Dell Vostro 200 (Mid 2007) - Manual (Page 160)

160
Removing and Installing Parts
System Board Screws
Place the system board assembly that you just removed next to the
replacement system board to compare and ensure they are identical.
Installing the System Board
1 Gently align the board into the chassis and slide it toward the back of the
computer.
2 Using the eight screws, secure the system board to the chassis.
3 Replace the cables that you removed from the system board.
1 screws (8) 2 system board
1
2