IBM 3745 Series, Installation And Maintenance Manual

Page: 154 / 270

Board Exchange
Notes
¹
A new system board comes without microprocessor, no memory options on
it. You must transfer all such components from the system board being
removed.
¹
Be sur to have read “Before Replacing a System Board” on page 3-23.
1. Remove the system board using the following Steps:
a. Remove the service processor front panel (see “Front Panel” on page H-3
for details).
b. Remove the Token-Ring adapter card (Slot 4).
c. Remove the display adapter card (Slot 1).
d. Remove the plastic cover of the processor.
e. Remove the diskette and hard disk drive (see “Diskette / Hard Drive
Bracket” on page H-4, for details).
f. Remove the seven cables connector coming from diskette, disk, CD-ROM,
fan, and panel.
g. Remove the seven screws which secure the board.
Screws
h. Remove the board from the service processor box.
2. Unpack the new system board.
3. Remove the processor from the old system board and install it on the new
system board.
5-6
3745-XXA 5-6 3746-9X0: 6563 SPIM