[TUHS] Building a tape IMAGE of Fred's Ultrix-11 3.1

Madcrow Maxwell madcrow.maxwell at gmail.com
Fri Aug 11 22:35:52 AEST 2006

That's a good archive. One suggestion I would would be to compress the
images. That might save enough disk space so that you don't have to go
and buy a new hard drive. It would also make life easier for us poor
shlubs stuck on 56K dialup ;)

Mike "Madcrow" K.

On 8/11/06, Jose R. Valverde <jrvalverde at cnb.uam.es> wrote:
> I made (some time ago) a copy of many of the images I've been using
> on my FTP. Among them a working image of ultrix-3.1:
>         ftp://ftp.es.embnet.org/pub/misc/emul/images/SIMH
> I now see I've run out of disk space, so I'll have to move a lot of
> things to a new disk any time soon now which might cause momentary
> lapses in accessibility. Other than that, once the space problem is
> fixed, I'll post as well a  modification to the tape-to-file program
> I made for my own use which works like a charm.
>                                 j
> On Thu, 10 Aug 2006 17:49:46 -0400
> "Madcrow Maxwell" <madcrow.maxwell at gmail.com> wrote:
> > I downloaded the tape building kit of Fred's enhanced Ultrix 3.1 and
> > set about trying to build an image file suitable for use with SIMH. As
> > simply modifying the included script to write to a normal file instead
> > of a (non-existant) tape device failed, I tried doing things by hand,
> > running maketape and then "cat"ing the file it created along with all
> > the other  files "dd"ed by the script into a single file. While this
> > produced a file that looked about the right size, it didn't work with
> > SIMH as mounting it to the emulated TK50 device and booting produced:
> >
> > HALT instruction, PC: 016300 (CLR R3)
> >
> > Any help on how to get a working image available so that my nerdy
> > history project can proceed?
> >
> > Mike "Madcrow" K.
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