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Extended Memory Definition
DocumentID: 656264
Revision Date: 29-Feb-96 8:29:41 PM

The information in this document applies to:
WordPerfect® 5.1 for DOS

Problem

Solutions: Extended Memory: With microcomputers operating under DOS, the amount of memory that can be utilized for working programs and data, without the use of extended or expanded memory, is 640 kilobytes. This 640K of random access memory (RAM) is referred to as conventional memory.

Extended memory is available only with the 80286 or the 80386 CPUs, and refers to memory above one megabyte. It is directly addressable by the 80286 and 80386 microprocessors in protected mode.

Under DOS, RAM disks or virtual disks can be created in extended memory. Extended memory is best utilized, however, by operating systems running in protected mode, such as UNIX or OS/2.

Answer:

Details:


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