8
CN24: KB/MS Connector
PIN NO.
DESCRIPTION
1
KEYBOARD DATA
2
MOUSE DATA
3
GROUND
4
+5V
5
KEYBOARD CLOCK
6
MOUSE CLOCK
CN21: External Serial Port Connector
PIN NO. DESCRIPTION
1
DATA CARRIER DETECT (DCD)
2
RECEIVE DATA (RXD)
3
TRANSMIT DATA (TXD)
4
DATA TERMINAL READY (DTR)
5
GROUND (GND)
6
DATA SET READY (DSR)
7
REQUEST TO SEND (RTS)
8
CLEAR TO SEND (CTS)
9
RING INDICATOR (RI)
CN25: 6-pin KB/MS Connector
PIN NO.
DESCRIPTION
1
+5V
2
MOUSE DATA
3
MOUSE CLOCK
4
KEYBOARD DATA
5
KEYBOARD CLOCK
6
GROUND
CN18: Internal Serial Port Connector
PIN NO. DESCRIPTION
1
DATA CARRIER DETECT (DCD)
2
DATA SET READY (DSR)
3
RECEIVE DATA (RXD)
4
REQUEST TO SEND (RTS)
5
TRANSMIT DATA (TXD)
6
CLEAR TO SEND (CTS)
7
DATA TERMINAL READY (DTR)
8
RING INDICATOR (RI)
9
GROUND (GND)
10
GROUND (GND)
