Gateway E3400 System Manual page 63

To replace the system board:
1
Remove or disconnect the following devices from the system board:
2
Remove the four screws that attach the system board to the system board
tray assembly, then lift out the system board.
3
Remove the new system board from its packing material.
System
board
Rear I/O
shield
System board
tray assembly
4
Install the new board onto the system board tray assembly, carefully
aligning the ports and connectors with the holes on the rear I/O shield.
5
Reinstall the four screws to secure the board to the tray assembly.
56
Replacing and Adding System Components
Processor. (See "Replacing or adding a processor" on page 59 for
instructions.)
DIMMs. (See "Adding or replacing memory" on page 43 for
instructions.)
AGP graphics card. (See "Replacing the AGP card" on page 49.)
Devices from the old system board that are not included with the
new board, such as processor retention brackets.