for HT Technology
•A BIOS that supports HT Technology and has it enabled
(Refer to Chapter 2, "BIOS Setup," "Advanced BIOS Features," for instructions on enabling the HT Technology.)
1-3-1 Installing the CPU
A. Locate the alignment keys on the motherboard CPU socket and the notches on the CPU.
LGA775 CPU Socket
Alignment Key |
Alignment Key |
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Pin One Corner of the CPU Socket |
LGA 775 CPU
Notch |
Notch |
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Triangle Pin One Marking on the CPU |
English
- 13 - |
Hardware Installation |
English
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.
CPU Socket Lever
Step 1: |
Step 2: |
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Completely raise the CPU socket lever. |
Remove the protective socket cover. |
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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.
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.
GA-946-DS3/S3 Motherboard |
- 14 - |
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.)
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Male |
Direction of |
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Push Pin |
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the Arrow Sign |
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on the Male |
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The Top |
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of Female |
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Push Pin |
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Push Pin |
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Step 1: |
Step 2: |
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Apply an even and thin layer of thermal grease |
Before installing the cooler, note the direction |
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on the surface of the installed CPU. |
of the arrow sign |
on the male push pin. |
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(Turning the push pin along the direction of |
arrow is to remove the cooler, on the contrary, is to install.)
Step 3: |
Step 4: |
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Place the cooler atop the CPU, aligning the |
You should hear a "click" when pushing down each |
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four push pins through the pin holes on the |
push pin. Check that the Male and Female push pins |
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motherboard. Push down on the push pins |
are joined closely. (Refer to your CPU cooler instal- |
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diagonally. |
lation manual for instructions on installing the cooler.) |
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Step 5: |
Step 6: |
After the installation, check the back of the |
Finally, attach the power connector of the CPU |
motherboard. If the push pin is inserted as the |
cooler to the CPU fan header (CPU_FAN) on |
picture above, the installation is complete. |
the motherboard. |
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.
- 15 - |
Hardware Installation |
English
English
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.
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 |
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DDRII1 |
DDRII2 |
DDRII3 |
DDRII4 |
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Two Modules |
DS/SS |
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DS/SS |
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DS/SS |
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DS/SS |
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DS/SS |
DS/SS |
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DS/SS |
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DS/SS |
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Four Modules |
SS |
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SS |
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Memory configurations below will cause DDR2 667 |
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DDRII1 |
DDRII2 |
DDRII3 |
DDRII4 |
DDRII1 DDRII2 |
DDRII3 DDRII4 |
Two Modules |
SS |
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Three Modules |
SS |
SS |
DS/SS |
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SS |
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DS/SS |
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DS/SS |
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SS |
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DS/SS |
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Four Modules |
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(SS=Single-Sided, DS=Double-Sided, "- -"=No Memory) |
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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 according to the configurations in the first table for optimum performance.
3.Because of chipset limitations, do not populate both DIMM sockets of the same channel (e.g. DDRII1 and DDRII2) with double-sided memory modules to prevent system's failure to start or incorrect detection of memory modules.
GA-946-DS3/S3 Motherboard |
- 16 - |
1-4-2 Installing a Memory
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.
Notch
DDR2 DIMM
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.
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.
English
- 17 - |
Hardware Installation |
English
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.
PCI Express x1 Slot
PCI Express x16 Slot
PCI Slot
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.
Example: Installing and Removing a PCI Express x16 Graphics Card:
• Installing a Graphics Card:
Gently insert the graphics card into the PCI Express x16 slot. Make sure the graphics card is locked by the latch at the end of the PCI Express x16 slot.
•Removing the Card:
Press the white latch at the end of the PCI Express x16 slot to release the card and then pull the card straight up from the slot.
GA-946-DS3/S3 Motherboard |
- 18 - |
1-6 Back Panel Connectors
English
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.
Parallel Port
Use the parallel port to connect devices such as a printer, scanner and etc. The parallel port is also called a printer port.
Serial Port
Use the serial port to connect devices such as a mouse, modem or other peripherals.
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.
Connection/ |
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Speed LED |
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Activity LED |
Connection/Speed LED: |
Activity LED: |
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State |
Description |
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Orange |
1 Gpbs data rate |
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Blinking |
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Data transmission or receiving is occurring |
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Green |
100 Mpbs data rate |
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Off |
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No data transmission or receiving is occurring |
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Off |
10 Mpbs data rate |
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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.
• 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.
- 19 - |
Hardware Installation |
English
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 connected 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."
