COMMELL AS-C74 User Manual
Page 28
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AS-C74 User’s Manual
28
Connector: ATX
Type: 24-pin ATX power connector
PIN assignment
1 3.3V
13 3.3V
2 3.3V
14 -12V
3 GND
15 GND
4 5V
16 PS_ON
5 GND
17 GND
6 5V
18 GND
7 GND
19 GND
8 PW_OK
20 -5V
9 5V_SB
21 5V
10 12V
22 5V
11 12V
23 5V
12 3.3V
24 GND
Connector: CN_12V
Type: 8-pin standard Pentium 4 additional +12V power connector
Pin
Description
Pin
Description
1 Ground
5 +12V
2 Ground
6 +12V
3 Ground
7 +12V
4 Ground
8 +12V
Connector: CPUFAN
Type: 4-pin fan wafer connector
Pin
Description
Pin
Description
1 Ground
2 +12V
3
Fan Speed Detection
4
Fan Control
Connector: SYSFAN
Type: 4-pin fan wafer connector
Pin
Description
Pin
Description
1 Ground
2 +12V
3
Fan Speed Detection
4
Fan Control
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