Mayank Desai
's MCSE Notes

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1.7.1.1 Preboot Sequence 
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; and 
• 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). 
 
Note: Windows Server 2003 modifies the boot sector during installation so 
that Ntldr loads during system startup. Therefore you should disable the 
Boot Sector Virus Protection in your BIOS Setup. 
 

 

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