
Appendix
B
Processor Board Connectors
COM 2 PS/2
Mouse
PS/2
Keyboard
Parallel Port COM 1
Serial Port Connectors (COM1, COM2)
1
5
9
6
Pin # Signal Name
1 DCD
2 Serial In
3 Serial Out
4 Data Terminal Ready (DTR)
5 GND
6 Data Set Ready (DSR)
7 Request to Send (RTS)
8 Clear to Send (CTS)
9 RI
I/O Connectors
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