Definition of System and Boot Partition

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For a Microsoft Windows XP version of this article, see 314470.
The names commonly used for the partitions containing Windows startup and operating system filesare for the system and boot partitions, respectively.

System Partition

The system partition refers to the disk volume containing hardwarespecific files needed to boot Windows (NTLDR, BOOT.INI, and so on).On Intel x86-based machines, it must be a primary partition that hasbeen marked active. On x86 machines, this is always drive 0, the drivethe system BIOS searches during system boot for the operating system.

Boot Partition

The boot partition contains the Windows operating system files(usually \WINNT) and it support files (usually \WINNT\SYSTEM32). Itcan be the same partition as the system partition.

Article ID: 100525 - Last Review: 12/04/2015 09:30:58 - Revision: 2.2

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