Backup battery removal - ThinkPad 600, 600E, 600X

Symptom
Detailed information on removing CMOS Battery FRU 02K6502.

Possible 600 post errors that indicate CMOS (real time clock RTC) battery should be replaced
0161 Dead Battery
0173 Configuration Data was Lost
0192 Fan Error

Affected configurations
All TP
600, 600E, 600X Systems (2645XXX)

Solution
Remove and replace the CMOS battery.

Caution
The backup battery is a lithium battery and can cause a fire, an explosion, or severe burns. Do not recharge it, remove its polarized connector, disassemble it, heat it above 100°C (212°F), incinerate it, or expose its cell contents to water. Dispose of the battery as required by local ordinances or regulations. Use of an incorrect battery can result in ignition or explosion of the battery.

  1. Loosen screw 1.
  2. Lift DIMM door off.
  3. Gently pry battery connector loose with a screw driver.
  4. Remove battery.
    memory door removal
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2. Product usage and general troubleshooting tips
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Document ID : PD008843
Legacy Document ID : MIGR-4YQMN7
Last Updated :
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