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Article #10769

Re: Operating system 386 Compatibles

#10769
From: Ihor Andrew Lys
Date: Mon, 03 Jun 1991 21:47
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Sustaining a transfer rate of 700KBytes/sec is not easy.  I have done so
on a 25MHz 386 w/ an ESDI drive.  My performance benchmarks indicate
that performance in excess of 850KBytes/sec is possible.  The ESDI
interface specifies a data transfer rate of 10Mbits/sec, and achieving a
rate of 850KB/sec is not bad considering the overhead of DOS.  Note that
this uses DOS absolute read/write commands, but there is not much
overhead in the usual dos file system if your files are large.  My 30MB
files were certainly very happy on my system.  It may be possible to
achieve higher transfer rates using SCSI devices, but I suspect that the
sustained throughput will not be much different.    
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Message-ID: <gcGfXuq00awX03EkVr@andrew.cmu.edu>
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References: <10033@suns2.crosfield.co.uk>

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From: il01+@andrew.cmu.edu (Ihor Andrew Lys)
Newsgroups: comp.sys.ibm.pc.misc,comp.sys.intel,comp.sys.ibm.pc.hardware
Subject: Re: Operating system 386 Compatibles
Message-ID: <gcGfXuq00awX03EkVr@andrew.cmu.edu>
Date: 3 Jun 91 21:47:38 GMT
References: <10033@suns2.crosfield.co.uk>
Organization: Class of '91, Carnegie Mellon, Pittsburgh, PA
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