Digital Equipment STARION 20 Series, Service Maintenance Manual

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Digital STARION 9xx & 20xx PC Service Procedures
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Replacing the Real-Time Clock (RTC)/ Lithium Battery
The Starion Minitower PC computer Comes either with a Lithium 3V wafer-style battery or a Dallas RTC.
If the computer ever fails to retain the correct date, time, or configuration settings when it is turned on,
replacement of the installed device is necessary.
To replace the RTC, perform the following:
1) Record computer configuration settings using the BIOS Setup utility.
2) Turn off the computer, disconnect external devices, ac power and monitor power.
3) Unlock and remove cover.
4) Carefully extract old RTC from socket.
5) Install new RTC.
CAUTION
Make sure pin 1 on RTC is correctly aligned with location on socket (A). Incorrect
installation can cause faulty computer operation.
6) Replace the cover.
7) Connect external devices and restore power.
8) Run BIOS Setup utility to reconfigure computer using recorded configuration settings from step 1.
9) Refer to BIOS Setup Utility.