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Volume boot record

Index Volume boot record

A volume boot record (VBR) (also known as a volume boot sector, a partition boot record or a partition boot sector) is a type of boot sector introduced by the IBM Personal Computer. [1]

64 relations: BIOS parameter block, Boot sector, Booting, Bootstrapping, Central processing unit, Chain loading, Compaq, Computer program, CP/M-86, Data storage, Design of the FAT file system, Disk enclosure, Disk partitioning, Disk sector, DR-DOS, Endianness, Extended boot record, File Allocation Table, File system, Floppy disk, Floppy disk variants, FreeDOS, GUID Partition Table, Hard disk drive, Hewlett-Packard, High Performance File System, IBM BASIC, IBM PC DOS, IBM Personal Computer, IBM Personal Computer/AT, INT 13H, Intel, Intel 80186, Intel 80188, Intel 8086, Intel 8088, Legacy Plug and Play, Logical block addressing, Machine code, Master boot record, MS-DOS, Multi-booting, Multiuser DOS, NTFS, NTLDR, Operating system, Option ROM, OS/2, Partition alignment, Partition table, ..., Partition type, PC-MOS/386, Phoenix Technologies, Plug and play, PTS-DOS, Real mode, Remote Initial Program Load, Windows NT, Windows Server 2003, Windows Server 2008, Windows Vista, Windows Vista startup process, Windows XP, X86. Expand index (14 more) »

BIOS parameter block

In computing, the BIOS parameter block, often shortened to BPB, is a data structure in the volume boot record describing the physical layout of a data storage volume.

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Boot sector

A boot sector is a region of a hard disk, floppy disk, optical disc, or other data storage device that contains machine code to be loaded into random-access memory (RAM) by a computer system's built-in firmware.

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Booting

In computing, booting is starting up a computer or computer appliance until it can be used.

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Bootstrapping

In general, bootstrapping usually refers to a self-starting process that is supposed to proceed without external input.

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Central processing unit

A central processing unit (CPU) is the electronic circuitry within a computer that carries out the instructions of a computer program by performing the basic arithmetic, logical, control and input/output (I/O) operations specified by the instructions.

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Chain loading

Chain loading is a method used by computer programs to replace the currently executing program with a new program, using a common data area to pass information from the current program to the new program.

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Compaq

Compaq (a portmanteau of Compatibility And Quality; occasionally referred to as CQ prior to its final logo) was a company founded in 1982 that developed, sold, and supported computers and related products and services.

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Computer program

A computer program is a collection of instructions for performing a specific task that is designed to solve a specific class of problems.

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CP/M-86

CP/M-86 was a version of the CP/M operating system that Digital Research (DR) made for the Intel 8086 and Intel 8088.

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Data storage

Data storage is the recording (storing) of information (data) in a storage medium.

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Design of the FAT file system

A FAT file system is a specific type of computer file system architecture and a family of industry-standard file systems utilizing it.

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Disk enclosure

A disk enclosure is a specialized casing designed to hold and power disk drives while providing a mechanism to allow them to communicate to one or more separate computers.

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Disk partitioning

Disk partitioning or disk slicing is the creation of one or more regions on a hard disk or other secondary storage, so that an operating system can manage information in each region separately.

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Disk sector

In computer disk storage, a sector is a subdivision of a track on a magnetic disk or optical disc.

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DR-DOS

DR-DOS (DR DOS, without hyphen up to and including version 6.0) is an operating system of the DOS family, written for IBM PC-compatible personal computers.

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Endianness

Endianness refers to the sequential order in which bytes are arranged into larger numerical values when stored in memory or when transmitted over digital links.

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Extended boot record

An extended boot record (EBR), or extended partition boot record (EPBR), is a descriptor for a logical partition under the common DOS disk drive partitioning system.

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File Allocation Table

File Allocation Table (FAT) is a computer file system architecture and a family of industry-standard file systems utilizing it.

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File system

In computing, a file system or filesystem controls how data is stored and retrieved.

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Floppy disk

A floppy disk, also called a floppy, diskette, or just disk, is a type of disk storage composed of a disk of thin and flexible magnetic storage medium, sealed in a rectangular plastic enclosure lined with fabric that removes dust particles.

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Floppy disk variants

The floppy disk is a ubiquitous data storage and transfer device from the mid-1970s well into the 2000s.

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FreeDOS

FreeDOS (formerly Free-DOS and PD-DOS) is a free operating system for IBM PC compatible computers.

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GUID Partition Table

GUID Partition Table (GPT) is a standard for the layout of the partition table on a physical storage device used in a desktop or server PC, such as a hard disk drive or solid-state drive, using globally unique identifiers (GUID).

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Hard disk drive

A hard disk drive (HDD), hard disk, hard drive or fixed disk is an electromechanical data storage device that uses magnetic storage to store and retrieve digital information using one or more rigid rapidly rotating disks (platters) coated with magnetic material.

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Hewlett-Packard

The Hewlett-Packard Company (commonly referred to as HP) or shortened to Hewlett-Packard was an American multinational information technology company headquartered in Palo Alto, California.

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High Performance File System

HPFS ("High Performance File System") is a file system created specifically for the OS/2 operating system to improve upon the limitations of the FAT file system.

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IBM BASIC

The IBM Personal Computer Basic, commonly shortened to IBM BASIC, is a programming language first released by IBM with the IBM Personal Computer (model 5150) in 1981.

