Date: Tue, 26 Oct 2004 17:25:13 +0200 From: fandino <fandino@ng.fadesa.es> To: freebsd-current@freebsd.org Subject: Re: FreeBSD 5.3b7and poor ata performance Message-ID: <417E6C59.1020404@ng.fadesa.es> In-Reply-To: <200410251837.58257.Thomas.Sparrevohn@btinternet.com> References: <14479.1098695558@critter.freebsd.dk> <417D25E8.6080804@ng.fadesa.es> <200410251928.01536.victor@alf.dyndns.ws> <200410251837.58257.Thomas.Sparrevohn@btinternet.com>
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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
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