NetBSD on a VAX 3100

David Coolbear david at
Tue Mar 17 15:42:00 CDT 2020

Not exactly the same thing, but I've run several different versions of
NetBSD on both a real 3900 and on SIMH. I have not tried current, but I
have tried the 3 series, the 4 series and the 5 series - all seem to
work well. In this context, "well" is defined as (in order of decreasing

The ability to run colossal cave adventure (the 350 point version)
The ability to boot into multi-user
The ability to TELNET to remote hosts, e.g.,
The ability to TELNET to local hosts
The ability to run "vi"
The ability to compile/link/run "hello.c"

I have not tried to recompile the kernel
I have not tried to compile other more obscure/exotic, but less useful
operating systems like emacs

The only problem I've come across is that the hash function on passwords is
VERY slow on the new versions of netbsd (> the 3 series).

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