Toshiba Satellite 110 Series Maintenance Manual page 133

6. Connect the Real Time Clock battery cable to PJ3 on the system board. Use a
multimeter to measure the TP1 (+) and ground voltage according to the following
value.
+2V to 4V
If the voltage is too low, replace the RTC battery with a new one.
7. Turn the computer upside down and secure three M2.5x8 silver screws and four
M2.5x6 screws (Figure 4-19).
8. Install the sub-battery, VGA board, keyboard, HDD, optional memory module,
optional PC card, and battery pack as described in Sections 4.7 back through 4.2.
110 Series
Figure 4-22 Measuring the voltage at TP1
4-23