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SubjectRe: IDE DMA doesn't work with pata via and compact flas h card

On Thu, 11 Oct 2007 11:19:11 +0100, Alan Cox <>
>> ones, when using DMA. Turning off DMA for the old IDE drivers or
>> patching ata_generic to handle my IDE controller and then deactivating
>> DMA in the BIOS works, but then disk I/O is unbelievable slow.. do you
>> have any idea how to fix it, so that DMA works?
> Does your CF/IDE adapter support DMA ?

Oh well, you're right.. there are still some CF/IDE adapters which do not
support DMA. I'll guess this is the problem then, so I'll return it to the

Best regards,

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