Supero X7DCT-3, User Manual

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Chapter 4: BIOS
4-1
Chapter 4
BIOS
4-1 Introduction
This chapter describes the Phoenix BIOS™ Setup utility for the X7DCT-L/X7DCT-3/
X7DCT-IBX/X7DCT-3IBX. The Phoenix ROM BIOS is stored in a fl ash chip and can
be easily upgraded using a fl oppy disk-based program.
Note: Due to periodic changes to the BIOS, some settings may have been
added or deleted and might not yet be recorded in this manual. Please
refer to the Manual Download area of the Supermicro web site <http://www.
supermicro.com> for any changes to the BIOS that may not be refl ected
in this manual.
System BIOS
BIOS is the Basic Input Output System used in all IBM
®
PC, XT™, AT
®
, and PS/2
®
compatible computers. Phoenix BIOS stores the system parameters, types of disk
drives, video displays, etc. in the CMOS. The CMOS memory requires very little
electrical power. When the computer is turned off, a backup battery provides power
to the CMOS Logic, enabling it to retain system parameters. When the computer is
powered on, the computer is confi gured with the values stored in the CMOS Logic
by the system BIOS, which gains control at boot up.
How To Change the Confi guration Data
The CMOS information that determines the system parameters may be changed
by entering the BIOS Setup utility. This Setup utility can be accessed by pressing
the <Delete> key at the appropriate time during system boot. From the main menu,
you can access the other setup screens, such as the Security and Power menus.
Beginning with Section 4-3, detailed descriptions are given for each parameter
setting in the Setup utility.
Warning: Do not shut down or reset the system while updating BIOS to
prevent possible boot failure.