Date: Mon, 30 Apr 2001 03:42:27 -0400 From: "William Wong" <willwong@samurai.com> To: "Martin Hasenbein" <mh-freebsd-questions@space.Net>, "Michael Radzewitz" <Michael.Radzewitz@freenet-ag.de> Cc: <freebsd-questions@freebsd.org> Subject: Re: Enable DMA Message-ID: <005e01c0d149$1b2066e0$0300a8c0@anime.ca> References: <E5B3956864905342AE057EAAE922F2D301C976@staffbox> <20010430093859.B40233@Space.Net>
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In 4.3-RELEASE it's now controlled via a sysctl variable. Specifically: hw.ata.ata_dma I'm assuming it's autodetected since mine is set to 1 without me specifically enabling it. - Will ----- Original Message ----- From: "Martin Hasenbein" <mh-freebsd-questions@space.Net> To: "Michael Radzewitz" <Michael.Radzewitz@freenet-ag.de> Cc: <freebsd-questions@freebsd.org> Sent: Monday, April 30, 2001 3:38 AM Subject: Re: Enable DMA > Michael Radzewitz (Michael.Radzewitz@freenet-ag.de) wrote: > % Hello, > % is there a possiblity to enable the DMA-Access or is > % it enabled by default. > % > % Under Linux i have used the program: hdparm to do this > % > % Thanks in advance Michael > % > % To Unsubscribe: send mail to majordomo@FreeBSD.org > % with "unsubscribe freebsd-questions" in the body of the message > > Hi Michael, > > I think the the following kernel-option should do this; > (or am I wrong??) > > # ATA_ENABLE_ATAPI_DMA: enable DMA on ATAPI device, since many ATAPI devices > # claim to support DMA but doesn't actually work, this > # is not enabled as default. > > options ATA_ENABLE_ATAPI_DMA > > \martin > > -- > > -------------------------------------------------------------------- > Martin Hasenbein Phone (Fax): (+49) 89 1216376-1 (3) > \|/ Weiglstr.9 mailto:martin@hasenbein.com > @ @ D-80636 München http://martin.hasenbein.com > -oOO-(_)-OOo-------------------------------------------------------- > > On the 8th day, god created Unix ;-) > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-questions" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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