Digital Equipment CELEBRIS 5100, Service Maintenance Manual, Page: 58 / 94

Service Procedures D igital C ELEBRIS Pentium PC
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Replacement Procedures
Replacing the Computer Battery
The CELEBRIS Pentium computer battery runs the computer clock and retains any setup information
when it is turned off. If the computer ever fails to retain the correct date, time, or configuration settings
when it is turned on, replace the computer’s battery.
WARNING
Depending on your locality, the computer’s battery might be considered hazardous
waste. Make sure you follow any state or local statute to properly dispose of the old
battery.
To replace the battery, perform the following:
1) Record computer configuration settings using the BIOS Setup utility.
2) Turn off the computer.
3) Disconnect external devices, ac power, and monitor power.
4) Unlock and remove cover.
5) Carefully lift up on retaining clip and remove old battery.
6) Install new battery.
When installing new battery, make sure + side faces up.
7) Replace and lock cover.
8) Connect external devices and restore power.
9) Run BIOS Setup utility to reconfigure computer using recorded configuration settings from step 1.