Dell PowerEdge 4300 Installation And Troubleshooting Manual page 140

8-16 Dell PowerEdge 4300 Systems Installation and Troubleshooting Guide
guide bracket
assembly
The system battery maintains system configuration, date, and time information in a
special section of memory when the system is turned off. The operating life of the
battery ranges from 2 to 5 years, depending on how the system is used (for example,
if the system is on most of the time, the battery gets little use and thus lasts longer).
The battery may need replacing if an incorrect time or date is displayed during the
boot routine along with the following or similar message:
or
or
retention pins (2)
SEC cartridge
SEC cartridge
release latches (2)
heat sink