Toshiba TECRA S1 - Manual (Page 199)

4.14 System Board 4 Replacement Procedures
TECRA S1 Maintenance Manual 4-51
4.14 System Board
Removing the System Board
Remove the system board according to the following procedures and Figures 4-34.
1. Remove the one M2.5x3.5 black flat-head screws for securing the system board.
2. Remove the lever of the slide switch.
3. Remove the system board.
Figure 4-34 Removing the system board