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[pci] How to start PCI BURST Transaction ?



Hi All

I am developping a PCI-CARD. I need to read lots of data from it with 
burst. 
The problem is, when I execute instruction on my PC:

mov cx,8
rep movsd

- pci bridge reads not in burst mode, but word by word: reads one word, 
waits 450 ns, and reads next word and so on. This is definitely to slow !

How can I make it faster ? 
What should I write to which PCI bridge PORT on motherboard, to enable 
Burst transaction ?

With regards,
Gustaw
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