ECS PT880PRO-A - Page 17

11
Installing the Motherboard
PWR2: ATX 12V Power Connector
PWR1: ATX 24-pin Power Connector
Pin Signal Name
4 +12V
3 +12V
2 Ground
1 Ground
1 +3.3V 11 +3.3V
2 +3.3V 12 -12V
10 +12V 20 +5V
3 Ground 13 Ground
4 +5V 14 PS ON#
5 Ground 15 Ground
6 +5V 16 Ground
7 Ground 17 Ground
8 PWRGD 18 -5V
9 +5VSB 19 +5V
Pin Signal Name Pin Signal Name
SPK1: Internal Speaker Header
Pin Signal Name
1 VCC
2 NC
4 Signal
3 Ground