Sony PCV-230 - Manual (Page 139)

Replacing the Lithium Battery
7
Reinstall any add-in cards that were removed, and replace the side
panel as described on page 134.
^ 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 options.
See the online System Reference Manual for details.
8
To run the Setup utility, press F3, then press FI to run the BIOS
setup utility.
9
Change the default values to the values you wrote down in step 2.
10
Save your Setup changes, and then exit the Setup utility.
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