Differences

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--- pc_engines_apu1_hopf_clock_ntp [2020/01/04 14:39] – [Install NTP] admin
+++ pc_engines_apu1_hopf_clock_ntp [2021/10/09 15:14] (current) – external edit 127.0.0.1
@@ Line 2: / Line 2: @@
 ====Requirements====
-  * PC Enginges board with DCD line (APU = ok, ALIX = not ok)
+  * PC Enginges board, with DCD line (APU = ok, ALIX = not ok)
   * Debian 10 installed.
-  * Disable getty on ttyS0.
+  * Getty on ttyS0 disabled.
-  * Connect APU1 to Hopf 7001 system over serial (see wiring below).
+  * APU1 to Hopf 7001 system connected over serial (see wiring below).
-  * Configure 7245 card for NTP (see 7245 interface board documentation).
+  * Hopf 7245 interface card configured for NTP (see 7245 interface board documentation).
-  * Download [[http://www.ntp.org/downloads.html|ntp source]].
+  * [[http://www.ntp.org/downloads.html|NTP source code]] download.
 ====Documentation====
@@ Line 123: / Line 123: @@
 ====Hopf DCF /etc/ntp.conf====
-<code>#Stratum level when no ref source available
+  * Create /etc/ntpd.conf.<code>
 #Stratum level when no ref source available
 tos orphan 12
 # Hopf DCF clock
-server 127.127.8.0
+# Mode 12 + 128 (pps) = 140
-fudge  127.127.8.0     refid DCF       # Reference identifier
+server 127.127.8.0     mode 140
+fudge  127.127.8.0     refid PPS       # Reference identifier
 #leapfile /etc/leap_second
-restrict -4 default kod notrap nomodify nopeer noquery
+restrict -4 default notrap nomodify nopeer noquery
-restrict -6 default kod notrap nomodify nopeer noquery
+restrict -6 default notrap nomodify nopeer noquery
 restrict 127.0.0.1
 restrict ::1
@@ Line 145: / Line 147: @@
 driftfile /var/lib/ntp/ntp.drift
 </code>
@@ Line 159: / Line 162: @@
 # Datastring 7001/6021
 #
-# Ben Stienstra, 2013/05
+# BS, 2013/05
 ntpq="/usr/bin/ntpq"
@@ Line 271: / Line 274: @@
 {{tag>[hardware alix ntp]}}