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Memory based I/O decode arrangement, and system and method using the same

  • US 6,336,158 B1
  • Filed: 10/30/1998
  • Issued: 01/01/2002
  • Est. Priority Date: 10/30/1998
  • Status: Expired due to Term
First Claim
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1. An input/output (I/O) decode arrangement comprising:

  • an I/O decode map in a form of a memory block and containing, before start of any bus I/O transactions, I/O address decode information for positive claiming of bus transaction ownership, for at least a portion of possible I/O addresses in a system, with said I/O decode map sub-divided in its entirety into a plurality of sub-byte portions, and with each sub-byte portion of said I/O decode map containing positive claiming information for a different one of said at least a portion of said possible I/O addresses in the system.

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