430 Series
5. Use a multimeter to measure the TP2 (+) and ground voltage according to the
following value.
TP2 6.0 V to 8.0 V
If the voltage is too low, replace the sub-battery with a new one.
Figure 4-26 Measuring the voltage at TP2
6. Install the keyboard, HDD, FDD or CD-ROM drive, optional memory module,
optional PC card, and battery pack as described in Sections 4.7 back through 4.2.