IBM RT PC 10 Hardware Maintenance And Service page 139

Step 3
One of the removed adapters is failing.
1. Set the power switch on the system unit to Off.
2. Install one of the adapters. Use the following order; the fixed-disk and
diskette adapter, the display adapter, then any other adapter.
3. Be sure the power has been off 30 seconds, then set the power switch
on the system unit to On.
4. Wait four minutes, then answer the following question.
rill
LUJ
3-94 Service Manual
IS "II" OR "12" DISPLAYED IN THE TWO-DIGIT DISPLAY?
NO Repeat the above steps.
YES Set the power switch on the system unit to Off.
1. The last adapter installed is failing, exchange the failing
adapter.
2. Continue on the next page.