7521Plus / N N/B MAINTENANCE
1.2.9.2 BIOS Setup Feature Introduction
Setup Utility allows you to enter the system configuration information. This information is needed by the system to identify the type of device installed and to setup special features. Typical configuration information includes the data and time, the type of disk drives, and the amount of memory; special features include Security and Power Saving.
The configuration information is stored in a special kind of memory called CMOS ( Complementary Metal Oxide Semiconductor) RAM. CMOS RAM data are backed up by a RTC backup battery.
You may need to run Setup Utility when :
You see an error message on the screen requesting you to run Setup Utility.
You change factory default settings for some special features.
You want to modify the configuration information.
During POST, the end user can press <F2> to enter Setup and change the system parameters originally specified in the BIOS defaults. The purpose of Setup is the following:
Change system hardware
Change system behavior
Optimize system performance
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