Toshiba 650CT Maintenance Manual page 156

6. Remove two M2x6 screws securing the system board and lift out the board. First
lift the edge on the side opposite the audio jacks, then pull the board out to clear
the jacks.
Installing the System Board
To install the system board, follow the steps below and refer to Figures 4-32 and 4-31.
1. Seat the system board and secure it with two M2x6 screws. Set the edge with the
audio jacks in place first so the jacks go through corresponding holes on the
bottom cover, then lay the board in place.
2. Seat the HDD holder and secure two M2x6 screws.
3. Seat the heat sink plate and secure it with one M2x8 screw and one M2x6
screw. The M2x8 right screw secures the HDD holder. Be sure to carefully
install the two insulator strands before securing the HDD base.
4. Seat the battery pack connector cover and secure it with one M2x6 screw.
5. Install the speaker RTC battery and I/O board and PC card slot, membrane switch
and backup battery, top cover and display assembly, keyboard, DAA module,
HDD, optional PC card, optional memory module and battery pack as described in
sections 4.11 back through 4.2.
4-32
Figure 4-32 Removing the system board
650CT