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Essay Archive - The Power On Self Test
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. Usu....
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