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To: "Matt H" <matt.haley@gmail.com>,
	"Stevan Tiefert" <stevan.tiefert@freenet.de>
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cc: freebsd-questions@freebsd.org
Subject: Re: How to disable UDMA for HDD?
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Matt H wrote:

> On Tue, 10 Aug 2004 09:08:29 +0200, Stevan Tiefert
> <stevan.tiefert@freenet.de> wrote:
> <SNIP>
>> set hw.ata.ata_dma="0"
>>
>> Now it is possible to install FreeBSD!
>>
>> Thanks very much!
>>
>>
>> Mr.
>> Stevan Tiefert
>
> Is there a way to disable DMA for a single hard drive, instead of all
> IDE devices?

How about this: "/sbin/atacontrol mode 0 PIO4 XXX"? (if you want UDMA
disabled on the master at channel 0).

- Mark