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Master boot record

A master boot record (MBR) is a type of boot sector in the first block of partitioned computer mass storage devices like fixed disks or removable drives intended for use with IBM PC-compatible systems and beyond. The concept of MBRs was publicly introduced in 1983 with PC DOS 2.0.

Art, Disk partitioning & Programming considerations

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Overview

Disk partitioning

System bootstrapping

Disk identity

Programming considerations

Editing and replacing contents

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Map overview Semantic statistics

Master boot record

Nodes142
Edges141
Triples81
Avg. degree1.99
Density0.014085
Components1

How this topic connects Entity context

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Master boot record

Top relations

related to overview · 30
Master boot record → CHS, David Litton, Disk, DOS, FAT12, FAT16, FAT16B, FAT32, GB, However, IBM, IBM PC-DOS, IBM PC DOS, IBM Personal Computer XT, In, June, LBA, March, MB, MBR
related to Further reading · 21
Master boot record → Archived, Boot Records Revealed, Daniel, Gilbert, Hale, How It Works, Howard, Knights, Landis, Master Boot Records, MBR, MBRs, Partitions, PC Lube, Ray, Ray's Place, Retrieved, Sedory, Tune, Volumes
related to System bootstrapping · 14
Master boot record → BIOS, Control, In, Intel, It, MBR, On IBM PC-compatible, ROM BIOS, Since, The BIOS, The PC/XT, This, VBR, Volume Boot Record
related to Disk identity · 6
Master boot record → In, Linux, NT, The, This, Windows NT
related to External links · 3
Master boot record → Article, BIOS, MBR

Important terminology Word statistics

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Important terminology

mbr partition boot disk sector code table bios used sectors operating bytes system windows first may record systems partitioning use

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
floppiesinstance ofA GPT can coexist with an MBR in order to provide some limited form of backward compatibility for older systems.MBRs are not present on non-partitioned media0.80text
superfloppies or other storage devices configured to behave as suchinstance ofA GPT can coexist with an MBR in order to provide some limited form of backward compatibility for older systems.MBRs are not present on non-partitioned media0.80text
nor are they necessarily present on drives used in non-PC platformsinstance ofA GPT can coexist with an MBR in order to provide some limited form of backward compatibility for older systems.MBRs are not present on non-partitioned media0.80text
solid-state drivesinstance ofas well as being irrelevant in other devices0.80text
which do not physically have cylinders or heads.In the CHS schemeinstance ofas well as being irrelevant in other devices0.80text
sector indices haveinstance ofas well as being irrelevant in other devices0.80text
Open Firmware or Extensible Firmware Interfaceinstance ofor on x86 machines with non-BIOS firmware0.80text
Master boot recordrelated to Disk identityIn0.60section
Master boot recordrelated to Disk identityThis0.60section
Master boot recordrelated to Disk identityThe0.60section
Master boot recordrelated to Disk identityWindows NT0.60section
Master boot recordrelated to Disk identityLinux0.60section

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    Min side: 3
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