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Manual - Page 1
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 ...
Manual - Page 4
Table of Contents
OptionalItems ...6 Box Contents ...6 GA-946-DS3/S3 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 1-4 Installing the Memory 16 1-4-1 Dual Channel Memory Configuration 16 1-4-2 ...
Manual - Page 6
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 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. ...
Manual - Page 7
GA-946-DS3/S3 Motherboard Layout
KB_MS
ATX_12V
LGA775
CPU_FAN
GA-946-DS3/S3
COMA LPT
PWR_FAN
USB USB LAN
AUDIO1 AUDIO2
RTL8111B CODEC
F_AUDIO
DDRII1 DDRII2 DDRII3 DDRII4
NB_FAN
Intel® 946GZ
PCIE_3
ATX PCIE_16
PCIE_1 PCIE_2 PCI1 PCI2
CLR_CMOS
Intel® ICH7 BAT
SATAII0 SATAII2 SATAII1 SATAII3
BIOS
SYS_FAN
IT8718
PCI3 CI
FDD
IDE1 PWR_LED F_PANEL
CD_IN SPDIF_IO...
Manual - Page 10
... connector supporting ATA-100/66/33 and up to 2 IDE devices - 4 x SATA 3Gb/s connectors supporting up to 4 SATA 3Gb/s devices Š Integrated in the South Bridge Š Up to 8 USB 2.0/1.1 ports (4 on the back panel, 4 via the USB brackets connected to the internal USB headers)
"*" Only the GA-946-DS3 adopts All-Solid Capacitor design.
GA-946-DS3/S3 Motherboard...
Manual - Page 16
... DDR2 memory module is recommended that the motherboard supports the memory. DS/SS
DDRII4 - - DS/SS DS/SS - -
- - Four Modules
SS
DS/SS - - SS
SS
- -
SS
SS
- -
Dual Channel mode cannot be enabled if only one direction. GA-946-DS3/S3 Motherboard
- 16 - If you begin to install the memory: • Make sure that memory of...
Manual - Page 18
... chassis back panel with your expansion card in the expansion slot. 1. GA-946-DS3/S3 Motherboard
- 18 - Carefully read the manual that supports your operating system. Align the card with the expansion card in the slot. 3. Example: Installing and Removing a PCI Express x16 Graphics Card:
• Installing a Graphics Card: Gently insert the graphics card into the slot. 4. Make...
Manual - Page 22
...Onlyfor2x12-pinATX) 23
3.3V(Onlyfor2x12-pinATX) 24
Definition 3.3V -12V GND PS_ON(soft On/Off) GND GND GND -5V +5V +5V +5V (Only for 2x12-pin ATX) GND (Only for 2x12-pin ATX)
GA-946-DS3/S3 Motherboard
- 22 - The power connector possesses ... can supply enough stable power to all devices are properly installed. If a power supply is turned off and all the components on the motherboard.
Manual - Page 24
... you wish to connect two IDE devices, remember to set the jumpers and the cabling according to connect a floppy disk drive. The types 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 -
Manual - Page 28
.../Out Header, Red) This header supports digital S/PDIF in and out cable, please contact the local dealer.
26 15
Pin No. 1 2 3 4 5 6
Definition Power No Pin SPDIF SPDIFI GND GND
15) F_USB1/F_USB2 (USB Headers)
The headers conform to USB 2.0/1.1 specification. Each USB header can connect to the USB bracket. GA-946-DS3/S3 Motherboard
- 28 - For purchasing the...
Manual - Page 38
... Set this item to decrease...install a CPU that support multi-processors mode. (Default: Enabled)
Limit CPUID Max. Virtualization enhanced by Intel® Virtualization Technology will be reduced during
system halt state to run multiple operating systems and applications in
system halt state.
GA-946-DS3/S3...Sets the PCI graphics card as the first display. (Default)
PEG
Sets...
Manual - Page 54
You may press the Install button following an item to install it.
3-3 Driver CD Information
This page provides information about the drivers, applications and tools in this driver disk. English
3-2 Software Applications
This page displays all the tools and applications that GIGABYTE develops and some free software. GA-946-DS3/S3 Motherboard
- 54 -
Manual - Page 62
... may result in BIOS Setup. What is saved to a hard drive in the BIOS, the Q-Flash tool frees you to enter Q-Flash. Extract the file and save the new BIOS file (e.g. 946ds3.f1) to access Q-Flash. However, if the BIOS update file is @BIOSTM? @BIOS allows you from the nearest @BIOS server site and update the BIOS.
4-2-1 Updating the BIOS with caution. GA-946-DS3/S3 Motherboard
- 62...
Manual - Page 66
... the location where you save the BIOS update file (e.g. 946ds3.f1) obtained from GIGABYTE's website and follow the instructions in "Update the BIOS without Using the Internet Update Function
Click Update New BIOS
Step 1: Click Update New BIOS. GA-946-DS3/S3 Motherboard
- 66 -
Upon completion, restart your system.
• If more than one model is present when doing Step 3 above...
Manual - Page 76
... possible computer problems.
(For reference only.) 1 short: System boots successfully 2 short: CMOS setting error 1 long, 1 short: Memory or motherboard error 1 long, 2 short: Monitor or graphics card error 1 long, 3 short: Keyboard error 1 long, 9 short: BIOS ROM error Continuous long beeps: Graphics card not inserted properly Continuous short beeps: Power error
GA-946-DS3/S3 Motherboard
- 76...
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