• Memory caches are sometimes built into processors and sometimes are in a separate location on the motherboard. It depends on the architecture of the processor. Intel x86 processors, commonly found in PCs, do normally have a memory cache on the processor.


    Webopedia: Cache

  • There were separate caches found on motherboards in the 386, 486 and first Pentium series. The Pentium Pro added primary and secondary caches on the processor die and motherboard cache was dropped.

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