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SubjectRE: How to turn off ide dma ...
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I misunderstood it. In that case, hdx=noautotune (x=[a..d]) would work.
It disables autotuning the drive, so the ide_dma_check method of DMA
procedure is not called. Eventually Linux doesn't check whether the
drive is DMA capable or not, and use PIO mode for the drive.

Regards,
Ho

-----Original Message-----
From: Stephan von Krawczynski [mailto:skraw@ithnet.com]
Sent: Friday, June 06, 2003 10:21 AM
To: Ho Lee
Cc: linux-kernel@vger.kernel.org
Subject: Re: How to turn off ide dma ...


On Fri, 6 Jun 2003 10:22:52 -0700
Ho Lee <Ho_Lee@sdesigns.com> wrote:

>
> ide=nodma option would help you. It disables DMA on every
> IDE interfaces.

Thanks, I know that. My problem is disabling DMA on _certain_ ide devices,
while others remain with DMA enabled. How do you do that?

Regards,
Stephan
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