IBM 865741Y Handbook - Page 185

Option Problems, Action

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Troubleshooting Option Problems An IBM option that used to work does not work now. Action Verify that all of the option hardware and cable connections are secure. If the option comes with its own test instructions, use those instructions to test the option. If the failing option is a SCSI option, verify that: 1. The cables for all external SCSI options are connected correctly. 2. The last option in each SCSI chain, or the end of the SCSI cable, is terminated correctly. 3. Any external SCSI option is turned on. You must turn on an external SCSI option before turning on the system. For more information, refer to your SCSI documentation and see Chapter 4, "Installing Options" on page 51. If the items above are correct and the diagnostic tests found no problem, have the server and option serviced. Chapter 5. Solving Problems 167

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Troubleshooting
Option Problems
Action
An IBM option that used
to work does not work
now.
Verify that all of the option hardware and cable
connections are secure.
If the option comes with its own test instructions, use
those instructions to test the option.
If the failing option is a SCSI option, verify that:
1.
The cables for all external SCSI options are
connected correctly.
2.
The last option in each SCSI chain, or the end of
the SCSI cable, is terminated correctly.
3.
Any external SCSI option is turned on.
You must
turn on an external SCSI option before turning on
the system.
For more information, refer to your SCSI
documentation and see Chapter
4, “Installing Options”
on page
51.
If the items above are correct and the diagnostic tests
found no problem, have the server and option serviced.
Chapter 5.
Solving Problems
167