IBM 8685 Hardware Maintenance Manual - Page 150

Diskette drive problems, If there is a diskette in the drive, verify

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Page 150 highlights

Note: See "System" on page 162 to determine which components should be replaced by a field service technician. CD-ROM drive problems Symptom FRU/action CD-ROM drive is not recognized. 1. Verify that: v The IDE channel to which the CD-ROM drive is attached (primary or secondary) is enabled in the Configuration/Setup Utility program. Note: On a server with a single IDE channel, only the primary channel can be used. v All cables and jumpers are installed correctly. v The correct device driver is installed for the CD-ROM drive. 2. Run CD-ROM drive diagnostics. 3. Cable. 4. CD-ROM drive. 5. System board. Note: See "System" on page 162 to determine which components should be replaced by a field service technician. Diskette drive problems Symptom FRU/action Diskette drive activity LED stays 1. If there is a diskette in the drive, verify that: on, or the system bypasses the v The diskette drive is enabled in the Configuration/Setup utility program. diskette drive. v The diskette is good and not damaged. (Try another diskette if you have one.) v The diskette is inserted correctly in the drive. v The diskette contains the necessary files to start the server. v The software program is working properly. v The cable is installed correctly (in the proper orientation). 2. Run diskette drive diagnostics. 3. Cable. 4. Diskette drive. 5. System board. Note: See "System" on page 162 to determine which components should be replaced by a field service technician. Expansion enclosure problems Symptom FRU/action The SCSI expansion enclosure used to work but does not work now. 1. Verify that: v The cables for all external SCSI options are connected correctly. v The last option in each SCSI chain, or the end of the SCSI cable, is terminated correctly. v Any external SCSI option is turned on. You must turn on an external SCSI option before turning on the server. 2. For more information, see your SCSI expansion enclosure documentation. 140 xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide

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Note:
See “System” on page 162 to determine which components should be replaced by a field service technician.
CD-ROM drive problems
Symptom
FRU/action
CD-ROM drive is not
recognized.
1.
Verify that:
v
The IDE channel to which the CD-ROM drive is attached (primary or
secondary) is enabled in the Configuration/Setup Utility program.
Note:
On a server with a single IDE channel, only the primary channel can
be used.
v
All cables and jumpers are installed correctly.
v
The correct device driver is installed for the CD-ROM drive.
2.
Run CD-ROM drive diagnostics.
3.
Cable.
4.
CD-ROM drive.
5.
System board.
Note:
See “System” on page 162 to determine which components should be replaced by a field service technician.
Diskette drive problems
Symptom
FRU/action
Diskette drive activity LED stays
on, or the system bypasses the
diskette drive.
1.
If there is a diskette in the drive, verify that:
v
The diskette drive is enabled in the Configuration/Setup utility program.
v
The diskette is good and not damaged. (Try another diskette if you have
one.)
v
The diskette is inserted correctly in the drive.
v
The diskette contains the necessary files to start the server.
v
The software program is working properly.
v
The cable is installed correctly (in the proper orientation).
2.
Run diskette drive diagnostics.
3.
Cable.
4.
Diskette drive.
5.
System board.
Note:
See “System” on page 162 to determine which components should be replaced by a field service technician.
Expansion enclosure problems
Symptom
FRU/action
The SCSI expansion enclosure
used to work but does not work
now.
1.
Verify that:
v
The cables for all external SCSI options are connected correctly.
v
The last option in each SCSI chain, or the end of the SCSI cable, is
terminated correctly.
v
Any external SCSI option is turned on. You must turn on an external SCSI
option before turning on the server.
2.
For more information, see your SCSI expansion enclosure documentation.
140
xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide