[ntp:questions] Assistance with PPS on Windows

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Thu May 5 23:03:35 UTC 2011


unruh wrote:
> Uh, no. There is no way of getting the signal into the
>  computer with nanosecond accuracy. 1usec is about it.
> The interrupt service routines, if you use a specialised
>  driver for some interrupt driven card, will take about
>  1usec to service the interrupt.

IIRC some BSD variants were claiming to get ~<150ns?

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