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Motorola 68851

The Motorola 68851 is an external Memory Management Unit (MMU) which is designed to provide paged memory support for the 68020 using that processor's coprocessor interface. In theory it can be used with other processors such as the 68010 by simulating the coprocessor interface in software.

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Motorola 68851

Nodes14
Edges13
Triples7
Avg. degree1.86
Density0.142857
Components1

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Motorola 68851

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Motorola 68851 → external Memory Management Unit

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Important terminology

68851 mmu coprocessor interface used processors memory provide support later system cards use amiga motorola 68020 68010 68030 68040 68060

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Motorola 68851is aexternal Memory Management Unit0.90text
the 68030instance ofIn theory it can be used with other processors such as the 68010 by simulating the coprocessor interface in software.Later 68K family processors0.80text
68040instance ofIn theory it can be used with other processors such as the 68010 by simulating the coprocessor interface in software.Later 68K family processors0.80text
and 68060 have an internal MMUinstance ofIn theory it can be used with other processors such as the 68010 by simulating the coprocessor interface in software.Later 68K family processors0.80text
and will not operate with the 68851instance ofIn theory it can be used with other processors such as the 68010 by simulating the coprocessor interface in software.Later 68K family processors0.80text
except possibly by simulation of the coprocessor interface.The 68851 was available as an option for the Apple Macintosh IIinstance ofIn theory it can be used with other processors such as the 68010 by simulating the coprocessor interface in software.Later 68K family processors0.80text
and was necessary to run Apple's A/UX operating systeminstance ofIn theory it can be used with other processors such as the 68010 by simulating the coprocessor interface in software.Later 68K family processors0.80text

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