Looking to design my next Linux (Ubuntu) system, built around a Ryzen
processor.
In previous systems, I've had great success using a Garmin GPS 18x unit
(small hockey puck with a wire tail) hooked up to a DB9 serial (COM)
port on the motherboard, to provide a local (stratum-0) time reference
via gpsd and chronyd. However, mobos with a serial port are becoming
harder to find.
(Yes, I know that PCI serial port cards exist -- however, these are not
suitable for connecting a GPS time reference because the PPS signal
timing is unpredictable -- so I've limited myself to using motherboards
with a builtin serial port.)
What Ryzen (Socket AM4) motherboards have worked out well for people who
want to do what I'm proposing?
Alternatively, can anyone recommend a better hardware solution than a
Garmin GPS attached via a serial port?
Thanks for any suggestions.
*Rich Wales*
[email protected]
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