IBM RT PC 10 Hardware Maintenance And Service page 149

Undetermined Problem PIC 9860
Step 1
Notes:
1. Some tests require that a specific adapter be installed before the test is
run.
2. If the failing test is not known, run System Checkout.
Look at the test that failed.
IS A SPECIFIC ADAPTER REQUIRED TO RUN THE FAILING TEST?
YES Exchange the adapter that is required to run the failing test.
1. Try the failing test again.
2. If the test still fails, continue on the next page.
NO Continue on the next page..
3-104 Service Manual