preboot sequence

Saturday, June 13, 2009
During startup, a Windows Server 2003-based computer initializes the boot portion of the hard disk and the
preboot sequence begins. This sequence consists of four steps

  • the computer runs power-on self test (POST) process to determine the amount of physical memory
  • The hardware components are present
  • If the computer has a Plug and Play (BIOS), enumeration and configuration of hardware devices occurs
  • The computer BIOS locates the boot device and loads and runs the master boot record (MBR)

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