From owner-freebsd-questions Mon Apr 30 0:42:33 2001 Delivered-To: freebsd-questions@freebsd.org Received: from femail4.rdc1.on.home.com (femail4.rdc1.on.home.com [24.2.9.91]) by hub.freebsd.org (Postfix) with ESMTP id DA30237B423 for ; Mon, 30 Apr 2001 00:42:28 -0700 (PDT) (envelope-from willwong@samurai.com) Received: from magus ([24.114.135.163]) by femail4.rdc1.on.home.com (InterMail vM.4.01.03.20 201-229-121-120-20010223) with SMTP id <20010430074333.RGAK718.femail4.rdc1.on.home.com@magus>; Mon, 30 Apr 2001 00:43:33 -0700 Message-ID: <005e01c0d149$1b2066e0$0300a8c0@anime.ca> From: "William Wong" To: "Martin Hasenbein" , "Michael Radzewitz" Cc: References: <20010430093859.B40233@Space.Net> Subject: Re: Enable DMA Date: Mon, 30 Apr 2001 03:42:27 -0400 MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 8bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4522.1200 X-MimeOLE: Produced By Microsoft MimeOLE V5.50.4522.1200 Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG 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" To: "Michael Radzewitz" Cc: 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