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Computer system and I/O bridge

  • US 20070067432A1
  • Filed: 07/21/2006
  • Published: 03/22/2007
  • Est. Priority Date: 09/21/2005
  • Status: Active Grant
First Claim
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1. A computer system, comprising:

  • a CPU module including a plurality of CPU cores, an I/O bridge that is connected to the CPU cores, and a main memory that can be accessed from the CPU cores and the I/O bridge; and

    an I/O switch that connects the I/O bridge of the CPU module to an I/O module, wherein the CPU module includes a firmware that divides the plurality of CPU cores and the main memory into a plurality of logical partitions, and wherein the I/O bridge includes a virtual switch that sets virtual path information that is determined according to each of the logical partitions and path information from the I/O bridge to the I/O module to path information of the I/O access information, and switches over the I/O access information with respect to the I/O module in each of the logical partitions when relaying the I/O access information that is transmitted or received between the logical partitions and the I/O module.

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