Removing And Replacing The Server Battery/Real Time Clock (Rtc) - Digital Equipment 3100R Series Service Maintenance Manual

Removing and Replacing the Server Battery/Real
Time Clock (RTC)
The server's battery runs the server clock and retains any setup information when it
is turned off. If the server ever fails to retain the correct date, time, or configuration
settings when it is turned on, you need to replace the server's battery/RTC. The
DIGITAL part number for this device is 21-39151-01.
To replace the battery/RTC, perform the following:
1. Record server configuration settings using the SCU.
2. Turn off the server.
3. Remove the front bezel (see Figure 5-25).
4. Remove the two screws securing the server to the rack and then slide it out.
5. Remove the screw securing the top cover to the server.
6. Remove the top cover.
FRU Replacement
5-59