User`s manual

20 Backplanes
Connector Pin Assignments
ATX Power Connector [CN1]
Power LED Connector [JP2]
SM Bus Connector [JP3]
Pin Signal Pin Signal
1+3.3V11+3.3V
2 +3.3V 12 -12V
3GND13GND
4 +5V 14 PS_ON_L
5GND15GND
6 +5V 16 GND
7GND17GND
8 PWRGOOD 18 -5V
9 STB5V 19 +5V
10 +12V 20 +5V
Pin Signal Pin Signal
1 +12V 2 GND
3 -12V 4 GND
5 +3.3V 6 GND
7+5V8GND
Pin Signal
1CLK
2GND
3DATA
4V(I/O)
5ALERT#
7
21
8
1