Removing Processor Stack Cover Plate - HP 9020 Service Manual

Assembly Access
4-25
4. Loosen two #2 Pozidriv screws that hold trim piece to left side of computer (Figure 4-19) just
far enough to remove trim piece. Remove trim piece while leaving screws in place on
computer.
5. Disconnect lOP expander cables, if present, from processor stack door (Figure 4-17).
6. Loosen two #2 Pozidriv captive screws at bottom of processor stack door (Figure 4-20).
CAUTION
BEFORE REMOVING PROCESSOR STACK DOOR AS DESCRIBED
IN THE FOLLOWING STEP, NOTE THAT INTERNAL lOP EXPAND-
ER CABLES MAY INTERCONNECT THE DOOR WITH ADDITION-
AL lOP FINSTRA TES. THESE CABLES MUST BE DISCONNECTED
FROM THE FINSTRA TES BEFORE THE DOOR CAN BE COM-
PLETEL Y REMOVED.
7. Loosen two captive thumbscrews on processor stack door (Figure 4-20) and remove door.
Disconnect internal lOP expander cable(s), if present, from lOP finstrate(s) (Figure 4-21).
8. Disconnect internal lOP cable from lOP finstrate in slot #2 (Figure 4-21).
9. Remove eight #2 Pozidriv screws that attach cover plate over processor stack, and remove
cover plate (Figure 4-23).
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#2 POZIDRIV SCREW
PROCESSOR STACK
COVER PLATE
Figure 4-23. Removing Processor Stack Cover Plate