Re: How to invoke burst-read on PCI mapped memory area

philb@gnu.org
Mon, 12 Oct 1998 17:30:26 +0200


> * To invoke burst-read on PCI, I have to use DMA (or busmaster capable
> PCI device) rather than accessed by CPU.
>Is this right ?

In general yes. I don't know if the BX chipset is capable of performing
read-multiple accesses but I'm pretty sure the earlier Intel chipsets couldn't
do it. Some don't even support multiple-word transfers as targets if I
remember right.

p.

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