3.3.1f Boot Procedures

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  • Created by: Shakzey
  • Created on: 11-03-15 19:55



Here is what happens as soon as you switch on the power for your PC:


Ø  Power turned on

Ø  Read only memory only accessible at this moment

Ø  POST (power on self test) is run to check that all hardware components are functioning

Ø  CPU registers are cleared and reset to F000 (just incase there is anything left from the last use)

Ø  F000 the address of the first boot program instruction is loaded into the program counter

Ø  Control is now passed to the boot program which carries out further checks on the hardware

Ø  Checks for BIOS on the hard disk or on a storage device called the CMOS RAM




fab, really useful :)

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