11/23 clock issue

[Mattis Lind]

2015-02-07 0:34 GMT+01:00 Tothwolf <tothwolf at concentric.net>:

>
> Does it have to be exactly 13MHz for the system to function correctly? I
> have some Fox brand 13.824MHz oscillators in my parts cabinets that were
> leftovers from something back in the mid 90s (probably modem R&D).
>

Once upon a time (> 20 years ago) I  tried different clock oscillators on
my M8186 / KDF11-A board. I was able to run RT-11 when using up to 18 MHz
oscillators. As far as I remember it wouldn't boot over 18 MHz. I guess
that it ran a bit hotter though.