IBM pSeries 690 Service Manual page 346

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Table of Contents

Step 1542-19

1. Turn off the power.

2. Disconnect the I/O subsystem power cables.

3. Replace the following parts, one at a time, in the sequence listed:

a. Boot device SCSI cable

b. Boot device SCSI adapter

c. Boot device SCSI backplane

d. Boot device

e. I/O subsystem backplane where boot device is located

f. Other I/O subsystem backplane

g. Both I/O subsystem DCAs

4. Reconnect the I/O subsystem power cables.

5. Turn on the power.

6. Boot standalone diagnostics from CD.

7. If the Please define the System Console screen is displayed, follow directions to select the system

8. Use the Display Configuration and Resource List to list all attached devices and adapters (refer to the

RS/6000 and Eserver pSeries Diagnostic Information for Multiple Bus Systems, order number

SA38-0509, if necessary).

9. Check that all attached devices and adapters are listed.

Did the Please define the System Console screen display and are all attached devices and adapters

Replace the next part in the list and return to the beginning of this step. Continue repeating this

process until a part causes the Please define the System Console screen to be displayed and all

attached devices and adapters to be listed. If you have replaced all the items listed above and the

Please define the System Console screen does not display or all attached devices and adapters

are not listed, check any external devices and cabling. If you do not find a problem, contact your

next level of support for assistance.

Go to "Step 1542-20" on page 331.

Eserver pSeries 690 Service Guide