[ntp:questions] LOCL clock reachability not 377?

[Harlan Stenn]

Rob writes:
> > A reboot is a restart and on a restart you need an external source for
> > the seconds. 
> 
> Why?  The time is copied to the CMOS clock regularly, and one could
> expect that during the short reboot the CMOS would not drift away so
> much that the time could not be synced to the PPS unambiguously.

Except when the CMOS battery is insufficiently alive.

H