IBM 6151 Maintenance And Service Manual page 94

44x
IBM PC Graphics Memory Expansion Module
Do not return to the Start of Call PIC, go to "IBM PC
Enhanced Graphics Adapter Memory PIC 4200" on
page 3-4200-1.
45x
RT PC Advanced Color Graphics Display Adapter
Additional Tests: Run the Display Checkout.
Removal Procedure: See Adapter Removal in Section 4.
Repair Checkout: Run the Display Checkout.
47x
Extended Monochrome Graphics Display Adapter
Additional Tests: Run the Display Checkout.
Removal Procedure: See Adapter Removal in Section 4.
Repair Checkout: Run the Display Checkout.
3-0020-16 Service Manual