- 13 -Hardware Installation Process

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1)ATX_12V (+12V Power Connector)

This connector (ATX_12V) supplies the CPU operation voltage (Vcore).

If this "ATX_12V connector" is not connected, system cannot boot.

2)ATX (ATX Power)

AC power cord should only be conne cted to your power supply unit after ATX power cable and

other related devices are firmly connected to the mainboard.

Pin No.Definition
1 3.3V
2 3.3V
3GND
4VCC
5GND
6VCC
7GND
8Power Good
9 5V SB (stand by +5V)
10 +12V
Pin No.Definition
11 3.3V
12 -12V
13 GND
14 PS_ON(soft on/off)
15 GND
16 GND
17 GND
18 -5V
19 VCC
20 VCC
3)CPU_FAN (CPU Fan Connector)

Please note, a proper installation of the CPU cooler is essential to prevent the CPU from running

under abnormal condition or dama ged by overheating. The CPU fan connector supports Max.

current up to 600 mA.

Pin No.Definition
1GND
2+12V
3Sense
1
4
3
2
1
Pin No.Definition
1GND
2GND
3+12V
4+12V
20
1
11
10