HP 9000 Series 310 Service Information Manual page 46

Procedure
1. Disconnect the two ribbon cables from their connectors on the backplane.
2. Using a #1 Pozidriv® screwdriver, remove the screws holding the card cage to the chassis.
Refer to Figure 2-9.
Computer Bus Expander
Figure 2-9. Card Cage Fasteners
3. Slide the card cage out of position by sliding it slightly to the right until the tabs on its
left side clear their mounting slots and remove the card cage.
ASSEMBLY NOTE
Note that the left side of the card cage fits outside the chassis and the
right side fits inside the chassis.
4. To install the card cage, reverse steps 1, 2, and 3.
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Assembly Replacement