Method for providing protected mode services for device drivers and other resident software
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United States of America Patent
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Oct 17, 1995
Grant Date -
N/A
app pub date -
Feb 17, 1994
filing date -
Feb 17, 1994
priority date (Note) -
In Force
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Abstract
A method and system for allowing protected mode device drivers and resident programs to load and execute from an MS/PC-DOS environment. A further method enabling such protected mode programs in an Intel x86 environment to transition between host environments is provided. In a preferred embodiment, a method for allowing for protected mode programs running in a DOS environment which can then transition and continue to function in a Windows environment. An improved method of mode switching for such drivers is also provided.
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