Toshiba T2100 Series Maintenance Manual page 141

Installing the System Board and Backup/RTC Batteries
WARNING: If you replace the backup battery and/or RTC battery, be sure to
use only the same model battery or an equivalent battery recommended by
Toshiba. Installation of the wrong battery can cause the battery to explode.
To install the system board and backup/RTC batteries, follow the steps below and refer to
Figure 4-20.
1. Place the system board into the bottom cover.
2. Connect the back up battery cable to PJ503 on the system board.
3. Connect the RTC battery cable to PJ2 on the system board.
4. Secure the two M2.5x6 screws on the system board.
5. Install the AC PS unit, FDD, top cover, display assembly, HDD, keyboard,
optional memory module, optional PCMCIA card and battery pack as described in
Sections 4.9 back through 4.2.
T2100 Series
4-27