IBM 867431X Hardware Maintenance Manual - Page 111

Input/Output ports, Serial port, Viewing or changing the serial-port assignments

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Input/Output ports This section provides information about the input/output (I/O) ports on the server/workstation. These ports include the following: v Cable Chaining Technology (C2T) ports v Serial port v Universal Serial Bus (USB) ports v Ethernet ports v Advanced System Management (ASM) ports Serial port Your server/workstation has one standard serial port. 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. This serial port is also manually configurable from inside of the server/workstation. The following table lists the function of each of the connectors which can be used to manually configure the serial port. You will also need to refer to the figure in "System board options connectors" on page 44. Connectors J52 Port Serial A / Systems Management Port J51 Serial Port B J53 Management Port Description Default connection. Used by OS and Advanced System Management Processor. Modem can be connected so that the system can dial out during problems. Used by OS only. Used by Advanced System Management Processor to utilize modem dial up functions. Viewing or changing the serial-port assignments: To view or change the serial-port assignments: 1. Restart the server/workstation 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 connector: The following table shows the pin-number assignments for the 9-pin, male D-shell serial-port connector on the rear of the server/workstation. These pin-number assignments conform to the industry standard. 1 5 6 9 Installing options 103

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Input/Output ports
This section provides information about the input/output (I/O) ports on the
server/workstation. These ports include the following:
v
Cable Chaining Technology (C2T) ports
v
Serial port
v
Universal Serial Bus (USB) ports
v
Ethernet ports
v
Advanced System Management (ASM) ports
Serial port
Your server/workstation has one standard serial port. 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. This serial port is also manually configurable from inside
of the server/workstation. The following table lists the function of each of the
connectors which can be used to manually configure the serial port. You will also
need to refer to the figure in
“
System board options connectors
”
on page 44.
Connectors
Port
Description
J52
Serial A / Systems
Management Port
Default connection. Used by OS and Advanced
System Management Processor. Modem can be
connected so that the system can dial out during
problems.
J51
Serial Port B
Used by OS only.
J53
Management Port
Used by Advanced System Management Processor to
utilize modem dial up functions.
Viewing or changing the serial-port assignments:
To view or change the
serial-port assignments:
1.
Restart the server/workstation 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 connector:
The following table shows the pin-number assignments for
the 9-pin, male D-shell serial-port connector on the rear of the server/workstation.
These pin-number assignments conform to the industry standard.
1
5
6
9
Installing options
103