Toshiba T200 User Manual page 126

4.7 Upper System Board • Backup Battery • RTC Battery
Removing the Upper System Board, Backup Battery and RTC Battery
CAUTION: RTC memory data will be erased when the RTC battery connector is
disconnected. Before removing the RTC battery, memorize the information.
To remove the computer's upper system board, backup battery, and RTC battery, follow the steps
below and refer to Figures 4-9 and 4-10.
1. Turn off the power to the computer. Disconnect the AC adapter, power cord and
all external cables connected to the computer.
2. Remove the battery pack, optional memory card, optional PCMCIA cards, HDD,
and back cover as described in sections 4.2, 4.3, 4.4, 4.5 and 4.6.
3. Peel back the protective tape and reflect the insulator away, then disconnect the
backup battery cable from PJ203, and lift out the backup battery (Figure 4-9).
4. Reflect the insulator away, then disconnect the RTC battery cable from PJ403, and
lift out the RTC battery (Figure 4-9).
5. Disconnect the battery release switch cable from PJ10 (Figure 4-9).
Figure 4-9 Removing the Backup Battery and RTC Battery
4-16
T200, T200CS