@g55 TL;DR "You need to boot with sdhci.debug_quirks2=4 in cmdline.txt of each OS for it to work, but it will sacrifice SD speed (I don't know how much)." Hi + Thx for the reply. I just found the time to test it ... yep, with this setting im cmdline.txt the SD speed decreases by almost 50...

This is due to the new sd card interface. See https://github.com/raspberrypi/noobs/issues/551 for full details and a workaround. many 10x for the hint here, although I probably have to read that more than once to understand ... currently after the first "fly over" I only understand "...

Hi there, 1st, thx. a lot @procount for continiously updating PINN 8-) now, I got the RPI4 recently, and as on my RPI3 I'm already using PINN sucessfully since about a year, I just checked PINN on the PI4 ... installed v3.3c on SD installed RasbianLite on SD converted to root on SSD incl. LVM and in...