[TUHS] Do you have any historical UNIX computers?

[David Arnold]

> On 11 Jun 2025, at 23:56, Dan Cross <crossd at gmail.com> wrote:
> 
> On Wed, Jun 11, 2025 at 8:50 AM Warner Losh <imp at bsdimp.com> wrote:
>>> On Wed, Jun 11, 2025 at 8:14 AM Henry Bent <henry.r.bent at gmail.com> wrote:
>>> Sorry, I sent a response only to Warner by accident.  SunOS 4 runs just fine on MP machines, I have a dual processor HyperSPARC SS10 running right now.  The MP support isn't ideal by modern standards but for the time period it's fine, and it definitely works well.
>> 
>> Hmmm, I thought OS/MP was the only SunOS 4 that ran on MP machines.

At one time I had a SPARCserver1000 with 6 (out of 8 possible) sun4d CPUs. 

I can’t confirm it now, but I’m pretty sure it was not supported by SunOS 4.x; I ran SunOS 5.8 on it I think. 

Which is consistent with Wikipedia’s claim that SunOS 4.x supported sun4m but not sun4d (and the XDBus).




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