Re: IDE-SCSI/HPT366 Problem

From: Kurt Garloff (garloff@suse.de)
Date: Thu Nov 30 2000 - 07:12:37 EST


Hi Andre,

On Wed, Nov 29, 2000 at 10:25:45PM -0800, Andre Hedrick wrote:
> If you want to run it under PIO mode and not do DMAing then it will work.
> Also it goes for any device that does ATAPI DMA and not ATA DMA.
> There is a difference!

Could you work out this a little bit to make ot more clear?
What's the difference between ATAPI DMA and ATA DMA?
Is this a controller(chipset) or a device thing?
What controllers or devices are affected?
Is this only a problem for mixing such things on the same bus? The same
controller?

It boils down to one question:
What do the users have to avoid?

Regards,

-- 
Kurt Garloff  <garloff@suse.de>                          Eindhoven, NL
GPG key: See mail header, key servers         Linux kernel development
SuSE GmbH, Nuernberg, FRG                               SCSI, Security


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