Gigabyte GA-8S661FXM User Manual page 23

1) ATX_12V (+12V Power Co nnector)
This connector (ATX_12V) supplies the CPU operation v oltage (Vc ore).
If this "ATX_12V connec tor" is not connected, sy stem cannot boot.
2) ATX (ATX Power)
AC pow er cord should only be connected to y our pow er supply unit after ATX pow er cable and
other related dev ices are firmly connected to the mainboard.
8s661fxm_1001_q.p65
2
4
10
1
- 19 -
19
Pin No. Definition
1 GND
1
2 GND
3
3 +12V
4 +12V
Pin No. Definition
1 3.3V
2 3.3V
3 GND
4 VCC
20
5 GND
6 VCC
7 GND
8 Power Good
9
5V SB (stand by +5V)
10 +12V
11 3.3V
12 -12V
13 GND
14 PS_ON(soft on/off)
11
15 GND
16 GND
17 GND
18 -5V
19 VCC
20 VCC
Hardw are Installation Process
? 2 003/9/24, 上午 09:33