IBM PS/2 90 XP 486 Hardware Maintenance Reference page 18

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IBM PS/2 Model 90 XP 486 and 95 XP 486 HMR

Serial Ports

2.3.5 Serial Ports

The serial ports are fully programmable and support asynchronous

communications.

The 25-pin, D-shell connector provides the signals to

drive a device with a standard 25-contact RS-232 connector.

The connected

device is identified by the system configuration as SERIAL 1 through

SERIAL 8.

Adapters with serial ports also can be configured from SERIAL 1

to SERIAL 8.

Conflicts occur with multiple communication lines if two or

more lines have the same address.

Select the Set configuration option

from the system programs on the hard disk drive.

Select View

Configuration to verify that no lines are addressed the same.

2.3.5 - 1

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Ps/2 95 xp 486