HP A7818-IE002 - Manual (Page 110)

Hardware Components
Connectors And Sockets
Chapter 5 110
Power Supply Connector (20-pin) And Aux Power Connector
Wake On LAN Connector
Rear Fan Connector
PCI Fan Connector (MT only)
internal audio connectors
Power Supply Connector for
System Board (20-pin)
Aux. Power
Connector
Pin Signal Pin Signal Pin Signal
11 3V3_MAINSENSE 1 3V3_2 1 GROUND1
12 12V_NEG 2 3V3_3 2 GROUND2
13 GROUND_1 3 GROUND2 3 GROUND3
14 _PSON 4 5V_1 4 3V3_1
15 GROUND3 5 GROUND4 5 3V3_2
16 GROUND5 6 5V_2 6 5V
17 GROUND6 7 GROUND7
18 5V_NEG 8 PW0K
19 5V_3 9 5VSB
20 5V_4 10 12V
Wake On LAN (WOL)
Pin Signal
1 5V STDBY
2 Ground
3 LAN_WAKE
Fan Connector
Pin Signal
1 Ground
2 12V Power
3 Sense
Fan Connector
Pin Signal
1 Sense
2 +12V power (or less, depending on
desired fan speed)
3 Ground
2 1 3
Vertical plastic
latch for keying
and attachment
CD AUDIO Connector AUX Connector
Pin Signal I/O Pin Signal I/O
1 Analog Ground - 1 Analog Ground -
2 CD Left Channel IN 2 AUX Left Channel IN