IBM H Series, Installation And Service Manual

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Step 1540-15
The system is working correctly with this configuration. The diskette drive may be
defective.
1. Make sure the diagnostic CD-ROM disc is inserted into the CD-ROM drive.
2. Turn the power off and remove the power cable.
3. Plug the diskette drive cable into the diskette drive connector (J13) on the I/O
board.
4. Plug in the power cable and wait for OK on the operator panel display.
5. Turn the power on.
6. After the keyboard indicator is displayed, press the F5 key on the directly-
attached keyboard or the number 5 key on an ASCII terminal keyboard.
7. Enter the appropriate password if prompted to do so.
Is the "Please define the System Console" screen displayed?
NO One of the FRUs remaining in the system is defective.
In the following order, exchange the FRUs that have not been exchanged.
1. Diskette drive
2. Diskette drive cable
3. I/O board (See notes on page 2-1)
4. Power supply
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 your service support person for assistance.
If the symptom has changed, check for loose cards, cables, and obvious
problems. If you do not find a problem return to “Step 1540-1” on
page 2-38 in this MAP and follow the instructions for the new symptom.
YES Go to “Step 1540-16” on page 2-54.
Chapter 2. Maintenance Analysis Procedures
2-53