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Intel 80386




<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 "protected mode".

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.

See also Intel 80386SX, BSD386.



< Previous Terms Terms Containing Intel 80386 Next Terms >
Intel 487SX
Intel 8008
Intel 80186
Intel 80188
Intel 80286
32-bit application
386
386SX
80386
Advanced Micro Devices, Inc.
Intel 80386DX
Intel 80386SX
Intel 8048
Intel 80486
Intel 8051


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