On Donnerstag, 4. Februar 2021 11:20:23 CET Avamander wrote: > Hi, > > I was wondering if anyone here has replaced the 54 MHz oscillator on the > Raspberry Pi 4 with a GNSS-disciplined rubidium standard? An overkill > upgrade, but is technically doable? What hardware would it take in addition > to a GNSS-disciplined rubidium standard and a Pi 4? > > Here's where I got my inspiration from, someone replacing the oscillator on > a Pi 3 with a TXCO: > https://raspberrypi.stackexchange.com/questions/74482/switch-out-the-x1-osci > llator-on-a-rpi-2-3
Feeding a 10MHz (suitably conditioned) clock signal directly from a Rb into a Beaglebone Black's external clock input (available on the extension header) and adding a small driver module to use a timer driven by this external clock as system clocksource is _way_ easier. Just my €0.02 BR, Matthias _______________________________________________ time-nuts mailing list -- time-nuts@lists.febo.com To unsubscribe, go to http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com and follow the instructions there.