IBM RT PC 10 Hardware Maintenance And Service page 124

POST Errors 03 or 05 PIC 9810
Step 1
1. Do the "Top Cover Removal" on page 4-12.
2. Plug the external power cable into the outlet.
3. Remove the fixed-disk and diskette drive adapter from slot 6.
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IS THERE A BOARD IN SLOT B OR D?
NO Go to "Step 5" on page 3-83.
YES Continue on the next page.
Problem Isolation Charts
3-79