IBM @Server pSeries 630 6C4, Service Manual

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Step 1548-10
The system is working correctly with this configuration. One of the SCSI devices that you disconnected
may 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 (for example: CD-ROM drive,
tape drive, disk drive, and so on). 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
OK
prompt to display on the operator panel display.
6. Turn on the power.
7. After the word keyboard is displayed, press the number 5 key on either the directly attached keyboard
or on an ASCII terminal keyboard.
8. If you are prompted to do so, enter the appropriate password.
Is the Please define the System Console screen 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, tape drive)
3. CEC backplane (See notes on page 61.)
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 return to “Quick Entry MAP” on page 63 and follow the instructions for
the new symptom.
YES Repeat this step, adding one SCSI device at a time, until all the SCSI devices that were attached
to the integrated SCSI adapter, except the disk drive backplane, are connected and tested.
Go to “Step 1548-11”.
Step 1548-11
The system is working correctly with this configuration. The disk drive backplane may 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. Connect the signal and power connectors to the disk drive backplane.
4. Plug in the power cords and wait for the
OK
prompt to display on the operator panel display.
5. Turn on the power.
6. If the Console Selection screen is displayed, choose the system console.
7. After the word keyboard is displayed, press the number 5 key on either the directly attached keyboard
or on an ASCII terminal keyboard.
8. If you are prompted to do so, enter the appropriate password.
Chapter 3. Maintenance Analysis Procedures (MAPs)
145