Dear Orak, downloaded your new SW at #83. Found everything, new directories etc. It works very smooth over internal and external SD. Upgrade works fine !!
Done a lot of experience over different maps.
I installed 3 different maps in the following positions :
in.... /garmin/ .System/
1° map :rename into gmap3d.img
2° map :rename into gmapprom.img
3° in ../garmin/Map:rename into gmapprom.img

Again a great job !!!
Thanks a lot!!