IBM 88371RU, Maintenance And Troubleshooting Manual

Page: 120 / 186

Note: See “System replaceable units” on page 122 to determine which components should be replaced by a field
service technician.
Symptom FRU/action
A serial device does not work.
1. Verify that:
v The device is compatible with the server.
v
The serial port is enabled and is assigned a unique address.
v The device is connected to the correct port (see “Input/output connectors” on
page 49).
2. Failing serial device.
3. Serial adapter, if installed.
4. System board.
ServerGuide error symptoms
Note: See “System replaceable units” on page 122 to determine which components should be replaced by a field
service technician.
Symptom FRU/action
The ServerGuide Setup and
Installation CD will not start.
v
Verify that the server is supported and has a startable (bootable) CD-ROM
drive.
v
If the startup (boot) sequence settings have been altered, ensure that the
CD-ROM drive is first in the startup sequence.
v If more than one CD-ROM drive is installed, ensure that only one drive is set as
the primary drive. Start the CD from the primary drive.
The SCSI RAID program cannot
view all installed drives, or the
NOS cannot be installed.
v
Verify that there are no duplicate SCSI IDs or IRQ assignments.
v Verify that the hard disk drive is connected properly.
The operating system
installation program
continuously loops.
v Make more space available on the hard disk.
The ServerGuide program will
not start the operating-system
CD.
v Verify that the operating-system CD you have is supported by the
ServerGuide program. See the ServerGuide Setup and Installation CD label for
a list of supported operating system versions.
The operating system cannot be
installed; the option is not
available.
v Verify that the operating system is supported on the server. If the operating
system is supported, there is no logical drive defined (SCSI RAID systems). Run
the ServerGuide program, and ensure that setup is complete.
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xSeries 336 Type 1879 and Type 8837: Hardware Maintenance Manual and Troubleshooting Guide