HP 9020 Service Manual page 119

Assembly Access
4-19
CAUTION
CAREFULLY HANDLE BOARDS TO PREVENT DAMAGE TO THEM
FROM ELECTROSTATIC DISCHARGE OR OTHER CAUSES.
HOLD BY EJECTORS OR SIDE EDGES ONLY. DO NOT TOUCH
EDGE CONNECTOR CONTACTS OR BOARD PLANES. IM-
MEDIATELY PLACE BOARD IN AN ANTISTATIC BAG OR ON
ANTISTATIC SURFACE.
5. Pull out on board ejectors to release board from stack motherboard (Figure 4-18) and slide
the board out of the slot. If lOP finstrate (slot #4) is being removed, pull out on ejectors, slide
board slightly out, open connector gate, remove ribbon cable connector (Figure 4-18), and
then remove board from stack.
EJECTOR
lOP #3 (SLOT #4) RIBBON CABLE CONNECTOR
CONNECTOR GATE
Figure 4-18. Removing Upper Board, View 2
Reassembly Notes
When installing board, hold by ejectors and use side edge of board to
move air controller out of the way and onto board.
Insert board firmly in stack motherboard and push in by ejectors to lock
board in place.
Firmly tighten stack door thumbscrews to prevent RFI radiation.