Q-Bus and Unibus to ATA info - test-drb@ccmp.vtda.org

19 Apr 1999

...
  From pechter(a)pechter.dyndns.org Mon Apr 19 14:06:36
1999
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 From: Bill Pechter &lt;pechter(a)pechter.dyndns.org&gt;
 To: "Discussion re-collecting of classic computers"
&lt;classiccmp(a)u.washington.edu&gt;
 Subject: Re: Q-Bus and Unibus to ATA info
 In-Reply-To: &lt;011101be8a92$47a92bc0$5d01a8c0(a)p2350.ecubuero&gt; from emanuel stiebler
at "Apr 19, 1999 12:27:26 pm"
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 On the other hand, I have been pondering the
development of a ATA
drive controller that emulates MSCP (and possibly TMSCP). 
 I'm sitting on the layout of one ;-))
 Problem is, you pay appr 100$ license fee for MSCP, and another 100$ for
 TMSCP.
 emanuel 
 I'd pay $200 + parts for a board that would do MSCP and run my 11/23's
 with an IDE drive.
 Actually, I'd love to find a SCSI or IDE controller with DEC OS support
 for the QBUS.
 Bill 
Take a look at the CQD-220/TM or CQD-240/TM at www.cmd.com. I have two
CQD-240/TM that I bought recently (25-Jan-99) from Ficomp (www.ficompinc.com),
that I am using in my uVAX II with Ultrix 3.1. These boards emulate
MSCP and TMSCP. According to the technical manuals on CMDs website,
these boards work in: LSI-11/23, PDP-11/23+, Micro-PDP-11/53, 11/73,
11/83, 11/93, uVAX II, uVAX III, VAX 4000 and DECSystem 5400 systems.
They support RT-11, TSX, DSM-11, ISM-11, RSX, RSTS, VMS, UNIX, ULTRIX,
and other operating systems which use DU/TU drivers.
I am happy enough with the ones I have, I am going to buy a Unibus one
for my 750 when it arrives.
clint