
11. Seri
al
port connector
n COM1)
This connector is for a serial (COM) port. Connect the serial port module cable to this connector, then install the module to a slot opening at the back of the system chassis.
COM1
PIN 1
12. ATX power connectors 



ATX12V)
These connectors are for ATX power supply plugs. The power supply plugs are designed to fit these connectors in only one orientation. Find the proper orientation and push down firmly until the connectors completely fit.
| DC DC DC DC | |
EATX12V | +12V +12V +12V +12V | |
|
| |
|
| GND GND GND GND |
EATXPWR
+3 Volts 


Ground
+12 Volts 


+5 Volts
+12 Volts 


+5 Volts
+5V Standby 


+5 Volts
Power OK 


Ground 


Ground
+5 Volts 


Ground
Ground 


Ground
+5 Volts 


PSON#
Ground 


Ground
+3 Volts 


+3 Volts 



+3 Volts
ASUS P5WDG2 WS Professional/P5WDG2 WS |