Fujitsu D3320 PRIMERGY BX2560 M2 Reference Manual page 14

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If the system time and date are lost after you switch the system off
and back on again, the lithium battery is empty and needs to be
replaced.
Refer to the "FUJITSU Server PRIMERGY BX2560 M2 Server
Blade Upgrade and Maintenance Manual" for information on how
to replace the lithium battery.
Access Level
Displays the current Access Level in BIOS setup utility.
Administrator
In case Administrator password was entered or the system is not
password protected the Access Level is Administrator.
User
If the User Password was set and User password was entered the
user will have User level.
If Administrator and User password are assigned the Access Level
depends on the password used for entering BIOS setup utility.
14 D3320 - BIOS Setup Utility
BX2560 M2