Step 9

(from Step 5)

1.Set the power switch on the system unit to Off.

2.For Models 340, 34H, 350, 355, 360/36T, 365, 370/37T, and 375, 380, 390, 39H, 397, and models 320, 32E, and 32H with SCSI-attached disk drives, connect power connector P3 to the rear disk drive.

For Models 320, 32E, and 32H with bus-attached disk drives, connect power connector P3 to the system planar.

3.Set the power switch on the system unit to On. Wait 10 seconds before answering the following question.

Did the power-on light come on and stay on?

NO

Exchange the rear disk drive. Go to ªMap 0410: Repair Checkoutº in the

 

Diagnostic Information For Micro Channel Bus Systems.

YES

Go to Step 10.

Step 10

(from Step 9)

1.Set the power switch on the system unit to Off.

2.For Models 340, 34H, 350, 355, 360/36T, 365, 370/37T, and 375, 380, 390, 39H, 397, and models 320, 32E, and 32H with SCSI-attached disk drives,connect power connector P4 to the front disk drive.

For Models 320, 32E, and 32H with bus-attached disk drives, connect power connector P4 to the system planar.

3.Set the power switch on the system unit to On. Wait 10 seconds before answering the following question.

Did the power-on light come on and stay on?

NO

Exchange the front disk drive. Go to ªMap 0410: Repair Checkoutº in the

 

Diagnostic Information For Micro Channel Bus Systems.

YES

Go to Step 11.

2-1520-6Installation and Service Guide

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IBM 7012 manual 1520-6Installation and Service Guide