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  2. GUID Partition Table - Wikipedia

    en.wikipedia.org/wiki/GUID_Partition_Table

    Like MBR, GPT uses logical block addressing (LBA) in place of the historical cylinder-head-sector (CHS) addressing. The protective MBR is stored at LBA 0, and the GPT header is in LBA 1, with a backup GPT header stored at the final LBA. The GPT header has a pointer to the partition table (Partition Entry Array), which is typically at LBA 2 ...

  3. Partition type - Wikipedia

    en.wikipedia.org/wiki/Partition_type

    The partition type (or partition ID) in a partition's entry in the partition table inside a master boot record (MBR) is a byte value intended to specify the file system the partition contains or to flag special access methods used to access these partitions (e.g. special CHS mappings, LBA access, logical mapped geometries, special driver access, hidden partitions, secured or encrypted file ...

  4. Microsoft basic data partition - Wikipedia

    en.wikipedia.org/wiki/Microsoft_basic_data_partition

    According to Microsoft, the basic data partition is the equivalent to master boot record (MBR) partition types 0x06 , 0x07 (NTFS or exFAT), and 0x0B . [2] In practice, it is equivalent to 0x01 ( FAT12 ), 0x04 ( FAT16 ), 0x0C (FAT32 with logical block addressing ), and 0x0E (FAT16 with logical block addressing) types as well.

  5. Disk partitioning - Wikipedia

    en.wikipedia.org/wiki/Disk_partitioning

    As of the mid-2010s, most new computers use the GUID Partition Table (GPT) partitioning scheme instead. For examples of other partitioning schemes, see the general article on partition tables . The total data storage space of a PC HDD on which MBR partitioning is implemented can contain at most four primary partitions , or alternatively three ...

  6. Master boot record - Wikipedia

    en.wikipedia.org/wiki/Master_boot_record

    A MBR program may interact with the user to determine which partition on which drive should boot, and may transfer control to the MBR of a different drive. Other MBR code contains a list of disk locations (often corresponding to the contents of files in a filesystem) of the remainder of the boot manager code to load and to execute. (The first ...

  7. BIOS boot partition - Wikipedia

    en.wikipedia.org/wiki/BIOS_Boot_partition

    On MBR disks, such boot loaders typically use the sectors immediately following the MBR for this storage; that space is usually known as the "MBR gap". No equivalent unused space exists on GPT disks, and the BIOS boot partition is a way to officially allocate such space for use by the boot loader.

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  9. Memory buffer register - Wikipedia

    en.wikipedia.org/wiki/Memory_buffer_register

    A memory buffer register (MBR) or memory data register (MDR) is the register in a computer's CPU that stores the data being transferred to and from the immediate access storage. It was first implemented in von Neumann model .