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

Jose R. Valverde jrvalverde at cnb.uam.es
Fri Aug 11 18:26:37 AEST 2006

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:


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.


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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> TUHS at minnie.tuhs.org
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