Toshiba PORTEGE M400 Maintenance Manual page 282

4 Replacement Procedures
3. Install the RTC battery to the slot and wrap it with the insulator.
CAUTION: When installing new system board, stick new keyboard supports on the
4-44
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system board.
Keyboard support
[CONFIDENTIAL]
4.13 System board/RTC battery
Keyboard support
(For the model of no wireless LAN)
PORTEGE M400 Maintenance Manual (960-541)