IBM Netfinity 5100 8658 21Y, Manual

Page: 109 / 246

both serial ports; however, the integrated Netfinity
Advanced System Management Processor can use and
share only Serial port A.
Some application programs require specific ports, and
some modems function properly only at certain
communication port addresses. You might need to use the
Configuration/Setup Utility program to change
communication port address assignments to prevent or
resolve address conflicts.
Viewing or changing the serial-port
assignments
To view or change the serial-port assignments:
1. Restart the server and watch the monitor screen.
2. When the message
Press F1 for
Configuration/Setup appears, press F1.
3. From the main menu, select Devices and I/O Ports ;
then, press Enter.
Note: The Devices and I/O Ports choice appears only
on the full configuration menu. If you set two
levels of passwords, you must enter the
administrator password to access the full
configuration menu.
4. Select the serial port; then, use the arrow keys to
advance through the settings available.
5. Select Save Settings ; then, select Exit Setup to exit
from the Configuration/Setup Utility main menu.
Serial-port connectors
The following table shows the pin-number assignments for
the 9-pin, male D-shell serial-port connectors on the rear of
your server. These pin-number assignments conform to the
industry standard.
1 5
6 9
Table 12. Serial-port connectors pin-number assignments
Pin Signal Pin Signal
1 Data carrier detect 6 Data set ready
2 Receive data 7 Request to send
3 Transmit data 8 Clear to send
4 Data terminal ready 9 Ring indicator
5 Signal ground
Installing options
99