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GFK-2023C Chapter 8 Technical Data 8-3
8
Port Configurations
Port IRQ Addresses
COM1 4 3F8h
COM2 3 2F8h
COM3 5 3E8h
COM4 (Touch) 10 2E8h
LPT 7 378h
Pin Assignments
Keyboard/Mouse (6-pin mini-DIN PS/2 socket)
Pin Number Signal name
1 Data
2 NC
3 GND
4 +5V
5 Clock
6 NC
COM1/2/3 Serial Port (9 pin socket)
Pin-Number Signal name
1 DCD
2 RxD
3 TxD
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
9 RI