Pin assignments of connectors
21
4.3 Hardware reset connector (CN15)
Pin No.
signal
1 Reset
input
2 GND
4.4 Keyboard lock connector (CN4)
Pin No.
Signal
1 Power
L.E.D
2 N.C
3 GND
4 Key
lock
5 GND
4.5 CPU cooling fan power connector (CN13)
Pin No.
Signal
1 GND
2 +!2V
DC
3 GND
4.6 PS/2 mouse connector (CN5)
Pin No.
Signal
1 MS_data
2 N.C
3 GND
4 +5V
DC
5 MS_clk
6 N.C
Pin assignments of connectors
22
4.7 Keyboard connector (CN6)
Pin No.
Signal
1 KB_data
2 N.C
3 GND
4 +5V
DC
5 KB_clk
6 GND
4.8 Extended keyboard connector (CN7)
Pin No.
Signal
1 KB_clk
2 KB_data
3 N.C
4 GND
5 +5V
DC
4.9 External speaker connector (JP5)
Pin No.
Signal
1 +5V
DC
2,3,4,5 Speaker
out
4.10 Hard Disk LED (CN19)
Pin No.
Signal
1 LED
+
2 LED
-
