HP 9020 CE Handbook page 17

9020 EnvironmentaVInstallation/PM 2-7
1. (ALL)
lOP FINSTRATE INSTALLATION
WARNING
OBSERVE ALL WARNINGS AND SAFETY PROCEDURES IN THE
COMPUTER SERVICE MANUAL. LETHAL VOLTAGES ARE PRE-
SENT IN THE COMPUTER.
TURN THE POWER OFF AND DISCONNECT THE POWER CORD.
2. (520 - 2nd lOP)
Remove the left door.
(520 - 3rd lOP)
Open the left door. Remove the
1/0
expander cable from the JlO EXPANDER 1 slot on the
processor stack door
(if
connected).
(530)
Remove front panel.
(540)
Remove both front panels and flip-top cover.
3. (520 - 2nd lOP)
Remove the trim piece on the left side of the computer by loosening the two #2 Pozidriv
screws (Figure 1). The screws do not have to be completely removed to remove the trim
piece.
(520 - 3rd lOP)
Continue with next step.
(530/540)
Remove top and bottom covers from System II enclosure. From the front of the computer
remove the Radio Frequency Interference (RFI) shield by loosening 6 thumbscrews.
1/0 EXPANDER 2 SLOT
1/0 EXPANDER 1 SLOT
*
TRIM PIECE
*
#2 POZIDRIV SCREW
Figure 1. Model 520 Computer Stack.
*