
36 • Backplane
Signal Pin No.
Pin No.
Signal
+3.3V 1 11 +3.3V
+3.3V 2 12 -12V
GND 3 13 GND
+5V 4 14 INH#
GND 5 15 GND
+5V 6 16 +5V Sense-
GND 7 17 GND
FAL# 8* 18* JP7
DEG# 9* 19 +5V Sense+
+12V 10 20 +5V
u General Purpose screw terminals
Position
(from top to bottom)
Name
1 +3.3V
2 V(I/O)
3 +5V
4 GND
5 +12V
6 -12V
Note: that the V(I/O) must be shorted to either +3.3V or +5V. The default
factory setting is to shorted at +5V.
u JP8 INH#: DC power inhibit signal
It is for inhibiting the ATX power supply. This connector is used for
power-on switch.
Pin # Name
1 INH#
JP8
2 GND
u JP9 RST#: System reset signal
Pin # Name
1 RST#
JP9
2 GND
u JP10 FAL#: Power supply fail input
Pin # Name
1 FAL#
JP10
2 GND
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