From owner-freebsd-questions Thu Sep 2 15: 7:20 1999 Delivered-To: freebsd-questions@freebsd.org Received: from sttlpop1.sttl.uswest.net (pop.sttl.uswest.net [206.81.192.1]) by hub.freebsd.org (Postfix) with SMTP id A7CE114CE0 for ; Thu, 2 Sep 1999 15:07:12 -0700 (PDT) (envelope-from jhays@uswest.net) Received: (qmail 16960 invoked by alias); 2 Sep 1999 22:07:10 -0000 Delivered-To: fixup-questions@freebsd.org@fixme Received: (qmail 16930 invoked by uid 0); 2 Sep 1999 22:07:09 -0000 Received: from odslppp151.sttl.uswest.net (HELO 127.0.0.1) (63.224.32.151) by sttl1.sttl.uswest.net with SMTP; 2 Sep 1999 22:07:09 -0000 Content-Length: 756 Message-ID: X-Mailer: XFMail 1.3 [p0] on FreeBSD X-Priority: 3 (Normal) Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 8bit MIME-Version: 1.0 In-Reply-To: <195b73ac.25003ece@aol.com> Date: Thu, 02 Sep 1999 15:10:02 -0000 (GMT) From: To: Smc659@aol.com Subject: RE: Using UDMA Cc: questions@freebsd.org, freebsd-hackers@freebsd.org Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On 02-Sep-99 Smc659@aol.com wrote: > Im currently using FreeBSD-3.2 stable. How do you get UDMA support working > under FreeBSD? Do I need FreeBSD 4-Current? > > > Thanks, > Sam > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-questions" in the body of the message Actually, if you just want to probe for DMA capability on a drive use the flag 0x2000. example: disk wd0 at wdc0 drive 0 flags 0x2000 (this option will probe for DMA capability on device wd0, which corresponds to the master IDE device on the first IDE controller, I believe) Like Mark, I'm not sure if this extends to UDMA support. type 'man 4 wd' for a better explanation of the wd drivers and their capabilities. --Justin Hays To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message