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Date:      Tue, 31 Dec 1996 12:56:47 -0800 (PST)
From:      "Brant Katkansky" <bmk@pobox.com>
To:        jfieber@indiana.edu (John Fieber)
Cc:        hackers@freebsd.org
Subject:   Re: New motherboard breaks tape drive
Message-ID:  <199612312056.MAA03529@itchy.atlas.com>
In-Reply-To: <Pine.BSI.3.95.961231135104.353A-100000@fallout.campusview.indiana.edu> from John Fieber at "Dec 31, 96 02:02:35 pm"

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> I have an Archive Viper 150 tape drive that has served me well
> for many years.  I have never had difficulty getting the maximum
> performance of about 100K/second writing speed from it...
> 
> ...until upgrade my old 486DX33 motherboard to a Pentium 100
> (ASUS).  Now the tape drive will no longer stream and typical
> writing speed has dropped to about 50K/second. 
> 
> My first thought was something with the new SCSI controller (ASUS
> SC200) was the problem so I put my old Adaptec 1542C in, but the
> result was the same (I even tried putting the drive alone on the
> bus). I tried team, but it didn't help. 
> 
> I'm fishing for where to look next.  Ideas?

No ideas, but I'd like to know as well.  I have the same exact
problem - I'd just forgotten about it since I only do backups
about every six months or so. :)

-- Brant Katkansky (bmk@pobox.com, brantk@atlas.com)
   Software Engineer, ADC



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