Anton,
The mailing list might help ya a bit better.
I have not touched my 3100 yet, still doing uVII and alpha so I can't 
help you but a bunch of folks have done it.
good luck
bob

"Anton V. Goldberg" wrote:
> 
> Hello, All,
> I'm installing NetBsd on VaxServer 3100. I was able to create the boot tape
> and boot from it up to the point of following:
> >>NetBSD/vax boot [date] <<
> >> Press any key to abort autoboot #
> 
> after that no matter what I do - abort autoboot or go ahead and let it boot
> itself I'm getting the message:
> 
> Command filed: Unknown error: code 32768037
> 
> It goes like :
> > boot netbsd
> Command filed: Unknown error: code 32768037
> >
> 
> So what to do now? How can I make the installation?
> 
> Some hardware info:
> Vax Server 3100 (KA41-E cpu)
> 24M of memory.
> Tape is TZ-30.
> I took boot image from 1.4.1 set. Filename is boot.fs
> 
> Anton.