Abstract: A computer system has a cache located between input/output devices and a main system memory. All system memory accesses by the input/output devices are made through the cache. Memory accesses through the cache are limited to those addresses which are accessible to a central processor and input/output devices. All access to such addresses by the central processor are made through the cache.
Type:
Grant
Filed:
May 31, 1991
Date of Patent:
November 3, 1992
Assignee:
International Business Machines Corporation
Inventors:
James O. Nicholson, John C. O'Quin, III, John T. O'Quin, II, Frederick E. Strietelmeier
© 2024 Justia
