Gigabyte Ga945gcmxs2 User Guide

Hardware Installation - 11 -
English
1-1 Considerations Prior to Installation
Preparing Your Computer
The motherboard contains numerous delicate electronic circuits and components which can become
damaged as a result of electrostatic discharge (ESD).  Thus, prior to installation, please follow the
instructions below:
1. Please turn off the computer and unplug its power cord.
2. When handling the motherboard, avoid touching any metal leads or connectors.
3. It is best to wear an electrostatic discharge...

GA-945GCM(X)-S2 Motherboard - 12 -
English
1-2 Feature Summary
CPUŠLGA775 for Intel® CoreTM 2 Extreme dual-core /  CoreTM 2 Duo / Pentium® D /
Pentium® 4 / Celeron® D
Š L2 cache varies with CPU
Front Side Bus ŠSupports
 1333(Note 1)/1066/800/533 MHz FSB
Chipset ŠNorthbridge: Intel® 945 Express Chipset
ŠSouthbridge: Intel® ICH7
LAN ŠOnboard RTL8110SC chip (10/100/1000 Mbit)
Audio ŠOnboard Realtek ALC888 CODEC chip
Š Supports High Definition Audio
Š Supports 2 / 4 / 6 / 8 channel audio
Š Supports S/PDIF...

Hardware Installation
- 13 -
English
Rear Panel I/O Š1 PS/2 keyboard port
Š 1 PS/2 mouse port
Š 1 parallel port
Š 1 serial port
Š 1 D-Sub port
Š 4 USB 2.0/1.1 ports
Š 1 RJ-45 port
Š 6 audio jacks (Line In / Line Out / MIC In/Surround Speaker Out (Rear
Speaker Out)/Center/Subwoofer Speaker Out/Side Speaker Out)
I/O Control ŠIT8718 chip
Hardware Monitor ŠSystem voltage detection
Š CPU temperature detection
Š CPU / System fan speed detection
Š CPU warning temperature
Š CPU / System fan failure warning
ŠCPU...

GA-945GCM(X)-S2 Motherboard - 14 -
English
1-3 Installation of the CPU and CPU Cooler
Before installing the CPU, please comply with the following conditions:
1. Please make sure that the motherboard supports the CPU.
2. Please take note of the one indented corner of the CPU.  If you install the CPU in the wrong
direction, the CPU will not insert properly.  If this occurs, please change the insert direction
of the CPU.
3. Please add an even layer of heat sink paste between the CPU and CPU cooler.
4....

Hardware Installation - 15 -
English1-3-2 Installation of the CPU Cooler
Use extreme care when removing the CPU cooler because the thermal grease/tape between
the CPU cooler and CPU may adhere to the CPU. Inadequately removing the CPU cooler
may damage the CPU.
Fig. 6
Finally, please attach the power connector of the
CPU cooler to the CPU fan header located on the
motherboard. Fig. 3
Place the CPU cooler atop the CPU and make
sure the push pins aim to the pin hole on the
motherboard.Pressing down the...

GA-945GCM(X)-S2 Motherboard - 16 -
English
The motherboard supports DDR2 memory modules, whereby BIOS will automatically detect memory
capacity and specifications.  Memory modules are designed so that they can be inserted only in one direction.
The memory capacity used can differ with each slot.Before installing the memory modules, please comply with the following conditions:
1. Please make sure that the memory used is supported by the motherboard.  It is
recommended that memory of similar capacity,...

Hardware Installation - 17 -
EnglishDual Channel Memory Configuration
The GA-945GCMX-S2/GA-945GCM-S2 supports the Dual Channel
Technology. After operating the Dual Channel Technology, the bandwidth of
memory bus will double.
The GA-945GCMX-S2/GA-945GCM-S2 includes 2 DIMM sockets.
If you want to operate the Dual Channel Technology, please note the following explanations due to the
limitation of Intel chipset specifications.
1. Dual Channel mode will not be enabled if only one DDR2  memory module is...

GA-945GCM(X)-S2 Motherboard - 18 -
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1-5 Installation of Expansion Cards
To install your expansion card, follow the steps below.
1. Disconnect your system from its power source and read the expansion cards installation manual
before installing the expansion card in the computer.
2. Remove your computers chassis cover, screws and slot bracket from the computer. Ground
yourself to prevent damage to your computer resulting from Electrostatic discharge (ESD).
3. Press the expansion card firmly into the...

Hardware Installation - 19 -
English1-6 I/O Back Panel Introduction
PS/2 Keyboard and PS/2 Mouse Connector
To install a PS/2 port keyboard and mouse, plug the mouse to the upper port (green) and the
keyboard to the lower port (purple).
Parallel Port
The parallel port allows connection of a printer, scanner and other peripheral devices.
Serial Port
Connects to serial-based mouse or data processing devices.
D-Sub Port
Monitor can be connected to VGA port.
USB Port
Before you connect your device(s) into USB...

GA-945GCM(X)-S2 Motherboard - 20 -
English
1-7 Connectors Introduction
MIC In
The default MIC In jack. Microphone must be connected to MIC In jack.
1) ATX_12V
2) ATX (Power Connector)
3) CPU_FAN
4) SYS_FAN
5) FDD
6) IDE
7) SATAII0 / 1 / 2 / 3
8) PWR_LED
9) BATTERY
10) F_PANEL
11) F_AUDIO
12) CD_IN
13) SPDIF_IO
14) F_USB1 / F_USB2
15) COMB
16) CLR_CMOS
17) C I
In addition to the default speakers settings, the~audio jacks can be reconfigured to perform
different functions via the audio software.  Only...