How do I attach an RA81 to a DECsystem 5400?

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Article #3717

#3717

From: Bill Bogstad
Date: Tue, 29 Dec 1992 21:26

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	I've got a couple of RA81s which used to be used on a now defunct
VAX 8530 which I would like to use.  I've been digging through the manuals
for our 5400 and it appears that I can probably attach these drives; but I
will need a KDA50 controller to do so.  Can somebody tell me if this is
correct and if there is anything else that I need to worry about (the rev of
the KDA50 for example)?  I appear to have a 5400 model 210QS with an
additional expansion chasis with one RF style disk if that matters.  Will I
have any problems with the MSCP implemented by the KDA50 controller versus
that used by the DSSI/RF disk combination?.  Can I put a KDA50 in a 210QS
package?  What should I pay for a used KDA50?

				Thanks,
				Bill Bogstad
				bogstad@cs.jhu.edu

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Message-ID: <1992Dec29.212620.19060@blaze.cs.jhu.edu>

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Path: arc1-ca.pugleaf.net!sparky!uunet!dtix!darwin.sura.net!blaze.cs.jhu.edu!bogstad
From: bogstad@blaze.cs.jhu.edu (Bill Bogstad)
Newsgroups: comp.sys.dec,comp.unix.ultrix
Subject: How do I attach an RA81 to a DECsystem 5400?
Message-ID: <1992Dec29.212620.19060@blaze.cs.jhu.edu>
Date: 29 Dec 92 21:26:20 GMT
Organization: Johns Hopkins Computer Science Department, Baltimore, MD
Lines: 15