Dell Dimension 2100 System Reference Manual page 24

Main Screen
Advanced Screen
Overview
Each time you turn on or restart your computer, it compares the hardware
installed in the computer to the hardware listed in the configuration information
stored in nonvolatile random-access memory (NVRAM) on the system board.
If the computer detects a discrepancy between the two, it generates error
messages that identify the incorrect configuration settings. The computer then
prompts you to enter the system setup program to correct the setting.
You can use the system setup program as follows:
To change the system configuration information after you add, change,
•
or remove any hardware in your computer
To set or change user-selectable options — for example, the user
•
password
Dell recommends that you print the system setup program screens (by
pressing <Print Screen>) or write down the information for future reference.
The system setup screens are organized as follows:
At the top is a menu bar for accessing the main program screens.
•
The box on the left side of each screen lists options that define the
•
installed hardware in the computer. Fields next to the options contain
settings or values. You can change those that are enclosed in brackets.
Values that are grayed out contain status information reported by the
computer.
The box on the right side of each screen displays help information for
•
the option with a currently highlighted field.
The bottom right area lists keys and their functions for the currently
•
displayed screen.
The menu bar provides access to the following screens:
Exit Screen
Clearing NVRAM