Biostar P4M800

Motherboard Manual
14
JATXPWR1: ATX Powe r S ource C onne ctor
This connector allows user to connect 20-pin power connector on the ATX
power supply.
10 20
111
Pin Assignment Pin Assignment
1 +3.3V 11
+3.3V
2 +3.3V 12
-12V
3 Ground 13
Ground
4 +5V 14
PS_ON
5 Ground 15
Ground
6 +5V 16
Ground
7 Ground 17
Ground
8 PW_OK 18
-5V
9 Standby Voltage +5V 19
+5V
10 +12V 20
+5V
JATXPWR2: ATX Powe r S ource C onne ctor
By connecting this connector, it will provide +12V to CPU power circuit.
Pin Assignment
1 +12V
2 +12V
3 Ground
12
34
4 Ground