From owner-freebsd-alpha Sun Sep 20 12:49:57 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id MAA25306 for freebsd-alpha-outgoing; Sun, 20 Sep 1998 12:49:57 -0700 (PDT) (envelope-from owner-freebsd-alpha@FreeBSD.ORG) Received: from duke.cs.duke.edu (duke.cs.duke.edu [152.3.140.1]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id MAA25299 for ; Sun, 20 Sep 1998 12:49:50 -0700 (PDT) (envelope-from gallatin@duke.cs.duke.edu) Received: from grasshopper.cs.duke.edu (grasshopper.cs.duke.edu [152.3.145.30]) by duke.cs.duke.edu (8.8.5/8.8.5) with ESMTP id PAA21935; Sun, 20 Sep 1998 15:49:21 -0400 (EDT) Received: (from gallatin@localhost) by grasshopper.cs.duke.edu (8.9.1/8.8.8) id PAA08001; Sun, 20 Sep 1998 15:49:23 -0400 (EDT) (envelope-from gallatin) From: Andrew Gallatin MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Date: Sun, 20 Sep 1998 15:49:22 -0400 (EDT) To: Doug Rabson Cc: Chris Csanady , freebsd-alpha@FreeBSD.ORG Subject: Re: IDE support? In-Reply-To: References: <199809201836.NAA02240@friley-185-114.res.iastate.edu> X-Mailer: VM 6.43 under 20.4 "Emerald" XEmacs Lucid Message-ID: <13829.23347.309394.748383@grasshopper.cs.duke.edu> Sender: owner-freebsd-alpha@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org Doug Rabson writes: > > As far as I can tell. :( I just had a chance to play with the Rev C0 > > boards, and they still suck just as much. I believe the C0 is the > > latest rev, although I am not absolutely sure. > > In what sense are they broken? I have a 164LX and (barring the time the > heatsink fell off) it has been working very well. Say that after putting a Myrinet or gigabit ethernet card in it ;-) 164LX's share at least some of the problems of early revision miatas. Chris sees slow host->PCI dma bandwidth (~70MB/sec) with his Myrinet card. Whether it shares other, nastier problems (page boundary DMA bugs), I don't know. Drew ------------------------------------------------------------------------------ Andrew Gallatin, Sr Systems Programmer http://www.cs.duke.edu/~gallatin Duke University Email: gallatin@cs.duke.edu Department of Computer Science Phone: (919) 660-6590 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-alpha" in the body of the message