Date: Mon, 6 Dec 1999 20:17:06 +0100 (CET) From: Soren Schmidt <sos@freebsd.dk> To: dick@tar.com (Richard Seaman, Jr.) Cc: vallo@matti.ee (Vallo Kallaste), obrien@FreeBSD.ORG (David O'Brien), sos@FreeBSD.ORG, current@FreeBSD.ORG Subject: Re: ATA driver as the default Message-ID: <199912061917.UAA13093@freebsd.dk> In-Reply-To: <19991206064628.G44207@tar.com> from "Richard Seaman, Jr." at "Dec 6, 1999 06:46:28 am"
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It seems Richard Seaman, Jr. wrote: > On Mon, Dec 06, 1999 at 12:19:16PM +0200, Vallo Kallaste wrote: > > > It doesn't know about SiS 5591 PCI IDE controller, the wdc controller > > knows. I'm speaking about boot messages, nothing else. Furthermore the > > wdc driver sets up UDMA mode on my UDMA capable disks, ata driver > > doesn't. It claims that busmastering DMA is supported and sets up WDMA2 > > mode instead, I think it's normal as it currently doesn't know about > > 5591. The WDMA2 isn't really that bad and otherwise I'm using ata driver > > quite happily. Just FYI. > > The one time I tried ata with my SiS 5591 board I got PIO, no > DMA at all. With wd I get UDMA. This was about 2-3 weeks ago. The SiS is supported, depending on how the BIOS sets up the chip the ata driver will do at max wdma2 transfers. I hope to have support before 4.0, are you guys willing to test some patches, they might hose your disks, you have been warned :) -Søren To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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