[TUHS] H.J. Lu Bootable Root & Base System disks

arnold at skeeve.com arnold at skeeve.com
Wed May 26 17:51:09 AEST 2021

The Tahoe was a CISC machine, different from both the RT and the 3B2.
Those emulators might be useful as examples of how to write an emulator,
but they won't help you to boot any code.

I think there were several companies that sold Tahoe architecture
machines, but I don't remember any more.


Jason Stevens <jsteve at superglobalmegacorp.com> wrote:

> It took me years of on and off to finally figure out what the heck a Tahoe even was.
> Spoiler for anyone who wasn’t there when it happened it’s a Harris HCX-9.
> The config file has this snippet:
> With other bits that fit the bill in the source.  With that said I don’t think there is any system ROM or firmware dumps or did it use a writeable control store?
> But then again there is some movement on an RT emulator and there is the 3b2 stuff so maybe there only needs to be a ‘push’…
> I’m far too novice for that kind of thing.
> From: Lars Brinkhoff
> Sent: Wednesday, 26 May 2021 4:00 pm
> To: Jason Stevens
> Cc: Sean Dwyer; tuhs at minnie.tuhs.org
> Subject: Re: [TUHS] H.J. Lu Bootable Root & Base System disks
> Jason Stevens <jsteve at superglobalmegacorp.com> writes:
> > I know I’m going to probably regret this but have you tried 4.3BSD
> > Tahoe?
> No, but I'd like to see it run on a Tahoe (emulator).  Maybe my vote for
> one of the most well known machines (due to BSD) that has seemingly
> completely dissapeared off the face of the earth.  Happy to be proved
> wrong.

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