Toshiba T4900CT Manual page 160

Installing the Lower System Board
To install the T4900CT's lower system board, follow the steps below and refer to figures 4-36
through 4-38.
1. Connect the sound system board to lower system board, then place the lower
system board on the base assembly frame (figure 4-38).
2. Secure the lower system board with one M2.5x6 screw and two M2x6 screws
(figure 4-37).
3. Set the lower system board's metal cover in place. Be sure the two audio ports
extend through the holes in the cover (figure 4-36).
4. Fasten the three M2.5x6 screws to secure the lower system board's metal cover
(figure 4-36).
5. Connect the FDD cable to PJ304 on the lower system board.
6. Install the PCMCIA slot 2 board, base assembly, power supply board, upper
system board, display assembly, backup battery and microphone, status indicator
panel, keyboard, top cover, HDD, optional PCMCIA cards, optional memory card,
and battery pack as described in sections 4.14 and 4.12 back through 4.2.
T4900CT
4-41