Hot plugging of an adapter card
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 21, 1997
Grant Date -
N/A
app pub date -
Jun 7, 1995
filing date -
Jun 7, 1995
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A circuit senses an insertion of an adapter card into a connector coupled to a processor by an MCA bus and signals control logic, which forces all other adapter cards coupled to the MCA bus off of the bus with a preempt signal, driving the bus into an arbitration mode. This may be done while the system is powered. An analog switch divides the preempt signal into one that goes to the adapter cards and a second one that is sent to the processor so that it can perform memory refresh cycles.
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