Removals And Replacements; 1005 Cover; 1010 Cover Lock; 1015 Fan / Air Baffle - IBM PS/2 90 XP 486 Hardware Maintenance Reference

7.0 Removals and Replacements

The arrows in the removals and replacements procedures show the direction
of movement to remove a field-replaceable unit (FRU), to turn a screw, or
to press a tab to release the FRU.
to show the correct sequence of removal.
When other FRUs must be removed prior to removing the failing FRU, they
are listed at the top of the page.
FRU listed, remove the FRU, and then continue with the removal of the
failing FRU.
To replace a FRU, reverse the removal procedure and follow any notes that
pertain to replacement.
arrangement information.
CAUTION:
Before removing any FRU, power-off the system, unplug all power cords from
electrical outlets, and disconnect any interconnecting cables.
Warning: The system board, adapters, memory modules, and the processor
can be damaged by, electrostatic discharge.
discharge (ESD) strap to establish personal grounding.
an ESD strap, establish personal grounding by touching a ground point with
one hand before touching the static sensitive FRUs.
Subtopics
7.1 1005 Cover
7.2 1010 Cover Lock
7.3 1015 Fan / Air Baffle
7.4 1020 Power Switch / Speaker Assembly
7.5 1025 Diskette Drive
7.6 1030 Hard Disk Drive
7.7 1035 Adapters
7.8 1040 487SX Processor (extended math capability)
7.9 1045 Memory-Riser-Card Bracket
7.10 1050 Memory-Riser Card
7.11 1055 Power Supply
7.12 1060 Battery

7.13 1065 System Board

7.14 1070 Video Memory
IBM PS/2 Model 90 XP 486 HMR
Removals and Replacements
The arrows are marked in numeric order
Go to the removal procedure for each
See "Locations" for internal cable connection and
Use an electrostatic
¦ Copyright IBM Corp. 1990, 1991
7.0 - 1
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