Changing the clock frequency slightly (PDP-11)?

[Gordon JC Pearce]

Charles wrote:

> Is there anything in the circuitry that can't be run a little
> slower (or 1.2% faster, 27 MHz)? I'm not worried about squeezing
> every last MIPS out of it.

27MHz will be close enough.  I don't think anything will be too upset at 
slightly altered timings.  If you notice any weirdness, go down the 
route of getting a custom crystal cut if you're *sure* it's because the 
clock is a tiny bit faster.

Gordon.