How to disable UDMA for HDD?

Stevan Tiefert stevan.tiefert at freenet.de
Wed Aug 11 12:29:06 PDT 2004


On Wednesday 11 August 2004 16:55, Mark wrote:
> Matt H wrote:
> > On Tue, 10 Aug 2004 09:08:29 +0200, Stevan Tiefert
> > <stevan.tiefert at 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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Hello Mark,

you did not understood what I wanted. I needed a suggestion how to install 
FreeBSD without UDMA-support. Your suggestion is only useful if the system is 
running, but that was not the case!

Thanks to Nathan!

Bye
Stevan Tiefert

-- 
deltree /y c:\windows
My suggestion to solve all your problems!



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