Dell Dimension 2100 System Reference Manual page 26

Table 1. Main Screen Menu Options
Option
BIOS Version
Processor Type
Processor Speed Displays the internal speed of the microprocessor.
Cache RAM
Service Tag
Total Memory
Memory Bank 0
Memory Bank 1
Processor Serial
Number
System Time
System Date
Function
Displays the version of the BIOS being used.
Displays the type of microprocessor installed.
Displays the cache random access memory.
Displays the service tag for the computer.
Displays the total computer memory.
Displays the memory installed in memory bank 0.
Displays the memory installed in memory bank 1.
NOTE: This option is available only on computers that have an
Intel Pentium III microprocessor.
Displays the serial number of the processor when set
to Enabled. Disabled(default) turns off this feature.
Resets the time on the computer's internal clock.
Resets the date on the computer's internal calendar.