Re: Old platforms: bring out your dead

Linus Walleij
2021-01-13T12:04:54Z

On Wed, Jan 13, 2021 at 11:27 AM Andy Shevchenko
<andy.shevchenko@gmail.com> wrote:
> On Mon, Jan 11, 2021 at 11:55 AM David Laight <David.Laight@aculab.com> wrote:

> > basically 486 but have a few extra instructions - probably just cpuid
> > and (IIRC) rdtsc.
> > Designed for low power embedded use they won't ever have been suitable
> > for a desktop - but are probably fast enough for some uses.
> > I'm not sure how much keeping 486 support actually costs, 386 was a
> > PITA - but the 486 fixed most of those issues.
>
> Right, we have "last of mohicans" (to date) Intel Quark family of CPUs
> (486 core + few i586 features).
> This is for the embedded world and probably not for powerful use.

What is the status of PC/104?
https://en.wikipedia.org/wiki/PC/104

I have three GPIO drivers for PC/104 machines and these are for
embedded industrial usecases. I am curious about what CPUs these
beasts run on in practice? Are they getting upgraded?

Paging William, I think he work on these daily.

Yours,
Linus Walleij