System that
use cache often, but not always, allow you to upgrade the size of the cache
memory as well as main memory. It is important to understand that doing so will
increase the speed of your machine but not the total amount of memory available
to programs – cache memory is entirely separate from main memory and the fast
processor.
It is also
important that you use exactly the type of memory chips specified by the
manufacture – this is very critical to the reliable operation of your machine.
Notice also that cache memory is very fast SRMA, not DRAM as used in main
memory. In nearly all cases when you fit extra cache memory you have to change
the configuration of the machine by changing jumpers or switches on the main board.
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