The Power On Self Test
When the system is powered on, the BIOS will perform diagnostics and initialize
system components, including the video system. (This is self-evident when the
screen first flicks before the Video Card header is displayed). This is commonly
referred as POST (Power-On Self Test).
Afterwards, the computer will proceed its final boot-up stage by calling the
operating system. Just before that, the user may interrupt to have access to
SETUP.
To allow the user to alter the CMOS settings, the BIOS provides a little program,
SETUP. Usually, setup can be entered by pressing a specia ....
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