Acer Extensa 2900D - Manual (Page 72)

Software 62
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BIOS Setup Utility
The Basic Input/Output System (BIOS) contains important information
used to configure the hardware and system software settings. Your
computer reads the BIOS when it first starts up, before it loads the
operating system.
Your computer's BIOS includes a built-in setup utility called Phoenix
Software System Configuration Utility (SCU). It can be started shortly
after you turn the computer on, by pressing the F2 key during
Power-On Self Test (POST).
The BIOS Setup Utility displays summary information on your
computer, its devices, processor and memory.
Your computer is already configured for optimal performance, and so
you should not need to run this utility. However, you may need to
change the BIOS settings if you encounter configuration problems in
the future. Refer to “Frequently asked questions” on page 65 if a
problem arises.