Date: Tue, 25 Aug 1998 20:41:31 -0400 (EDT) From: "Eric J. Chet" <ejc@bazzle.com> To: john hood <cgull@owl.org> Cc: Joe Gleason <freebsd.list@bug.tasam.com>, freebsd-hardware@FreeBSD.ORG Subject: Re: UDMA Support Message-ID: <Pine.BSF.3.96.980825203953.26347A-100000@gargoyle.bazzle.com> In-Reply-To: <19980825021026.12093@owl.org>
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On Tue, 25 Aug 1998, john hood wrote: > On Sat, Aug 22, 1998 at 07:29:03PM +0000, Mike Smith wrote: > > > Does FreeBSD have Ultra DMA support or will it have it? > > > > FreeBSD 3.0 supports IDE DMA. SCSI disks will give better performance > > in multiple-disk or high load scenarios. > > -current supports DMA, but not Ultra DMA, which is faster and has > CRC error checking. (I haven't got an Ultra DMA motherboard and > drive to code/debug on.) This is not much of a problem yet, as > IDE drives cannot yet use all the bandwidth of standard DMA, but > it looks like it will be soon, the way IDE drives are going. :) Hello -current has supported UDMA for about a year or so, I use the Promise controller myself. Later, ejc To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hardware" in the body of the message
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