Sony PCV-L630 - Vaio Slimtop Computer User Manual page 895

There is danger of the battery exploding if it is replaced incorrectly. You must replace the battery
only with a CR2032 type lithium battery. Discard used batteries according to the instructions in the
Consumer Information Guide
6. Replace the cover.
The values stored in the CMOS memory are now reset to the factory default values. You must run the Setup
utility to reset the date, time, passwords, and other changes you may have made to the BIOS settings. If you do
not wish to customize your BIOS settings, you do not need to run the Setup utility. If you simply wish to reset the
date and time, see Windows Help for instructions.
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