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3-34 Sun Fire V20z and Sun Fire V40z Servers—User Guide • March 2005
3.5.12 System Battery
The system battery is a common CR2032 calculator battery.
You might need to replace the system battery if you know it is weak or if after any
period of AC power loss, the BIOS loses its CMOS settings or if the time-of-day clock
loses time.
Note – The server BIOS will be reset to factory settings when you replace the
battery.
Caution – Do not attempt to open or service batteries. The battery contains lithium
and can explode if not properly used, handled or disposed of.
3.5.12.1 Removing the System Battery
1. Power off the system and remove the cover as described in “Powering Off the
Server and Removing the Cover” on page 3-2.
2. Remove the system battery by sliding it back and prying it from the holder (see
FIGURE 3-27 for the location).
FIGURE 3-27 Removing the System Battery
Caution – Do not dispose of the battery with regular waste. Discard used batteries
according to the manufacturer’s instructions or contact your local waste-disposal
agency for the location of the nearest battery deposit site.