QuoteWhen boot to LE/CE with correct dtb it's the same, Beelink logo and SPIDF on/off.
When boot to LE/CE with wrong p212 dtb get LE/CE logo and SPIDF stay on.
sounds like a HW issue. Try to reduce the number of CPU cores gradually and see what happens..
use proper dtb
uboot terminal:
or
then
or