IBM RT PC Problem Determination Manual page 44

Step 7. Test Option
2-16 Problem Determination Guide
The TEST OPTION menu is displayed when an option that was
previously recognized by the system is not found during Power-On
Self-Test (POST). The option that was not found is listed in the
TEST OPTION menu.
IS THE "TEST OPTION" MENU DISPLAYED?
YES CONTINUE to next page.
NO Go to "Step 9. Diagnostic Test List" on page 2-18.