sami Posted November 18, 2022 Share Posted November 18, 2022 hello guys, i recently observed a weird behavior with my nanopi R4s(jammy os). when the power goes OFF then ON in like 5 seconds duration then the nanopi does not boot up at all! i need to remove the adapter for like 15 seconds so it would be able to boot again! is this normal? 0 Quote Link to comment Share on other sites More sharing options...
Werner Posted November 18, 2022 Share Posted November 18, 2022 Probably. I assume some capacitor needs to discharge to erase some transient memory. Probably unfixable via software. 1 Quote Link to comment Share on other sites More sharing options...
fever_wits Posted January 31, 2023 Share Posted January 31, 2023 Hi, I have a NanoPi R4SE which is the same except for the built in flash. Regardless of the system, I also observed this effect that having to remove the cable for more than 5 seconds causes it to start again. It's probably a quirk of the hardware. 0 Quote Link to comment Share on other sites More sharing options...
Junkman Posted November 25, 2023 Share Posted November 25, 2023 (edited) Hi, I observed the same issue on my nanopi r4s. It's just weird, and yes, sometimes you need to remove the adapter and wait several seconds before it can boot up. And sometimes, if you do this several times, the board cannot boot up. Use out-of-tree kernel provided by https://wiki.friendlyelec.com/wiki/index.php/NanoPi_R4S#Flash_to_TF can fix this, but suffer from security fixes (the distro and kernel are frozen). Edited November 25, 2023 by Junkman 0 Quote Link to comment Share on other sites More sharing options...
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