Specifications

11
Installing the Motherboard
ATX1: ATX 24-pin Power Connector
SPK: Internal speaker header
Pin Signal Name Pin Signal Name
1 +3.3V 13 +3.3V
2 +3.3V 14 -12V
3 Ground 15 Ground
4 +5V 16 PS_ON
5 Ground 17 Ground
6 +5V 18 Ground
7 Ground 19 Ground
8 PWRGD 20 -5V
9 +5VSB 21 +5V
10 +12V 22 +5V
11 +12V 23 +5V
12 +3.3V 24 Ground
4 Signal
3 GND
2 Key
1 VCC
Pin Signal Name
Pin Signal Name Function
1 GND System Ground
2 +12V Power +12V
3 Sense Sensor
SYS_FAN/PWR_FAN: FAN Power Connectors