![]() ![]() Master partition table: Abbreviated as MPT, the table stores all partition information found on each HDD, including their format type, capacity, and other necessary details.The MBR data stored in LBA 1 of the HDD includes the following: ![]() The data includes information related to how and where Windows resides to manage the boot process in the PC’s primary storage and internal random access memory (RAM), not external memory such as DDR2 and DDR3 memory cards/sticks. MBR uses Bios firmware and stores code in the disk’s first sector with a logical block address (LBA) of 1. MBR manages how partitions are created and organized on the hard disk drive (HDD). Another reason to use partitions is to install multiple operating systems on the same HDD (Linux, Windows10, Windows 7, etc.) What is MBR? Windows displays them as drives in File Explorer, even though they are on the same hard disk drive (HDD).įor instance, many laptops have a “system” partition where everything in the Windows Operating System (OS) goes (often the C: drive), plus a hidden “recovery” partition that can get used to restore the system in case of an accident. Partitions are separate sections on a hard drive that the operating system uses to boot and function. To understand both MBR and GPT, you should understand what a partition is. This article explains what they are, what they require, and how they differ. ![]()
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