Date: 05 Jul 2002 16:42:17 +0100 From: Simon Dick <simond@irrelevant.org> To: Juha Ylitalo <juha.ylitalo@iki.fi> Cc: questions@FreeBSD.ORG Subject: Re: DMA on ATAPI (or lack of it ....) Message-ID: <1025883737.10728.4.camel@linux> In-Reply-To: <1025883140.270.53.camel@shoes.st-paul> References: <1025883140.270.53.camel@shoes.st-paul>
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On Fri, 2002-07-05 at 16:32, Juha Ylitalo wrote: > I am going to give you all the relevant stuff below. I ended up having > so much of that stuff, that I decided to move my original question to > the beginning and all system related stuff to the end. > > My noname Athlon box seems to work nicely, except for those times, when > I try to watch DVD movies (with ogle 0.8.4). Problem in movies is that > framerate is 17-20 fps. > With quick check on system, problem turns out to be that DMA is turned > on ATA, but not on ATAPI. Is there something (in BIOS, rearrange IDE > devices, sysctl, kernel, ...) that I could do to change DMA on for atapi > and that way I would get better performance from DVD drive or should I > simply settle on what I get out of it at the moment (since movies really > are only area, where it bothers me) and worry about it, when I buy my > next machine, which will probably take at least 4-5 years (based on > interval on my previous hardware upgrades). Try adding this to /etc/sysctl.conf hw.ata.atapi_dma=1 -- Simon Dick simond@irrelevant.org To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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