Biostar P4M800 Setup Manual page 14

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