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IBM PC DOS

IBM PC DOS (an acronym for IBM personal computer disk operating system) is a discontinued operating system for the IBM Personal Computer, manufactured and sold by IBM from the early 1980s into the 2000s.

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IBM Personal Computer

The IBM Personal Computer, commonly known as the IBM PC, is the original version and progenitor of the IBM PC compatible hardware platform.

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IBM Personal Computer/AT

The IBM Personal Computer AT, more commonly known as the IBM AT and also sometimes called the PC AT or PC/AT, was IBM's second-generation PC, designed around the 6 MHz Intel 80286 microprocessor and released in 1984 as System Unit 5170.

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INT 13H

INT 13h is shorthand for BIOS interrupt call 13hex, the 20th interrupt vector in an x86-based computer system.

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Intel

Intel Corporation (stylized as intel) is an American multinational corporation and technology company headquartered in Santa Clara, California, in the Silicon Valley.

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Intel 80186

The Intel 80186, also known as the iAPX 186, or just 186, is a microprocessor and microcontroller introduced in 1982.

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Intel 80188

The Intel 80188 microprocessor was a variant of the Intel 80186.

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Intel 8086

The 8086 (also called iAPX 86) is a 16-bit microprocessor chip designed by Intel between early 1976 and mid-1978, when it was released.

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Intel 8088

The Intel 8088 ("eighty-eighty-eight", also called iAPX 88) microprocessor is a variant of the Intel 8086.

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Legacy Plug and Play

The term Legacy Plug and Play, also shortened to PnP, describes a series of specifications and Microsoft Windows features geared towards operating system configuration of devices.

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Logical block addressing

Logical block addressing (LBA) is a common scheme used for specifying the location of blocks of data stored on computer storage devices, generally secondary storage systems such as hard disk drives.

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Machine code

Machine code is a computer program written in machine language instructions that can be executed directly by a computer's central processing unit (CPU).

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Master boot record

A master boot record (MBR) is a special type of boot sector at the very beginning of partitioned computer mass storage devices like fixed disks or removable drives intended for use with IBM PC-compatible systems and beyond.

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MS-DOS

MS-DOS (acronym for Microsoft Disk Operating System) is an operating system for x86-based personal computers mostly developed by Microsoft.

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Multi-booting

Multi-booting is the act of installing multiple operating systems on a computer, and being able to choose which one to boot.

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Multiuser DOS

Multiuser DOS is a real-time multi-user multi-tasking operating system for IBM PC-compatible microcomputers.

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NTFS

NTFS (New Technology File System) is a proprietary file system developed by Microsoft.

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NTLDR

NTLDR (abbreviation of NT loader) is the boot loader for all releases of Windows NT operating system up to and including Windows XP and Windows Server 2003.

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Operating system

An operating system (OS) is system software that manages computer hardware and software resources and provides common services for computer programs.

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Option ROM

An Option ROM typically consists of firmware that is called by the BIOS.

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OS/2

OS/2 is a series of computer operating systems, initially created by Microsoft and IBM under the leadership of IBM software designer Ed Iacobucci.

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Partition alignment

Partition alignment is the proper alignment of partitions to the boundaries available in a data storage device.

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Partition table

A partition is a fixed-size subset of a disk drive which is treated as a unit by the operating system.

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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 and/or to flag special access methods used to access these partitions (f.e. special CHS mappings, LBA access, logical mapped geometries, special driver access, hidden partitions, secured or encrypted file systems, etc.).

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PC-MOS/386

PC-MOS/386 was a multi-user, computer multitasking operating system produced by The Software Link (TSL), announced at COMDEX in November 1986 for February 1987 release.

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Phoenix Technologies

Phoenix Technologies Ltd is an American company that designs, develops and supports core system software for personal computers and other computing devices.

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Plug and play

In computing, a plug and play (PnP) device or computer bus, is one with a specification that facilitates the discovery of a hardware component in a system without the need for physical device configuration or user intervention in resolving resource conflicts.

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PTS-DOS

PTS-DOS is a disk operating system, an MS-DOS clone, developed in Russia by PhysTechSoft.

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Real mode

Real mode, also called real address mode, is an operating mode of all x86-compatible CPUs.

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Remote Initial Program Load

Remote Initial Program Load (RIPL or RPL) is a protocol for starting a computer and loading its operating system from a server via a network.

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Windows NT

Windows NT is a family of operating systems produced by Microsoft, the first version of which was released in July 1993.

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Windows Server 2003

Windows Server 2003 is a server operating system produced by Microsoft and released on April 24, 2003.

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Windows Server 2008

Windows Server 2008 is the second major release of the Windows Server family of operating systems for server computers.

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Windows Vista

Windows Vista (codenamed Longhorn) is an operating system by Microsoft for use on personal computers, including home and business desktops, laptops, tablet PCs and media center PCs.

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Windows Vista startup process

The startup process of Windows Vista, Windows Server 2008 and their successors differs from the startup process part of previous versions of Windows.

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Windows XP

Windows XP (codenamed Whistler) is a personal computer operating system that was produced by Microsoft as part of the Windows NT family of operating systems.

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X86

x86 is a family of backward-compatible instruction set architectures based on the Intel 8086 CPU and its Intel 8088 variant.

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Redirects here:

Partition Boot Record, Partition Boot Sector, Partition boot record, Partition boot sector, VBR boot signature, VBR invocation, Volume Boot Record, Volume Boot Sector, Volume boot sector.

References

[1] https://en.wikipedia.org/wiki/Volume_boot_record

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