Re: [pci] How to start PCI BURST Transaction ?

[Mike Dini <mdini@dinigroup.com>]

At 01:34 AM 5/24/02 +0200, you wrote:
> Hi All
>
> I am developping a PCI-CARD. I need to read lots of data from it with
> burst. 

This is almost impossible on a WinTel-type machine.

> 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 ? 

Add master-moding to your PCI controller and burst write the data to the
destination rather than attempt to read the data.


> What should I write to
> which PCI bridge PORT on motherboard, to enable 
> Burst transaction ?

This will probably not help.