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Date:      Sun, 20 Sep 1998 15:49:22 -0400 (EDT)
From:      Andrew Gallatin <gallatin@cs.duke.edu>
To:        Doug Rabson <dfr@nlsystems.com>
Cc:        Chris Csanady <ccsanady@friley-185-114.res.iastate.edu>, freebsd-alpha@FreeBSD.ORG
Subject:   Re: IDE support? 
Message-ID:  <13829.23347.309394.748383@grasshopper.cs.duke.edu>
In-Reply-To: <Pine.BSF.4.01.9809202037420.28425-100000@herring.nlsystems.com>
References:  <199809201836.NAA02240@friley-185-114.res.iastate.edu> <Pine.BSF.4.01.9809202037420.28425-100000@herring.nlsystems.com>

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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


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