IBM B50 manual Is the Please define the System Console screen displayed? NO, Step

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 2-18,and follow the instructions for the new symptom.

Go to “Step 1540-12” on page 2-27.

One of the FRUs remaining in the server is defective.

In the following order, exchange the FRUs that have not been exchanged.

Step 1540-11

The server 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 off the power.

3.Plug the diskette drive cable into the diskette drive connector on the system board.

4.Turn on the power.

5.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.

6.Enter the appropriate password if you are prompted to do so.

Is the "Please define the System Console" screen displayed?

NO

1.Diskette drive

2.Diskette drive cable

3.System board (see note 3 on page 2-1).

4.Power supply

YES

2-267046 Model B50 Service Guide