[ntp:questions] Re: HowTo calibrate system clock frequency using NTP

Hal Murray hmurray at suespammers.org
Thu Feb 2 10:28:24 UTC 2006


>Modern motherboards all seem to have the ability to read the ambient
>temperature.  It might be possible to null out some of the temperature
>variation of the xtal by generating a table of ppm-offset vs. reported
>temperature while ntpd is running.  Then when the system runs open
>loop at some later time, some fairly simple hack can load different
>ppm corrections depending on the reported temperature.

http://www.ijs.si/time/temp-compensation/

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