Lines Matching +full:system +full:- +full:clock +full:- +full:frequency
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6 <title>External Clock Discipline and the Local Clock Driver</title>
10 <h3>External Clock Discipline and the Local Clock Driver</h3>
12 <!-- #BeginDate format:En2m -->9-May-2014 04:46<!-- #EndDate -->
15 <p>The NTPv4 implementation includes provisions for an external clock, where
16 the system clock is implemented by some external hardware device.
20 Service (DTSS), where the system time is disciplined to this protocol and
22 A third implementation might be a completely separate clock discipline algorithm
25 …clock driver and NTP daemon <tt>ntpd</tt> to communicate and determine which discipline is in cont…
26 …clock and driver are implemented using the <a href="drivers/driver1.html">Local Clock (type 1) dri…
27 …clock is enabled, <tt>ntpd</tt> does not discipline the system clock, nor does it maintain the err…
28 …clock source, a protocol is necessary between the local clock driver and the external clock driver…
30 clock discipline</p>
34 frequency, maximum error, estimated error, time constant and status bits,
43 …tt> and <tt>ntp_control</tt> switches are set, the daemon disciplines the clock via the kernel and…
44 …clock driver controls the system time and clock selection in the following way. Normally, the driv…