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IBM® xSeries 250: User’s Reference
Power problems
Verify that:
1.
The power cables are properly connected to the server.
2.
The electrical outlet functions properly.
3.
The type of memory installed is correct.
4.
If you just installed an option, remove it, and restart the server. If the server now
powers on, you might have installed more options than the power supply
supports.
5.
The LEDs on the power supply are on.
If the problem remains, call for service.
The server does not power on.
Printer problems
Verify that:
1.
The printer is turned on and is online.
2.
The printer signal cable is connected to the correct serial or parallel port on the
server.
Note:
Non-IBM printer cables might cause unpredictable problems.
3.
You have assigned the printer port correctly in your operating system or
application program.
4.
You have assigned the printer port correctly using the Configuration/Setup
Utility program.
If the items above are correct and the printer still does not work, run the tests
described in the documentation that comes with your printer. If the tests show that
the printer is OK, call for service.
The printer does not work.
Serial port problems
Verify that:
1.
Each port is assigned a unique address by the Configuration/Setup Utility
program and none of the serial ports are disabled.
Note:
The ASM Interconnect connector is the same as a serial port connector,
but it is used only by the integrated Advanced System Management
Processor, and is not available for use by the operating system. This port
does not appear in the Configuration/Setup Utility program menus; it
can be configured using the system-management program.
2.
The serial-port adapter, if you installed one, is seated properly.
If the problem still exists, call for service.
The number of serial ports
identified by the operating
system is less than the number
of serial ports installed.
A serial device does not work.
Verify that:
1.
The device is compatible with the server.
2.
The serial port is enabled and is assigned a unique address.
3.
Make sure that the device is not connected to the management port C.
Note:
The management C connector is the same as a serial port connector, but
it is used only by the integrated Advanced System Management
Processor and is not available for use by the operating system. This port
does not appear in the Configuration/Setup Utility program menus; it
can be configured using the system-management program.
If the problem still exists, call for service.
Device
Suggested action
Table 20. Troubleshooting charts.
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