Gateway Tower User Manual page 268

Chapter 13: Upgrading Your Computer
6
Slide the system board toward the front of the case, then up and out of
the case. The system board standoffs slide out of the keyhole slots.
7
Slide the new system board into the keyhole slots and lock it into place
with the thumbscrew.
Important
8
Reconnect the power and data cables using your notes from Step 4. For
more information, see the system board documentation.
9
Install the add-in cards using the instructions in "Adding or replacing
add-in cards" on page 254.
10
Close the case using the instructions in "Closing the case" on page 246.
260
The new system board must have special standoffs
( pem studs ) mounted on the bottom of the board. If
necessary, use the standoffs from the original
system board.
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Standoff Keyhole slot