From owner-freebsd-current Thu Jun 24 10:53:13 1999 Delivered-To: freebsd-current@freebsd.org Received: from janus.syracuse.net (janus.syracuse.net [205.232.47.15]) by hub.freebsd.org (Postfix) with ESMTP id 6FBFE14C2F for ; Thu, 24 Jun 1999 10:53:10 -0700 (PDT) (envelope-from green@unixhelp.org) Received: from localhost (green@localhost) by janus.syracuse.net (8.9.2/8.8.7) with ESMTP id NAA09296; Thu, 24 Jun 1999 13:52:48 -0400 (EDT) Date: Thu, 24 Jun 1999 13:52:48 -0400 (EDT) From: "Brian F. Feldman" X-Sender: green@janus.syracuse.net To: Dag-Erling Smorgrav Cc: Bruce Evans , Doug@gorean.org, freebsd-current@FreeBSD.ORG Subject: Re: New ATA stuff, questions and comment In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On 24 Jun 1999, Dag-Erling Smorgrav wrote: > "Brian F. Feldman" writes: > > I didn't mean that mode 2 was special, but Ultra DMA mode 2 in its entirety being > > very nice :) The old driver never did any form of DMA for me, much less UDMA, so > > I'm very glad to have the ATA drivers. > > controller wdc0 at isa? port IO_WD1 irq 14 flags 0xa0ffa0ff > > Will enable DMA mode with the old driver. It doesn't support UDMA on > all chipsets (e.g. ALI), and in some cases may give very poor > performance when using UDMA disks, but normal DMA mode should work. If > you have UDMA disks but can't get UDMA to work, just disable UDMA in > the BIOS setup utility and it will use normal DMA instead. Actually, I couldn't disable UDMA in the BIOS, and UDMA didn't work. So, the old driver did _not_ do DMA for me. Of course, I knew about the wdc flags. > > DES > -- > Dag-Erling Smorgrav - des@flood.ping.uio.no > Brian Fundakowski Feldman _ __ ___ ____ ___ ___ ___ green@FreeBSD.org _ __ ___ | _ ) __| \ FreeBSD: The Power to Serve! _ __ | _ \._ \ |) | http://www.FreeBSD.org/ _ |___/___/___/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message