Having problems with your IBM ThinkPad T22 2647 Notebook ?

IBM Thinkpad will not hold date & time.

\015 "ERROR0271: Check date and time settings"ERROR0251: System CMOS checksum bad - Default configuration usedERROR:Resource Conflict - Allocation error static node # 01"IBM ThinkPad\015

Answers :

Replace the backup battery and run BIOS Setup Utility to reset the time and date. This will resolve the issue.
Sounds like a bad CMOS backup battery. If you look on the mother board there should be a small black chip (label BIOS usually) with a watch battery next to it. Replace it.

I personally recommend consulting IBM though if you're not very literate with computers.
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