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INSTALLATIONS
24 I815E User’s Manual
J24, J25: PS/2 Mouse and PS/2 Keyboard Connectors
PS/2 Mouse
PS/2 Keyboard
Signal Name Keyboard Mouse Signal Name
Keyboard data 1 1 Mouse data
N.C. 2 2 N.C.
GND 3 3 GND
5V 4 4 5V
Keyboard clock 5 5 Mouse clock
N.C. 6 6 N.C.
J26: ATX Power Supply Connector
J26 is a 20-pin ATX power supply connector. Refer to the following table
for the pin out assignments.
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
11 1
20 10
+5V 20 10 +12V