Part 1 can be found here:
#C64hardware 1/
skoe.de/easyflash/doku…
It has 1MiB of FLASH and you can upload CRT images with software to it using an SD2IEC or even a 1541 when you split the data.
#C64hardware 2/


#C64hardware 3/



#C64hardware 4/




skoe.de/easyflash/doku…
#C64hardware 5/
#C64hardware 6/




#C64hardware 7/




#C64hardware 8/




#C64hardware 9/




rr.pokefinder.org/wiki/Action_Re…
Or the manual of the AR6 here:
rr.pokefinder.org/rrwiki/images/…
#C64hardware 10/




icomp.de/shop-icomp/en/…
#C64hardware 11/




rr.pokefinder.org/wiki/Final_Car…
#C64hardware 12/



#C64hardware 13/




#C64hardware 14/

#C64hardware 34/