- Proprietary hardware
Proprietary hardware is hardware on which a vendor purposely places compatibility restrictions, in order to maintain a
For example, a vendor installs a proprietary
Accelerated Graphics Port(AGP) on its motherboards, which is compatible only with same vendor's graphics card.
Historically, most early computer hardware was designed as proprietary until the 1980s, when
IBM PCchanged this paradigm. Earlier, in 1970s, many vendors tried to challenge IBM's monopoly in the mainframe computermarket by reverse engineeringand producing hardware components electrically compatible with expensive equipment and (usually) able to run the same software. Those vendors were nicknamed " plug compatiblemanufacturers" (PCMs).
The most notable present day proprietary computing company is Apple with their line of Macs.
Micro Channel architecture, a commonly cited historical example of proprietary hardware
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