Computer system and I/O bridge

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8095701
APP PUB NO 20070067432A1
SERIAL NO

11490141

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A computer system reduces an overhead by using an I/O switch high in versatility when realizing the sharing of an I/O between virtual computers. The system includes a CPU module #0 having plural CPU cores, an AS bridge 15 connected to the CPU cores, and a main memory that can be accessed from the CPU cores or the AS bridge 15, and AS switches SW0 and SW1 that connect the AS bridge 15 of the CPU module #0 and an I/O blade #5. The CPU module #0 has a hypervisor that divides the plural CPU cores and the main memory into plural logical partitions, and the AS bridge 15 adds virtual path information set in each of the logical partitions and path information of from the AS bridge 15 to the I/O blade #5 to the path information of the AS packet to switch over the AS packet between each of the logical partitions and the I/O blade #5 when relaying the AS packet transmitted or received between the logical partitions and the I/O blade #5.

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Patent Owner(s)

Patent OwnerAddress
HITACHI LTDTOKYO JAPAN TOKYO METROPOLIS

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Tarui, Toshiaki Sagamihara, JP 43 1917
Yasuda, Yoshiko Tokorozawa, JP 53 1811

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