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Date:      Wed, 11 Aug 2004 14:55:28 GMT
From:      Mark <admin@asarian-host.net>
To:        "Matt H" <matt.haley@gmail.com>, "Stevan Tiefert" <stevan.tiefert@freenet.de>
Cc:        freebsd-questions@freebsd.org
Subject:   Re: How to disable UDMA for HDD?
Message-ID:  <200408111455.I7BETRGS027141@asarian-host.net>
References:  <200408091110.40243.stevan.tiefert@freenet.de><200408100908.29763.stevan.tiefert@freenet.de> <8c98f4de040811074648ca74fe@mail.gmail.com>

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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



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