Technical data
2-14 9020/9030/9040 Environmentalilnstallation/PM
512K Byte
RAM
Board Installation
1.
(ALL)
TURN THE POWER OFF
AND
DISCONNECT THE POWER CORD.
2.
(520)
Open
the left door.
(530)
Remove the front panel.
(540)
Remove the front bottom panel.
3.
(530/540
ONLY)
From the front of the computer, remove the Radio Frequency Interference
(RFI)
shield by
loosening the six thumbscrews.
4.
(ALL)
Open
processor stack door.
5.
(ALL)
CAUTION
ELECTROSTATIC
DISCHARGE
DAMAGE
CAN
OCCUR
IN
THE
FOLLOWING STEPS.
FOLLOW
THE
PRECAUTIONS
IN
CHAPTER
4
OF
THE
SERVICE
MANUAL.
DO
NOT
TOUCH
EDGE
CONNECTOR
OR
BOARD
PLANE.
HOLD
BOARD
BY
EJECTORS
OR
SIDE
EDGES
ONLY.
HANDLING
THE
RAM
BOARD
INCORRECTLY
COULD
CAUSE
ELECTROSTATIC
DISCHARGE
DAMAGE.
WHEN
INSTALLING
THE
RAM
BOARD.
HOLD
BY
EJECTORS
AND
MOVE
AIR
CONTROLLER
OUT
OF
THE
WAY
WITH
THE
SIDE
EDGE
OF
THE
BOARD.
Remove the Load Board (09855-66525) from the Processor Stack.
if
it
is
present
and
at least
one
RAM
board
is
installed. The load board
will
no
longer be required. It
is
the property of the
customer.
6.
(ALL)
Install the new
RAM
board
in
the
first
unoccupied slot from the bottom. DO NOT
LEAVE
EMPTY SLOTS BETWEEN BOARDS.
7.
(ALL)
Close the processor stack door. Firmly tighten thumbscrews to prevent
RFI
radiation. Replace
the label that
is
used as a seal for the processor stack door (Part Number 5180-5201).
8.
(530/540
ONLY)
Replace
RFI
shield.
9.
(520)
Close left door.
(530)
Replace front panel.
(540)
Replace the front bottom panel.
10.
(ALL)
Connect power cord to ac outlet.