This is a remote service and requires W24RF08 eeprom writer to have the process done correctly.
For CRC errors in Thinkpads with 24RF08 eeprom. You have or read the eeprom with the free reader R24RF08 (see Download section) and the driven i2c interface and email the eeprom dump to firstname.lastname@example.org .
Note: W24RF08 is offered with 1 free CRC repair as a bonus. If you have one Thinkpad just buy the eeprom writer. For more, you have to purchase this CRC repair service..