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	<417D25E8.6080804@ng.fadesa.es> <200410251928.01536.victor@alf.dyndns.ws>
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Subject: Re: FreeBSD 5.3b7and poor ata performance
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On Monday 25 October 2004 18:28, Victor Balada Diaz wrote:
> On Monday 25 October 2004 18:12, fandino wrote:
> > Thanks to the excelent job of Thomas Sparrevohn I get 52MB/s, this is
> > an excerpt of their comments:
> >
> > "Changes the DMA speed to 66 - The Controller is a 100 controller and the
> > disks are 100 Disks but I think the default for the controller is 66 and
> > hence there are most likely a small initialisation difference between
> > Linux, NetBSD and FreeBSD"
>
> Hi
>
> please can you post how do you solved the problem?
>


atacontrol mode <channel> DMA4 DMA4
atacontrol mode <channel2> DMA4 DMA4

The reason is that the motherboard only supports ATA100 on two out of four IDE 
channels and hence you need to force the two other channels to run at DMA66