IBM RT PC 10 Hardware Maintenance And Service page 160

43x
FRU: Advanced Monochrome Graphics Display Adapter
Additional Tests: Run the Display Checkout.
Removal Procedure: See "Adapter Removal" on page 4-16.
Repair Checkout: Run the Display Checkout.
44x
FRU: Graphics Memory Expansion Kit
Additional Tests: Run the Display Checkout.
Removal Procedure: See "Adapter Removal" on page 4-16.
Repair Checkout: Run the Display Checkout.
49x
FRU: IBM Monochrome Display and Printer Adapter
Additional Tests: Run the IBM Monochrome Display and Printer
Adapter Checkout.
Removal Procedure: See "Adapter Removal" on page 4-16.
Repair Checkout: Run the IBM Monochrome Display and Printer
Adapter Checkout.
Problem Isolation Charts
3-115