1.2.5 Serial Ports
The serial ports are fully programmable and support asynchronous
communications. The 9-pin and 25-pin D-shell connectors provide the
signals to drive devices with a standard RS-232 connector. The connected
device is identified by the system configuration as SERIAL 1 through
SERIAL 8. Conflicts occur when two or more devices have the same address.
Select the Set configuration option from the system programs stored on the
hard disk drive. Select View configuration to verify that no lines are
addressed the same.
IBM PS/2 Model 90 XP 486 HMR
Serial Ports
¦ Copyright IBM Corp. 1990, 1991
1.2.5 - 1