Re: FreeBSD 5.3b7and poor ata performance

From: fandino <fandino_at_ng.fadesa.es>
Date: Tue, 26 Oct 2004 17:25:13 +0200
Thomas Sparrevohn wrote:
>>>"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 

Thomas, are you sure?

http://public.planetmirror.com/pub/asus/mb/socka/kt133a/a7v133/e688_a7v133.pdf

On page 36 asus clearly state ATA100 support for all ata devices and promise
controller is ATA100 enabled
Received on Tue Oct 26 2004 - 13:25:16 UTC

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