Computer Hardware User Manual

INSTALLATIONS
AR-B1760 User’s Manual 25
J21: ATX Power Supply Connector
Signal Name Pin # Pin # Signal Name
3.3V 11 1 3.3V
-12V 12 2 3.3V
Ground 13 3 Ground
PS-ON 14 4 +5V
Ground 15 5 Ground
Ground 16 6 +5V
Ground 17 7 Ground
-5V 18 8 Power good
+5V 19 9 5VSB
+5V 20 10 +12V
11 1
20 10
J23: PS/2 Keyboard/Mouse Connector
J23, a 10-pin header connector, has functions for both keyboard and
mouse. The following table shows the pin assignments of this connector.
Signal Name Pin # Pin # Signal Name
Protect pin 10 5 N.C.
KB clock 9 4 Mouse clock
KB data 8 3 Mouse data
Vcc 7 2 Vcc
Ground 6 1 Ground