2.1 Introduction
Award’s BIOS ROM has
a
built-in
setup program that
allows users to modify the
basic system configuration. This type of information is stored in battery backed-up
memory
(CMOS
RAM) so that
it retains
the setup information
when the power is
turned off.
2.1.1 CMOS RAM Auto-backup and Restore
The CMOS RAM is powered by
an onboard button cell
battery.
When you finish
BIOS
setup,
the
data in CMOS RAM will
be
automatically backed up to
Flash ROM.
If
operation in
harsh industrial environments causes a
soft error,
BIOS will recheck
the
data
in CMOS RAM and automatically
restore
the original
data in
Flash ROM to
CMOS RAM for booting.
Note:
If you intend to change the
CMOS setting with- out restoring
the previous backup,
you have to click on “DEL” within two
seconds of
the
“CMOS checksum error...”
display screen
message appearing.
Then
enter the “Setup”
screen to modify the data.
If
the
“CMOS checksum error...” message appears
again and
again,
please check
to see
if you need to replace
the battery in your
system.
2.2 Entering Setup
Turn on
the computer
and press
<Del> to enter the BIOS setup.
Figure 2.1: Award BIOS
Setup initial screen
2-2 Chapter 2: BIOS setup
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