Biostar A55MLC2 Owner's Manual | Page 12

Biostar Motherboards Owner's Manual - A55MLC2.
Download
Page  of 49
4.7, 1893 votes
background image

Motherboard Manual 

10 

2.4 CONNECTORS AND SLOTS 

ATXPWR2: ATX Power Source Connector 

This connector will provide +12V to CPU power circuit. 

 

 

Pin Assignment 

1 +12V 
2 +12V 
3 Ground 
4 Ground 

ATXPWR1: ATX Power Source Connector   

This connector allows user to connect 24-pin power connector on the ATX 
power supply. 

 

Pin Assignment 

Pin 

Assignment 

13 +3.3V 

+3.3V 

14 -12V 

+3.3V 

15 Ground 

Ground 

16 PS_ON 

+5V 

17 Ground 

Ground 

18 Ground 

+5V 

19 Ground 

Ground 

20 NC 

PW_OK 

21 +5V 

Standby 

Voltage+5V 

22 +5V 

10 

+12V 

23 +5V 

11 

+12V 

24 Ground 

12 

+3.3V 

Note: Before you power on the system, please make sure that both ATXPWR1 and 
ATXPWR2 connectors have been plugged-in. 

0.500620s