Parallel Printer Port Wiccssrservrersrcnveseacstmnear - Gateway 386/33 User Manual

Serial and Parallel Ports 10-9
Parallel printer port
Table 10-3. Parallel
port addresses.
The parallel port is compatible with any peripheral or
other device designed to interface with a standard Cen-
Port Addresses tronics-type parallel port. The parallel port can be as-
LPT1 3BC-3BE Hex _ signed as LPT1, LPT2, or LPT3 and uses the system I/O
LPT2 378-37A Hex addresses shown in Table 10-3.
LPT3 278-27A Hex
Serial port
The I/O card has two RS-232C asynchronous serial
ports (often referred to as COM ports) which can con-
nect to printers, modems, or other serial devices. The
serial ports can be configured as either DTE or DCE
devices. The primary serial port has a male DB9P con-
nector, which is located on the I/O card bracket.
The secondary serial port connector on the I/O card isa
10-pin connector (J4). The interface cable for the second-
ary serial port has a DB25P connector at one end and a
10-pin rectangular connector at the end that connects to
the I/O card. Connect it to the board at the connector
Table 10-4. Serial labeled J4 ComB. The colored stripe on the ribbon cable
port addresses.
goes to the pin 1 side of theconnector on the card. Proper
Addresses cable installation is critical; your serial device and I/O
2F8-2FF Hex
3E8-3EF Hex The serial ports use the system I/O addresses shown in
Serial port adapter cable
The wiring diagram for the DB9S to DB25P adapter
cable is as shown in Table 10-5.