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Date:      Mon, 2 Jan 1995 10:34:04 -0600
From:      Terry Lee <terry@uivlsi.csl.uiuc.edu>
To:        hackers@freebsd.org
Subject:   Emulex MD21 question
Message-ID:  <199501021634.AA05527@uivlsi.csl.uiuc.edu>

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	By any chance is anyone here familiar with the Emulex MD21 ESDI->SCSI
bridge?  I'm trying to use one with a 10MHz ESDI drive and a 15MHz ESDI drive.
It does work, but the transfer rate to the 15MHz drive is only about 650KB/s.
I measured the transfer rate by both dd and CORETEST (DOS benchmark).  It is
as if the MD21 formats 15MHz drives with a 2:1 interleave.  Is this
a limitation of the MD21?  Thanks for your time.

					Terry Lee
					terry@uivlsi.csl.uiuc.edu



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