@behindtheconsole Regarding the MX300, a few people on the VzEkC forum might have an MX300, at least there were some discussions in 2022. I hope I'm not simply proposing things you already tried...https://forum.classic-computing.de/forumThis thread might only be visible for registered users:https://forum.classic-computing.de/forum/index.php?thread/28532-siemens-nixdorf-9733-20-mx300/