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PCI Memory Write Invalidate command

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jaing

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memory write and invalidate

Hi
can somebody tell me the difference between PCI Memory Write command and Memory Write and Invalidate command.

Thanx in advance
 

pci memory write invalidate

The memory write and invalidate command lets the bus master know to write a minimum of one cashe line. This improves bandwith on the systems that support it.
 

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    jaing

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