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Article #3324

ESDI Drives: Can I upgrade?

#3324
From: Bill Wichser
Date: Wed, 20 Mar 1991 14:35
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We are considering upgrading a uVax in our department to a RISC machine.  Unfortunately, the funding does not permit too much more than a CPU.  The current
configuration on the uVax has two ESDI drives (Maxtor EXT4380 and CDC Wren6) 
which we would like to salvage and use on the new system.

Is there a way to convert these disks to SCSI?  It seems there should be an upgrade
to the controller board that sits on the drive itself.  Is this something the drive manufacturers in fact have?  I have also heard mention of a controller
from Emulex that sits on the SCSI bus and makes the translations from SCSI to ESDI.
How much slower is this than a board upgrade to the drive (if such a thing exists)?

Any other thoughts or suggestions are certainly welcome.

Thanks...Bill

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* Internet: bill@soil.princeton.edu  William Wichser                           *
* UUCP:     princeton!soil!bill      Princeton University                      *
* BITNET:   wwichser@PUCC.BITNET     Civil Engineering and Operations Research *
* Phone:    609.258.4612             E114 E-Quad                               *
* FAX:      609.258.1270             Princeton, NJ 08544                       *
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From: bill@tremor.Princeton.EDU (Bill Wichser)
Newsgroups: comp.sys.dec
Subject: ESDI Drives: Can I upgrade?
Message-ID: <7349@idunno.Princeton.EDU>
Date: 20 Mar 91 14:35:26 GMT
Sender: news@idunno.Princeton.EDU
Reply-To: bill@soil.Princeton.EDU
Organization: Princeton University
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