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PCI/ISA System Board
Connectors J1 and J2
Primary (COM1) and Secondary (COM2) Serial Ports
Pin
1
2
3
4
5
6
7
8
9
Connector J5
Parallel Printer Port
Pin
86
Function
DCD (Data Carrier Detect)
RX (Receive Data)
TX (Transmit Data)
DTR (Data Terminal Ready)
Ground (Signal Ground)
DSR (Data Set Ready)
RTS (Request to Send)
CTS (Clear to Send)
RI (Ring Indicator)
Function
-Strobe
1
Data 0
2
Data 1
3
4
Data 2
5
Data 3
Data 4
6
Data 5
7
Data 6
8
9
Data 7
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