IBM 265, Service Manual

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Step 1540-14
The system is working correctly with this configuration. The diskette drive 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 diskette drive cable into the diskette drive connector on the system board.
4. Plug in the power cords and wait for OK on the operator panel display.
5. Turn on the power.
6. After the keyboard indicator displays, 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 you are 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. System board (see notes on page 31)
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
service support 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 60 in
this MAP and follow the instructions for the new symptom.
YES Go to “Step 1540-15” on page 72.
Chapter 3. Maintenance Analysis Procedures (MAPs)
71