On Tue, 21 Jan 2020 at 16:49, Nigel Williams <nw@retrocomputingtasmania.com>
wrote:

> On Wed, Jan 22, 2020 at 5:22 AM Larry McVoy <lm@mcvoy.com> wrote:
> > Yeah, it ran on the 16 bit one but I looked and couldn't find if they
> > got Unix on the z80000 (which I suspect is what Jon meant).
>
> I spent some time attempting to confirm whether the Z80000 (the 32-bit
> flat address space development of the Z8000) ever went to silicon and
> was not able to confirm it did. My suspicion remains that the Z80000
> was only ever a paper specification and did not even get to a first
> spin. If anyone knows and has some evidence I would be glad to update
> the wikipedia page.
>

This thread reminded me that I own a copy of the Zilog "1983/84 Components
Data Book," which I am talking to Al Kossow about scanning.  It fully
details the Z80,000 on paper but does not say anything about hardware,
everything is labeled preliminary.  It is dated September 1983.

-Henry