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From: petel@tekig5.UUCP (Pete Lancashire)
Newsgroups: net.micro
Subject: Re: Adaptec 2070, RLL encoding:  WARNING
Message-ID: <1046@tekig5.UUCP>
Date: Fri, 15-Aug-86 12:38:28 EDT
Article-I.D.: tekig5.1046
Posted: Fri Aug 15 12:38:28 1986
Date-Received: Tue, 19-Aug-86 09:13:55 EDT
References: <336@uw-nsr.UUCP> <12300016@clio>
Organization: Tektronix, Inc., Beaverton, OR
Lines: 20

In article <12300016@clio>, berger@clio.Uiuc.ARPA writes:
> 
> For less than $ 200, you can get the Adaptec 2070 controller board
> with run length limited encoding.  That gives you 50% more space
> on your hard disk, INDEPENDENT of what the data looks like.  It also
> runs 50% faster.
> 
> A SCSI version is also available.

Not all drives will work with 2/7 RLL. If your drive is not 'certified' to
work with RLL, I suggest formatting your drive with an Adaptec controller
first.

Out of about 20 drives, I have found two that on their inner tracks could
not handle the extra bandwidth needed by 2/7 RLL.

Other than that the Adaptec 2/7 RLL controllers and adapters has to be one
of the best bargins around.

Pete Lancashire   ...!tektronix!tekig5!petel