Date: Mon, 30 Apr 2001 05:31:38 -0700 From: Kris Kennaway <kris@obsecurity.org> To: Odhiambo Washington <wash@wananchi.com> Cc: "'freebsd-questions@freebsd.org'" <freebsd-questions@FreeBSD.ORG>, Michael.Radzewitz@freenet-ag.de, mh-freebsd-questions@space.Net Subject: Re: Enable DMA Message-ID: <20010430053138.A84209@xor.obsecurity.org> In-Reply-To: <20010430141526.D74981@everest.wananchi.com>; from wash@wananchi.com on Mon, Apr 30, 2001 at 02:15:26PM %2B0300 References: <E5B3956864905342AE057EAAE922F2D301C976@staffbox> <20010430093859.B40233@Space.Net> <20010430141526.D74981@everest.wananchi.com>
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[-- Attachment #1 --] On Mon, Apr 30, 2001 at 02:15:26PM +0300, Odhiambo Washington wrote: > * Martin Hasenbein <mh-freebsd-questions@space.Net> [20010430 10:38]: writing on the subject 'Re: Enable DMA' > Martin> Michael Radzewitz (Michael.Radzewitz@freenet-ag.de) wrote: > Martin> % Hello, > Martin> % is there a possiblity to enable the DMA-Access or is > Martin> % it enabled by default. > Martin> % > Martin> % Under Linux i have used the program: hdparm to do this > Martin> % > Martin> % Thanks in advance Michael > Martin> % > Martin> % To Unsubscribe: send mail to majordomo@FreeBSD.org > Martin> % with "unsubscribe freebsd-questions" in the body of the message > Martin> > Martin> Hi Michael, > Martin> > Martin> I think the the following kernel-option should do this; > Martin> (or am I wrong??) > Martin> > Martin> # ATA_ENABLE_ATAPI_DMA: enable DMA on ATAPI device, since many ATAPI devices > Martin> # claim to support DMA but doesn't actually work, this > Martin> # is not enabled as default. > Martin> > Martin> options ATA_ENABLE_ATAPI_DMA > Martin> > Martin> \martin > > > DEPRECATED!! > > man 4 ata It's also for enabling DMA on ATAPI devices. FreeBSD enables DMA by default on ATA devices. Kris [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.5 (FreeBSD) Comment: For info see http://www.gnupg.org iD8DBQE67VspWry0BWjoQKURAjrBAJ9eddzDuOPBWt1T+Ex0xAMjt0TYFwCcD1Yf Dqv0tAdK8+JPw1WCtmbGXGg= =U0r0 -----END PGP SIGNATURE-----help
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