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Methods and arrangements to interface memory

  • US 7,139,890 B2
  • Filed: 04/30/2002
  • Issued: 11/21/2006
  • Est. Priority Date: 04/30/2002
  • Status: Expired due to Fees
First Claim
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1. A method, comprising:

  • receiving by a hub a transaction from a port;

    comparing an address associated with the transaction to a memory location associated with the port; and

    determining by the hub whether the port has access to the address without requesting verification by a processor based upon said comparing of said memory location by determining whether the transaction is associated with a protected memory location, and if so, determining that the transaction is permitted in accordance with a definition of protected memory being an association of memory locations with addresses in memory.

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