Date: Tue, 25 Aug 1998 02:10:26 -0400 From: john hood <cgull@owl.org> To: Joe Gleason <freebsd.list@bug.tasam.com> Cc: freebsd-hardware@FreeBSD.ORG Subject: Re: UDMA Support Message-ID: <19980825021026.12093@owl.org> In-Reply-To: <199808221929.TAA20855@dingo.cdrom.com>; from Mike Smith on Sat, Aug 22, 1998 at 07:29:03PM %2B0000 References: <00f001bdcde3$7e14bb00$0171a1ce@bug.tasam.com> <199808221929.TAA20855@dingo.cdrom.com>
next in thread | previous in thread | raw e-mail | index | archive | help
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. :) --jh -- Mr. Belliveau said, "the difference was the wise, John Hood, cgull intelligent look on the face of the cow." He was @ *so* right. --Ofer Inbar owl.org To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hardware" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?19980825021026.12093>