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Serial Ports
The built-in serial ports are RS-232C asynchronous communication
ports with 16C550A-compatible UARTs that can be used with modems,
serial printers, remote display terminals, and other serial devices. They
use the following system I/O addresses:
Port Configuration
Serial Port 1
Serial Port 2
*Default
Connecting the Serial Ports
Two DB-9P serial port cables are provided with the system board. They
are mounted on a card-edge bracket along with the PS/2 mouse cable.
The upper serial port cable should be used for the COM 1 primary se-
rial port; connect it to connector J4 on the system board. The upper
serial port cable should be used for the COM 2 secondary serial port;
connect it to connector J5 on the system board. Make sure the colored
stripes on the ribbon cables are aligned with pin 1 of connectors J4 and
J5. Mount the card-edge bracket to the system chassis.
PS/2 Mouse Port
The PS/2 mouse port is a 6-pin connector on the system board. Attach
the 6-pin mouse port cable, which came with the G586IPB/E, to con-
nector J3. Make sure the brown wire on the PS/2 mouse connector is
aligned with pin 1 of connector J3.
Parallel Port
The G586IPB/E system board has a standard connector for interfacing
your PC to a parallel printer. The parallel port on your system board can
be set to any of the following system I/O addresses:
I/O Address: 3BC-3BE Hex
COM2
COM3
COM1
2F8h
3E8h
3F8h*
2F8h*
3E8h
3F8h
378-37A Hex (default)
278-27A Hex
COM4
2E8h
2E8h
29
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