GA-946-DS3/S3 Motherboard |
- 20 - |
1-7 Internal Connectors
1 |
3 |
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5 |
12 |
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18 |
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16 |
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10 |
11 |
1) |
ATX_12V |
10) |
PWR_LED |
2) |
ATX (Power Connector) |
11) |
F_PANEL |
3) |
CPU_FAN |
12) |
F_AUDIO |
4) |
SYS_FAN |
13) |
CD_IN |
5) |
PWR_FAN |
14) |
SPDIF_IO |
6) |
NB_FAN |
15) |
F_USB1/F_USB2 |
7) |
FDD |
16) |
CI |
8) |
IDE1 |
17) |
CLR_CMOS |
9) |
SATAII0/1/2/3 |
18) |
BAT |
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.
English
- 21 - |
Hardware Installation |
English
1/2) ATX_12V_2X/ATX (2x2 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.
•To meet expansion requirements, it is recommended that a power supply that can withstand high power consumption be used (400W or greater). If a power supply is used that does not provide the required power, the result can lead to an unstable or unbootable system.
•The main power connector is compatible with power supplies with 2x10 power connectors. When using a 2x12 power supply, remove the protective cover from the main power connector on the motherboard. Do not insert the power supply cable into pins under the protective cover when using a 2x10 power supply.
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ATX_12V: |
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Pin No. |
Definition |
3 |
4 |
1 |
GND |
1 |
2 |
2 |
GND |
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ATX_12V |
3 |
+12V |
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4 |
+12V |
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ATX: |
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12 |
24 |
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Pin No. |
Definition |
Pin No. |
Definition |
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3.3V |
13 |
3.3V |
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2 |
3.3V |
14 |
-12V |
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3 |
GND |
15 |
GND |
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4 |
+5V |
16 |
PS_ON(soft On/Off) |
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5 |
GND |
17 |
GND |
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6 |
+5V |
18 |
GND |
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7 |
GND |
19 |
GND |
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8 |
Power Good |
20 |
-5V |
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9 |
5V SB(stand by +5V) |
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+5V |
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10 |
+12V |
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+5V |
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+12V(Onlyfor2x12-pinATX) |
23 |
+5V (Only for 2x12-pinATX) |
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13 |
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12 |
3.3V(Onlyfor2x12-pinATX) |
24 |
GND (Only for 2x12-pinATX) |
ATX
GA-946-DS3/S3 Motherboard |
- 22 - |
3/4/5) CPU_FAN/SYS_FAN/PWR_FAN (Fan Headers)
The motherboard has a 4-pin CPU fan header (CPU_FAN), a 3-pin system fan header (SYS_FAN), 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.
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1 |
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1 |
GND |
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+12V / Speed Control |
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3 |
Sense |
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4 |
Speed Control |
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PWR_FAN |
SYS_FAN |
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GND |
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+12V |
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Sense |
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 connection and requires a +12V voltage. The black connector wire is the ground wire.
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GND |
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+12V |
1 |
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NC |
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• 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.
- 23 - |
Hardware Installation |
English
English
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, locate the foolproof groove on the connector.
33 |
1 |
34 |
2 |
8)IDE1 (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.)
2 |
40 |
1 |
39 |
GA-946-DS3/S3 Motherboard |
- 24 - |
9)SATAII0/1/2/3 (SATA 3Gb/s Connectors, Controlled by ICH7, Orange)
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.
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SATAII0 |
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SATAII2 |
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Pin No. |
Definition |
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1 |
GND |
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7 |
1 |
7 |
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TXP |
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3 |
TXN |
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4 |
GND |
1 |
7 |
1 |
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5 |
RXN |
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6 |
RXP |
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GND |
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10)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).
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Definition |
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1 |
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MPD+ |
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1 |
2 |
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MPD- |
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MPD- |
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System Status |
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S0 |
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On |
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S1 |
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Blinking |
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S3/S4/S5 |
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Off |
English
- 25 - |
Hardware Installation |
English
11) 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.
Message/Power/ |
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Power |
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Speaker |
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Sleep LED |
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Switch |
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Connector |
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MSG+ MSGPW+ PW- |
SPEAK+ |
SPEAK- |
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2 |
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20 |
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1 |
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19 |
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HD+ HDRES- RES+ NC |
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IDE Hard Disk |
Reset |
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Active LED |
Switch |
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• MSG (Message/Power/Sleep LED, Yellow): |
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System Status |
LED |
Connects to the power status indicator on the chassis front panel. The |
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S0 |
On |
LED is on when the system is operating. The LED keeps blinking when |
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S1 |
Blinking |
the system is in S1 sleep state. The LED is off when the system is in |
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S3/S4/S5 |
Off |
S3/S4 sleep state or powered off (S5). |
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•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 (IDE 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
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 assignments and the pin assignments are matched correctly.
GA-946-DS3/S3 Motherboard |
- 26 - |