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From: jbs@mit-eddie.UUCP (Jeff Siegal)
Newsgroups: net.periphs
Subject: Re: Using a Fujitsu M2333k disk on PDP 11/73
Message-ID: <665@mit-eddie.UUCP>
Date: Sun, 8-Dec-85 04:28:13 EST
Article-I.D.: mit-eddi.665
Posted: Sun Dec  8 04:28:13 1985
Date-Received: Mon, 9-Dec-85 03:46:05 EST
References: <1558@emory.UUCP>
Reply-To: jbs@mit-eddie.UUCP (Jeff Siegal)
Distribution: net
Organization: MIT, Cambridge, MA
Lines: 19

In article <1558@emory.UUCP> kim@emory.UUCP (Kim Wallen {Psychology}) writes:
>
>We would like to use a Fujitsu M2333k 337 mbyte drive on our PDP 11/73
>running HCR's UNITY (SYS III based UNIX (TM)) operating system.
>According to our supplier for the disk drive (Cambridge Digital) the
>drive uses an Emulex QD32 controller which emulates a 'du' device.
>HCR does not have a driver for such a combination.  Does anyone out
>there know what a 'du' device is?  Is there anyone using a similar
>combination of machine and controller who could point us to a 
>source for the appropriate driver?  If necessary we are willing to
>go to another UNIX (TM) to get this combination on our machine.
>

A 'DU' device is one which conforms to DEC's MSCP protocal.  A single
driver is able to control any MSCP device.  DEC devices which use this
protocal include the RA81 and RA80.  Thus, what you need is a RA81 
driver.  

Jeff Siegal - MIT EECS (jbs@mit-eddie)