If the symptom did not change and all the disk drives have been exchanged, in the following order exchange the FRUs that have not been exchanged:

For Models 320, 32E, and 32H with bus-attached or SCSI-attached disk drives:

1.Riser card (if present)

2.SCSI adapter (if present)

Note: Refer to POWERstation and POWERserver Common Diagnostics and Service Guide, Chapter One; SCSI-1 Adapter Fuse Blowing.

3.SCSI cable (if present)

4.System planar

5.Power supply.

For Models 340, 34H, 350, 355, 360/36T, 365, 370/37T, and 375,380, 390, 39H, and 397:

1.SCSI bus extender card

Note: Refer to POWERstation and POWERserver Common Diagnostics and Service Guide, Chapter One; Integrated SCSI Fuse Blowing .

2.SCSI cable

3.System planar

4.Voltage regulator card (Model 39H)

5.Power supply.

 

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 1 in this MAP and

 

follow the instructions for the new symptom.

YES

Repeat this step until the signal and power connectors for all the disk drives

 

have been connected.

 

For Models 320, 32E, and 32H, go to Step 11.

 

For Models 340, 34H, 350, 355, 360/36T, 365, 370/37T, and 375, 380, 390,

 

39H, and 397, go to Step 10.

Maintenance Analysis Procedures 2-1540-11

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Image 53
IBM 7012 manual For Models 320, 32E, and 32H, go to Step