[Info-vax] MicroVAX 3100-30 - won't boot...

[AdeV]

Steven Schweda may or may not have intoned:
> AdeV wrote:
> 
> > The "original" disk (which is a CDR copy) - unknown. I used this disk to
> > make an NRG image file using Nero 6, which I converted into an ISO using
> > nrg2iso. This ISO was then used to (successfully) install SimH.
> >
> > The NRG image I burned back to a Verbatim CDR, using a Dell CD writer,
> > again with Nero 6 - at its slowest supported burn speed of 4x.
> 
>    Well, that sounds like enough to wreck the data several
> times over.

In theory, it shouldn't touch the data; it's a raw image, so just a 
series of 1s & 0s. This is borne out by the fact that simh will use any 
of the images (although, I admit, I've not tried the CD "in the flesh") 
quite happily.

> > I also downloaded a copy of VMS7.3 from a well known torrent website,
> > this was in "img" format. I've successfully used that to install a simh
> > instance as well, but I am unable to burn that to a real disk, as all
> > the utilities I've tried simply complain about it.
> 
>    Perhaps because it holds an ODS2 file system, not a simple
> ISO-9660 file system.

I wasn't aware of the specific FS type, but I had twigged it wasn't a 
"normal" one.

-- 
Cheers!
Ade.