Re: ntpd not keeping time
On Fri, Jan 31, 2003 at 04:02:37PM +0000, Stephanie Boyd wrote:
> ( Apparently this
> is because the master crystal is often uncalibrated, so the clock
> was advancing at the wrong rate.)
The hardware RTC relies on a 32.768kHz crystal. The vast majority of
32.768kHz crystals are designed for digital watches, and rely on the
wearer's body heat to keep them at a reasonably constant temperature.
When they are used in a PC, the temperature is all over the place,
therefore so is the crystal frequency, and thus the clock. The other
crystals used in a PC don't have such a problem because (a) they're
only used when the PC is on and (b) they operate at a much higher
frequency, so the chunk of quartz is cut to a totally different shape
which is less temperature sensitive.
> "The best Windows accelerator is that which works at 9.81m/s2 "
Like it... reminds me of "*Any* car can be made to do 0-60mph in under
3 seconds - allow me to demonstrate with yours."
Pigeon
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