I followed the instructions in this video with IMG 20.05 and detect enough 3GiB of RAM. Version 21.08 detect only 2GiB RAM
https://www.youtube.com/watch?v=GHk22VIxoIU
p/s: Version 21.08 cannot burn with dtb files
I burn last version Armbian_21.08.0-trunk_Aw-h6-tv_buster_current_5.10.47.img to SD card but tanix TX6 only 2GB RAM detected. Please help me to get TX6 to detect 3GB RAM. Thank you very much