[Simh] VAX 780 & 3BSD

[Thor Halbert]

We ran a (highly modified-in-house) version of BSD2.9 at the USGS on a 
big 11/70 and a couple of 11/34s -- later we got a q-niverter (let you 
attach your unibus to q-bus) and ran everything on an 11/73 (hard to 
keep the old 11/70 core memory and power supplies working).   I got the 
dists for 2.10, but never ran them before we ported everything to VMS 
(seismic processing).    2.10 was pretty sophisticated -- they had 
backported TCP/IP from BSD4.x (probably 4.2) for the VAX (I think that 
was the history -- I don't think that 2.9 had networking).  Hard to jam 
all that into 16 bits.

---Thor

Dan Foster wrote:
> Hot Diggety! Jason was rumored to have written:
>   
>> 3bsd crashes on me too, but it doesn't kill simh...
>>
>> Here is what I get:
>>
>> Boot
>> : ra(0,0)vmunix
>> 61856+61008+70120 start 0x4b4
>>
>> Invalid SCB vector, PC: 80000676
>>     
>
> That's what I was getting when I was using the wrong SIMH binary
> (MicroVAX instead of VAX 11/780) to boot 4.2BSD. So maybe it's something
> about hardware access or setup that 3bsd tickles?
>
> As a side note, it appears that someone got VMS 1.5 to boot under SIMH
> earlier today.
>
> 2BSD should be possible with SIMH's PDP-11 emulation.
>
> Notes: only 75 2BSD tapes were distributed, and the csh shell in 2BSD is
> derived from the V6 Mashey shell; first BSD release to have csh and vi.
>
> 1BSD should also run under PDP-11 emulation if SIMH supports the
> PDP-11/34; 30 free 1BSD tapes were given out and 35 tapes were sold.
>
> Kirk McKusick has, courtesy of the CSRG at Berkeley, made a 4-CD set
> available for sale, with every single version of BSD ever distributed,
> including 1BSD, 2BSD, etc., for USD $99. I may look into getting it.
>
> http://www.mckusick.com/csrg/
>
> -Dan
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>   

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