IBM RT PC 10 Hardware Maintenance And Service page 162

58x
FRU: Enhanced Color Display
Additional Tests: Run the Display Checkout.
Removal Procedure: See "Attached Device Removal" on page 4-20.
Repair Checkout: Run the Display Checkout.
60x
FRU: Advanced Monochrome Graphics Display
Additional Tests: Run the Display Checkout.
Removal Procedure: See "Attached Device Removal" on page 4-20.
Repair Checkout: Run the Display Checkout.
63x
FRU: Operator Panel Board
Additional Tests: None
Removal Procedure: See "Operator Panel Board Removal" on
page 4-34.
Repair Checkout: Run the System Checkout. The two-digit
display displays "88" immediately after the
power switch is set to On for a lamp test. In
normal operation, the two-digit display is blank
when the POST programs complete.
Problem Isolation Charts 3-117