11/35 on eBait

william degnan billdegnan at gmail.com
Mon Oct 3 11:46:37 CDT 2016

On Mon, Oct 3, 2016 at 12:13 PM, Paul Koning <paulkoning at comcast.net> wrote:

> > On Oct 3, 2016, at 12:07 PM, william degnan <billdegnan at gmail.com>
> wrote:
> > ...
> > I should  have been more precise, but my point is that this is a
> non-parity
> > RAM basic 11/35 system useful for peripheral interfacing and
> > communications.  As is, not good for something like RT11.
> I wouldn't look at it this way.  Non-parity memory is fine for any
> application if you judge the risk of memory error to be low enough for that
> application.  Peripheral interfacing or communications may or may not be
> such an application.  An application running on RT11 may or may not be.
> The OS isn't what decides this, but rather the requirements of the
> application: the expected bit error rate for the memory technology in use
> vs. the failure rate that's tolerable for the application.
>         paul
16K RAM does not make for much of an RT11 system.  The industrial/beefy
11/40's all have parity RAM.  My PDP 11/05 has the same core stack as this

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