MBR is an abbreviation for master boot record, which controls how partitions are formed and managed on a hard drive or SSD. MBR uses bios firmware and stores code in the first sector of the disk, with a logical block address (LBA) of 1. To govern the boot process, the data comprises information on how and where windows are saved in the PC's primary storage and internal random access memory (RAM). Let us understand the Features of MBR.
Features of MBR
- An MBR disc can support a maximum of 4 primary partitions, each requiring 16 bytes of space, for a total of 64 bytes for all partitions.
- Only information about the primary and extended partition is contained in the MBR's partition table. Additionally, it is critical to realize that since data cannot be saved directly on the extended partition, logical partitions must be created.
- Primary partitions, extended partitions, and logical partitions are the three types of MBR partitions that can exist. It can only have four primary partitions, as was already mentioned. Extended and logical partitions are able to get around this restriction.
- The most recent master boot records might also include extras like disc signatures, time stamps, and information about disc formatting.
- It works with both the 32-bit and 64-bit versions of windows, as well as the most recent build of windows 10.
- The most recent versions of MBR can support up to sixteen partitions, in contrast to older versions that could only support four partitions. The maximum amount of usable disc pace on discs formatted with MBR is 2 TB because all MBRs have a maximum size of 512 bytes.
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