CMOS Battery Location

I am trying to replace the CMOS battery, but I can't seem to find its location?  Do you know where the CMOS Battery is located on a Thinkpad A30?
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This link has the info you're looking for.  IBM calls it the backup battery.  It's on page 79.
jaredricoAuthor Commented:
i looked there, but i can't find it when i open the system up
After you open the case and remove whatever daughter card is there, you should see the batter clipped in a little bracket, from what I can tell.
Look for the cable plug into the board as shown in the picture on page 79.  That will lead you to the battery.
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