Hilmar Böhm wrote:
> 
> Isn't t he MV3100-80 similar?

The 85, 95 and 96 have the same hardware manual.
I don't know the 3100/80.

>  The 1.5.2 iso-CD did not boot: 2.. 1.. (nothing)
> (CD-ROM drive seems to be ok, because OVMS 7.3 CD was able to boot.)

The 3100/96 has the same mainboard as the VAX 4000/106A.
I think Michael Kukat has NetBSD running on 4000/105A. Maybe he
could compile a kernel for you.
Anyway, it's a really nice VAX and very fast (for a VAX).

HTH
Dennis

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"ergonomische Gestaltung" 
der Ausschalter ist ohne Schraubenzieher erreichbar