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Step 1548-9
1. Turn off the power and remove the power cords.
2. Plug the IDE cable into the IDE connector on the CEC backplane.
3. Connect the signal and power connectors to the IDE CD-ROM drive.
4. Plug in the power cords and wait for the operator panel to display OK.
5. Turn on the power.
6. Insert the diagnostic CD-ROM into the CD-ROM drive.
7. After the word keyboard is displayed, press 5 on the ASCII terminal keyboard.
8. If you are prompted to do so, enter the appropriate password.
Is the Please Define the System Console prompt displayed?
NO
One of the FRUs remaining in the system unit is defective.
Exchange the FRUs that have not been exchanged, in the following order:
1. IDE cable
2. CD-ROM drive
3. CEC backplane
4. Processor card
Repeat this step until the defective FRU is identified or all the FRUs have been exchanged.
If the symptom did not change and all the FRUs have been exchanged, call service support for
assistance.
If the symptom has changed, check for loose cards, cables, and obvious problems. If you do not
find a problem, go to the "Quick Entry MAP" on page 40 and follow the instructions for the new
symptom.
YES
Go to "Step 1548-10".
Step 1548-10
The system is working correctly with this configuration. One of the SCSI devices that you disconnected
might be defective.
1. Make sure the diagnostic CD-ROM is inserted into the CD-ROM drive.
2. Turn off the power and remove the power cords.
3. Plug the SCSI cable into the SCSI connector on the CEC backplane.
4. Connect the signal and power connectors to one of the SCSI devices. Do not connect the signal and
power connectors to the disk drive backplane at this time.
5. Plug in the power cords and wait for the operator panel to display OK.
6. Turn on the power.
7. After the word keyboard is displayed, press 5 on the ASCII terminal keyboard.
8. If you are prompted to do so, enter the appropriate password.
Is the Please Define the System Console prompt displayed?
NO
One of the FRUs remaining in the system unit is defective.
Exchange the FRUs that have not been exchanged, in the following order:
1. SCSI cable
2. Last SCSI device connected (for example: disk drive)
3. CEC backplane
4. Processor card
82
NAS Gateway 500 Service Guide
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