System using a plurality of state machines for translating commands intended for legacy bus devices to commands for local bus devices
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United States of America Patent
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Oct 21, 1997
Grant Date -
N/A
app pub date -
Apr 14, 1995
filing date -
Apr 14, 1995
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Apparatus for emulating input/output devices on an ISA bus using input/output devices on a local bus which includes circuitry for snooping on the bus to capture commands sent to input/output devices the functions of which are to be emulated, circuitry for storing those commands, circuitry for generating new commands in response to the commands which are stored, and circuitry for generating output signals in response to the new commands which output signals replace the output signals produced by the input/output devices on an ISA bus.
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