Removing 12V VRM for gdemu
source: https://www.reddit.com/r/dreamcast/comments/461ohk/how_to_remove_12v_from_dreamcast_for_gdemu_and/ PAL, remove VRM and SM resistor:
source: https://www.reddit.com/r/dreamcast/comments/461ohk/how_to_remove_12v_from_dreamcast_for_gdemu_and/ PAL, remove VRM and SM resistor: