Table of Contents
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Contents
1
1.1
1.2
1.3
1.4
1.5
1.6
1.7
1.8
1.9
1.10
1.11
1.12
2
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
2.9
2.10
2.11
2.12
2.13
3
3.1
Introduction ............................................................................................... 2
Features .................................................................................................... 2
Specifications ............................................................................................ 3
1.3.1
System .......................................................................................... 3
1.3.2
Memory ......................................................................................... 3
1.3.3
Input/Output .................................................................................. 3
1.3.4
Graphics........................................................................................ 3
1.3.5
Ethernet LAN ................................................................................ 3
1.3.6
Industrial features ......................................................................... 3
1.3.7
Mechanical and environmental specifications............................... 3
Jumpers and Connectors .......................................................................... 4
Table 1.1: Jumpers...................................................................... 4
Table 1.2: Connectors ................................................................. 4
Board layout: Jumper and Connector Locations ....................................... 5
GMB-945GC Block Diagram ..................................................................... 6
Figure 1.1 GMB-945GC Block Diagram ...................................... 6
Safety Precautions .................................................................................... 7
Jumper Settings ........................................................................................ 8
1.8.1
How to set jumpers ....................................................................... 8
1.8.2
CMOS clear (CMOS1) .................................................................. 8
Table 1.3: CMOS1....................................................................... 8
System Memory ........................................................................................ 8
Memory Installation Procedures................................................................ 9
Cache Memory.......................................................................................... 9
Processor Installation................................................................................ 9
Introduction ............................................................................................. 12
Table 2.1: LAN LED Indicator.................................................... 12
VGA Connector (VGA1) .......................................................................... 13
Serial Ports (COM1~COM4) ................................................................... 14
PS/2 Keyboard and Mouse Connector (KBMS1) .................................... 15
CPU Fan Connector (CPU_FAN1).......................................................... 16
System FAN Connector (CHA_FAN1) .................................................... 17
Front Panel Connectors (JFP2_1) .......................................................... 18
2.8.1
Power/Sleep Waiting LED (JFP2_1)........................................... 18
Table 2.2: ATX power supply LED status (No support for AT pow-
er) ............................................................................. 18
2.8.2
Reset Connector (JFP2_1 pins 5 & 7) ........................................ 19
2.8.3
HDD LED Connector (JFP2_1 pins 1 & 3).................................. 19
2.8.4
ATX Soft Power Switch (JFP2_1 pins 6 & 8) .............................. 19
Line In, Line Out, Mic In Connector (AUDIO1)........................................ 19
Serial ATA Interface (SATA1, SATA2).................................................... 20
PCIe x 16 slot (PCIE X 16)...................................................................... 21
Auxiliary 4-pin power connector (ATX12V1) ........................................... 22
SPI Flash connector(SPI_CN1) .............................................................. 23
Introduction ............................................................................................. 26
ix
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GMB-945GC User Manual
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