1. Observe the safety and ESD precautions at the beginning of this chapter and the additional
warning given on page 120.
2. Remove the access cover.
3. Insert the tip of a small flat-bladed screwdriver or equivalent under the plastic tab on the
snap-on plastic retainer.
4. Gently push down on the screwdriver to lift the battery.
5. Remove the battery from its socket.
6. Dispose of the battery according to local ordinance.
7. Remove the new lithium battery from its package and, being careful to observe the correct
polarity, insert it in the battery socket.
8. Reinstall the plastic retainer on the lithium battery socket.
9. Reinstall the access cover using the original screws.
10. Run the SSU to restore the configuration settings to the RTC.
Figure 42. Replacing the Lithium Battery
B
A
C
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