Replacing the system board 39
Replacing the system board
The system board is secured to the chassis by five screws and a single standoff
in the front left corner of the board.
To remove the system board:
1 Turn off the computer and disconnect the power cord, modem cable (if
installed), and all external peripheral devices.
2 Remove the cover. (See “Removing the cover” on page 17 and “Static
electricity precautions” on page 15.)
3 Remove all expansion cards from the system board. (See “Adding or
replacing expansion cards” on page 35.)
4 If your computer includes an air duct, remove the air duct covering the
power supply fan and the processor (see “To remove the heatsink:” on
page 32).
5 Disconnect all cables from the system board, including the power cables
from the power supply. Note where the cables are connected.
Important All references to front, rear, left, or right on the computer
are based on the computer being in a normal position, as
viewed from the front.
8506999.book Page 39 Friday, December 15, 2000 8:22 AM
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