SOQuartz Model A baseboard Real-Time Clock
#1
There appears to be some kind of real-time clock on the SOQuartz Model A Baseboard, maybe even two, but I can't seem to get them to work. I bodged together a CR2032 holder and a JST-PH 2mm header which fits the connector on the board that is labelled "RTC". Verified with a multimeter that the battery has 3V across the terminals so it seems like it's plugged in properly, but I'm still getting "rtc rtc0: Power loss detected, invalid time, rtc-pcf85063 1-0051: hctosys unable to read the hardware clock" in dmesg. There seems to also be a /dev/rtc1 (rk808-rtc) that seems responsive to hwclock but on every reboot it reverts to August 5, 2017 09:00 UTC for some reason.

Anyone know the correct way to provide power to the RTC?
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SOQuartz Model A baseboard Real-Time Clock - by stormwyrm - 11-17-2023, 03:52 AM

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