Patent
1993-09-30
1996-08-06
Harvey, Jack B.
H01J 1300
Patent
active
055443311
ABSTRACT:
A computer based system and method for implementing a read-modify-write operation in a computer based system comprising a first bus and a second bus, wherein the second bus is not transaction based. The method includes the steps of determining whether a first device connected to the first bus has issued on the first bus a read transaction comprising a predetermined trigger address, acquiring the second bus in accordance with the determination, reading data via the second bus from a second device connected to the second bus after the second bus has been acquired, modifying in a predetermined manner the data read from the second device, writing the modified data to the second device via the second bus, and releasing the second bus after the modified data has been written to the second device via the second bus.
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Chung-Trans Xuong My
Harvey Jack B.
Silicon Graphics Inc.
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