In atricle by Bob Manners:
Now, the 11/23 has 128Kw, a 10Mb RD51 winchester and an RX50 floppy. I
need to get hold of a version of UNIX (pref. v7) The UNIX in question
obviously needs to support the RD51.
Does v7 support RD series drives? If not, what does?
v7 doesn't support RDs (just looked thru the archive), and I don't know
of anything that does. You'd probably have to write your own device driver :-(
Warren
From "Steven M. Schultz"
<sms(a)wlv.iipo.gtegsc.com> Thu Mar 21 08:39:32 1996
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Date: Wed, 20 Mar 1996 14:39:32 -0800 (PST)
From: "Steven M. Schultz" <sms(a)wlv.iipo.gtegsc.com>
Message-Id: <199603202239.OAA28894(a)wlv.iipo.gtegsc.com>
To: rjm(a)swift.eng.ox.ac.uk, wkt(a)dolphin.cs.adfa.oz.au
Subject: Re: UNIX for 11/23
Cc: oldunix(a)minnie.cs.adfa.oz.au
Hi -
From: wkt(a)dolphin.cs.adfa.oz.au (Warren Toomey)
In article by Bob Manners:
Does v7 support RD series drives? If not, what does?
v7 doesn't support RDs (just looked thru the archive), and I don't know
of anything that does. You'd probably have to write your own device driver :-(
Warren
Warren's correct. MSCP support did not enter the 'BSD' picture until
late 2.9BSD or early 2.10BSD. TMSCP support for tapes didn't come
about until early 2.11BSD when I "borrowed" the driver from 4.3BSD
(who had earlier borrowed it from Ultrix).
It should be noted that the MSCP (and to a greater degree TMSCP)
is a *pig* - it's the largest driver in the system, rivaling the
TTY subsystem sizewise.
An 11/23 is already extremely cramped for address space even using
simpler/smaller drivers such as the RK, RL, etc. I seriously doubt
the MSCP driver could be smashed in to a 11/23 kernel and leave room
for too much else.
Steven Schultz
sms(a)wlv.iipo.gtegsc.com