Description: E820 Address Map describe (using C and Assembly mixed) OS system must know the number of physical memory in order to effectively use and manage the physical memory. So booting stage, we must by some means to detect and obtain the total amount of physical memory. Therefore, we use BIOS interrupt access to the amount of memory, commonly used is the INT 15h, AX = E820h- Query System Address Map interruption method
- [HDDIO] - direct access to hardware ports and phys
File list (Check if you may need any files):
e820
....\E820.c
....\e820.exe
....\E820_ASM.asm
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