bioscmos, post, boot
TRANSCRIPT
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Ambika Institute ofComputer Technology
BIOS, CMOS, POST
Prepared by Prem Sahu
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Ambika Institute ofComputer Technology
BIOS It is a small program which keep the initial hardware configuration
and setting of computer.
To login to BIOS we have press- F2, Del, F10, Enter.To save and exit, Press F10.
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Ambika Institute ofComputer Technology
BIOSTo see the IDE or SATA hard disk, Processor, RAM and Cache memory
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Ambika Institute ofComputer Technology
Choose first boot device
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Ambika Institute ofComputer Technology
Advance UEFI BIOSIt is advanced version of BIOS where we can work with
both mouse and keyboard.
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Ambika Institute ofComputer Technology
CMOSComplementary Metal Oxide Semiconductor
It is hardware inbuilt in motherboard to keep the BIOS setting.
It keep running the system time after system shutdown
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Ambika Institute ofComputer Technology
POSTPower On Self TestIt is process where the system test the Processor,
RAM, and hard disk for any fault tolerance or error each time system start.
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Ambika Institute ofComputer Technology
Real Mode and Protected ModeReal mode means command line interface,
When system start
Protected Mode means graphics user interface