Makda Mujji
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NAS kit w/ NEO LTS: RTC not surviving reboots
Makda Mujji replied to Makda Mujji's topic in Allwinner sunxi
Few changes to above answer: Edit armbianEnv.txt by sudo nano /boot/armbianEnv.txt And append i2c0 instead of i2c overlays=... i2c0 install i2c-tools sudo apt install i2c-tools If your "sudo i2cdetect -y 0" returns 68, run the following commands first: Load rtc-ds1307 by sudo modprobe rtc-ds1307 sudo echo ds1307 0x68 > /sys/class/i2c-adapter/i2c-0/new_device -
The 1-bay NAS kit v1.2 has an RTC with option to add CR2032 button cell to keep HW time when system is shut down. But running `timedatectl` when device is booted in offline mode shows RTC is set to 1970-01-01 00:00:00 which defeats the purpose of having the option of CR2032. And yes, the button cell have juice; I've bought it a week ago and tested it before putting it in the kit.