Chapter 5 78
COM2: Onboard serial port header
Rear I/O Panel Connectors
T PS2 Mouse: Use the PS/2 mouse port to connect a PS/2 pointing device
T PS2 Keyboard: Use the PS/2 keyboard port to connect a PS/2 keyboard
T Parallel Port(LPT1): Use LPT to connect printers or other parallel communication devices
T Serial Port(COM1): Use the COM port to connect serial devices such as mice, fax, or modems
T VGA Port: Connect your monitor to the VGA port
T LAN Port(optional): Connect and RJ-45 jack to the LAN port to connect your computer to the
network
Pin Signal Name Function
1 NDCBD Data carry detect
2 NSINB Serial Data In
3 NSOUTB Serial Data out
4 NDTRB Data terminal ready
5 GND Ground
6 NDSRB Data set ready
7 NRTSB Request to send
8 NCTSB Clear to send
9 NRIB Ring Indicator
10 Key No pin
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