Date: Thu, 24 Jun 1999 13:52:48 -0400 (EDT) From: "Brian F. Feldman" <green@unixhelp.org> To: Dag-Erling Smorgrav <des@flood.ping.uio.no> Cc: Bruce Evans <bde@zeta.org.au>, Doug@gorean.org, freebsd-current@FreeBSD.ORG Subject: Re: New ATA stuff, questions and comment Message-ID: <Pine.BSF.4.10.9906241352010.8871-100000@janus.syracuse.net> In-Reply-To: <xzpaetpwwr5.fsf@flood.ping.uio.no>
next in thread | previous in thread | raw e-mail | index | archive | help
On 24 Jun 1999, Dag-Erling Smorgrav wrote: > "Brian F. Feldman" <green@unixhelp.org> 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
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?Pine.BSF.4.10.9906241352010.8871-100000>