The waveform capacity and bank on the main unit side, not on the karma side, has been increased. The bank itself is available if you look for it, but it may be difficult to use without the genuine EXB-M256 expansion RAM (not compatible with PC memory). Karma-lab has a lot of information on this subject. (However, the link to the expansion bank is broken, so you will need to find it separately.) karma-lab.wikidot.com/korg-m3:expanding-the-internal-sd-card-to-2-gbyte Translated with www.DeepL.com/Translator (free version)
What is it - xpanded Karma? Softwar? Modouls PCM / hardware/?
The waveform capacity and bank on the main unit side, not on the karma side, has been increased. The bank itself is available if you look for it, but it may be difficult to use without the genuine EXB-M256 expansion RAM (not compatible with PC memory).
Karma-lab has a lot of information on this subject. (However, the link to the expansion bank is broken, so you will need to find it separately.)
karma-lab.wikidot.com/korg-m3:expanding-the-internal-sd-card-to-2-gbyte
Translated with www.DeepL.com/Translator (free version)
Thanks for your answer and good luck in your creating music ! Greetings from Poland / Europe/ @@fmori_synth