bioscmos, post, boot
TRANSCRIPT
Ambika Institute ofComputer Technology
BIOS, CMOS, POST
Prepared by Prem Sahu
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.
Ambika Institute ofComputer Technology
BIOSTo see the IDE or SATA hard disk, Processor, RAM and Cache memory
Ambika Institute ofComputer Technology
Choose first boot device
Ambika Institute ofComputer Technology
Advance UEFI BIOSIt is advanced version of BIOS where we can work with
both mouse and keyboard.
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
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.
Ambika Institute ofComputer Technology
Real Mode and Protected ModeReal mode means command line interface,
When system start
Protected Mode means graphics user interface