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REPAIR/REPLACEMENT PROCEDURES
PART REPLACEMENT PROCEDURES
8 - 8
I-E96-107-2N
®
5. Carefully lift the card out of the computer.
6. For replacing computer cards in the OIS12 computer, refer
to
, IIOIS12 Hardware for the necessary jumper/
switch settings required for each of the cards.
For replacing computer cards in the OIC12 computer, refer to
, IIOIC12 Hardware for the necessary jumper/switch
settings required for each of the cards.
NOTE: Although both the OIS12 and OIC12 use some of the same
cards, the jumper/switch settings may not be the same for both.
7. If the Graphics card is replaced, the Bus Mouse must be
enabled. Refer to the section
Appendix A for details.
Hard Disk Drive
Personnel working with or handling printed circuit boards and
MOS devices need to be grounded by wearing conductive wrist
ground straps. Refer to
for ESD information.
NOTE: Always use the Elsag Bailey Field Static Kit (P/N 1948385A2
consisting of a wrist strap, ground cord assembly and alligator clip)
when working with the OIS. The kit is designed to connect the tech-
nician and the static dissipating work surface to the same ground
point to prevent damage to the modules by electrostatic discharge.
1. Loosen the computer strap holding down the computer.
Remove the cables from the rear. Now remove the computer, as
described in this section under the heading
, and
place it on an antistatic work surface.
2. Remove the three screws from the rear of the computer.
Remove the screw on the center of the front and back edge of
the cover.
3. Lift the cover and disconnect all power and ribbon cables
to the hard disk drive. Label the connections if needed.
4. Remove the screws securing the hard disk drive to the sys-
tem unit. Lift the drive out of the computer.