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processor (Commonly abbreviated to "386", trademark
"Intel386") The successor to the Intel 80286
microprocessor. It was the first Intel processor with
32-bit data and address busses. It can address four
gigabytes (2^32 bytes) of memory; however, 16 megabytes is a
typical maximum in IBM PCs. The 386 allows multiple
application programs to run at the same time (when running
under 386-specific operating systems) using "protectedmode".
The first IBM compatible to use the 386 was the Compaq
386, before IBM used it in high-end models of their PS/2
series. It is also used in HP's RS series and many
others.
It does not require special EMS memory boards to expand
MS-DOS memory limits. With the 386, the EMS standard can be
simulated in normal extended memory, and many DOS add-ons
provide this "Expanded Memory Manager" feature.
(1995-02-21)