Technical data

2-16
9020/9030/9040 Environmental/Installation/PM
Part Numbers
1 Megabyte RAM Board (exchange)
(new)
Boot Loader
ROM *
Load Board
97046-69704
5061-7704
09020-80000
(Rev.A)
09020-80001 (Rev.B)
09855-66525
*
See
BOOT LOADER
ROM
on
the previous page
for
part number applicability. When ordenng
the
ROM,
the serial number and model number of the computer
must
be
given to the individual
taking the order.
CE Handbook
When completed with the installation, insert these pages
in
your CE Handbook (after page 2-14
oj
either the
9020
or 9030/9040 section).
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 both front panels and the fiiptop cover.
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.
6.
(ALL)
Install the
RAM
boards starting with the
first
unoccupied slot from the bottom. DO NOT
LEAVE
EMPTY SLOTS BETWEEN BOARDS.
If
a Load Board
is
required, install
it
in
the
next slot above the
RAM.
(See
"Load
Board"
in
the information at the front of the proce-
dure.)
7.
(ALL)
Close the processor stack door. Firmly tighten thumbscrews to prevent
RFI
radiation. Re-
place the label that
is
used as a seal
for
the processor stack door (Part Number 5180-5201).