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Communication among partitioned devices

Patent 7386688 Issued on June 10, 2008. Estimated Expiration Date: Icon_subject July 29, 2024. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

Computer system and method for operating multiple operating systems in different partitions of the computer system and for allowing the different partitions to communicate with one another through shared memory Patent #: 6314501
Issued on: 11/06/2001
Inventor: Gulick, et al.

Inventors

Assignee

Application

No. 10902340 filed on 07/29/2004

US Classes:

711/153, Shared memory partitioning711/152Memory access blocking

Examiners

Primary: Bragdon, Reginald G.
Assistant: Dinh, Dung C.

International Class

G06F 12/00

Abstract

Information objects and system firmware for a processor in a partitionable computing system are disclosed. One object comprises information corresponding to components of the computer system. The information comprises entries defining an address and a size for registers normally accessible to other partitions. The registers are capable of defining an address area such that in use the processor is arranged to permit other partitions to access at least one address area defined by the at least one register and to deny other partitions access to address areas other than the at least one accessible address area.

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