T3400, T3400CT
4.9 System Board
Removal
To remove the system board, follow the steps below and refer to Figure 4-16.
1. Turn off the power and disconnect the AC adapter, power cord, and all external
cables.
2. Remove the battery pack, optional memory card, optional PCMCIA card, top
cover, HDD, and RTC and backup batteries as described in sections 4.2 through
4.7.
3. Lift up the back (connector) side of the system board slightly (Figure 4-16).
4. Remove one M2x6 brass screw securing the system board to the bottom cover.
5. Hold down the power supply/system joint board with your thumb and pull the
system board to disconnect it from the power supply/system joint board (Fig-
ure 4-16).
6. Lift out the system board (Figure 4-16).
NOTE: Be careful with the PCMCIA card eject button, it may be necessary to open the
PCMCIA slot cover for the button to clear the bottom cover. Be sure to ease the board
carefully from its guide pins.
Figure 4-16 Removing the System Board
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