PReP RTC vs Decrementer accuracy...

[Cort Dougan]

The hardware is more stable, of course, but we can miss when handling it.
Take a look at the decrementer code - I think it's possible to miss a decr
when resetting it.  That could explain drift.

}Nope, not even close.  If you convert rtc drift specifications and
}processor oscillator drift specifications to a common reference (like
}PPM) you will see processor oscillators are significantly better


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