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专利名称：Method and apparatus for dynamic PCI
combining for PCI bridges
发明人：Patrick Allen Buckland,Daniel Frank
Moertl,Adalberto Guillermo Yanes
申请号：US09538212申请日：20000330公开号：US065447B1公开日：20030408
专利附图：
摘要：A method and apparatus are provided for implementing peripheral componentinterconnect (PCI) combining function for PCI bridges. A programmable boundary for a
combined operation is selected. A write request is received. Responsive to the writerequest, checking for a combined operation hit is performed. Responsive to an identifiedcombined operation hit, a combined operation is accepted. Checking for the selectedprogrammable boundary for the combined operation is performed. Responsive toidentifying the programmable boundary for the combined operation, the combinedoperation is launched to a destination bus. A programmable timer is identified for thecombined operation. Responsive to the programmable timer expiring, the combinedoperation is launched to a destination bus. The programmable boundary for a combinedoperation is selected responsive to reading an adapter type and one of combining with a128-byte boundary, combining with a 256-byte boundary, combining with a 512-byteboundary, or a posted memory write (PMW) is selected.
申请人：INTERNATIONAL BUSINESS MACHINES CORPORATION
代理人：Joan Pennington
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