IBM PS/2 90 XP 486 Hardware Maintenance Reference page 105

17.11 1055 Memory Module Kit
Cover and Front Bezel
Power Supply (1050) (Steps
Notes:
1. If memory is added or removed, run Automatic configuration from the
hard disk drive.
2. If memory is replaced because it failed, run the advanced diagnostic
memory test. Otherwise, the system might not recognize the
replacement memory.
IBM PS/2 Model 90 XP 486 and 95 XP 486 HMR
1055 Memory Module Kit
(1005)
2 and 3 only)
PICTURE 43
¦ Copyright IBM Corp. 1990, 1992
17.11 - 1