C64R-MK2 with 1541U-II working accept for freezer screen KCS powercard en FCIII rayden 1. August 2018 um 08:30 Zitat von c64user What firmware version do you use? Zitat von MarcoB [...] I also tried different version of the firmware for the 1541U (currently 3.2.) The C64R-MK2's are running the latest firmware. emphasised on purpose