Windows 7 Boot Process
POST
POST > BIOS
BIOS > MBR
MBR > BOOTMGR
WINLOAD.EXE > 2 CORE FILES
> NTOSKRL.EXE
> HAL.DLL
NTOSKRL.EXE > WINLOGON.EXE
Windows XP Boot Process
POST
POST > BIOS
BIOS > MBR
NTDETECT
NTLDR > BOOT.INI
NTLDR > 2 CORE FILES
> NTOSKRNL
> HAL.DLL
NTOSKML > WINLOGON.EXE