T4900CT
4.14 RTC Battery
Removing the RTC Battery
To remove the T4900CT’s speaker and RTC battery follow the steps below and refer to
figures 4-34 and 4-35.
1. Turn off the power to the T4900CT and disconnect the AC adapter, power cord,
and all external cables connected to the T4900CT.
2. Remove the battery pack, optional memory card, optional PCMCIA card, HDD
pack, top cover, keyboard, status indicator panel, backup battery and microphone,
display assembly, upper system board, power supply board, and base assembly as
described in sections 4.2 through 4.12.
3. Turn the base assembly upside down.
4. Remove the tape and lift up the battery’s plastic cover.
5. Remove two M2x6 screws securing the PCMCIA slot 2 connector board at the
corners. Do not remove the two screws at the middle edges of the board (figure 4-
34).
6. Remove two M2.5x4 screws on the edge opposite the PCMCIA slot 2 connec-
tors.
7. Lift the front part of the metal plate to locate and then disconnect two PCMCIA
slot 2 connectors from the lower system board and lift out the PCMCIA slot 2
connector's board (figure 4-34).
Figure 4-34 Removing the PCMCIA slot 2 connector board
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