Branching the thread away from Compaq deskpro boards: "What We Have Lost"

Chuck Guzis cclist at
Sun Aug 1 12:17:32 CDT 2021

On 8/1/21 9:14 AM, Zane Healy via cctalk wrote:
> On Aug 1, 2021, at 7:10 AM, Liam Proven via cctalk <cctalk at> wrote:
>> CP/M is surprisingly alive for something so old and rudimentary and
>> seeing some activity, e.g. CPMish, but I don't think anyone would
>> claim it has much of a future. CCP/M is dead although I think Toshiba
>> just about supports 4680 and 4690.
> I have to admit, this one surprises me.
>> I'm struggling to think of anything else. There are things but they're
>> even more niche than say Haiku. Redox OS? Genode? HelenOS?
> OpenVMS 9.2 will run on x86, as does the 9.1FT that’s currently out.  I believe they’ve even had it running on an Atom-based board.
> z/OS runs on IBM Mainframes, there is also “IBM i”, which was previously called OS/400.
> Last I checked, GCOS-8 is still running, but with Itanium end-of-life, I’m not sure what on.  It’s been a niche market for decades.  I’d argue that it was a serious niche when I was using it in the early 90’s.

There are MCU RTOSs, for example, FreeRTOS,
than can be found in many IoT devices.  Not Linux, Windows, or Android.

The lack of interest in the classic/vintage computing segments is a bit
surprising, since many of these MCUs far exceed the computing power of
many legacy platforms.

Silicon is cheap.


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