Apparatus accessed at a physical I/O address for address and data translation and for context switching of I/O devices in response to commands from application programs
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United States of America Patent
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Jun 29, 1999
Issued Date -
N/A
app pub date -
Oct 8, 1997
filing date -
May 5, 1995
priority date (Note) -
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Abstract
A computer system including a central processing unit, a system input/output bus, an input/output device, and an input/output control unit accessed at a physical input/output address for translating addresses and data in commands from applications programs to physical input/output device addresses and for changing the context of an input/output device for which an address translation is furnished.
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