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Memory arbitration system and method having an arbitration packet protocol

  • US 8,082,404 B2
  • Filed: 07/08/2008
  • Issued: 12/20/2011
  • Est. Priority Date: 03/24/2004
  • Status: Active Grant
First Claim
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1. A method for managing a flow of read data in a memory hub architecture having a plurality of memory hubs, each of the memory hubs coupled to a respective plurality of memory devices, the method comprising:

  • generating arbitration data responsive to a read request, the act of generating the arbitration data occurring at least in part during a time read data are being retrieved from a first one of the memory devices coupled to a first memory hub responsive to the read request;

    communicating the arbitration data to a second one of the memory hubs; and

    communicating the read data to the second one of the memory hubs after the arbitration data is communicated to the second one of the memory hubs.

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