A new bootloader version for MIOS32 is now available under http://www.ucapps.de/mios32_download.html It got an important update for MacOS 10.7 Lion - without this update, the USB MIDI port won't be available anymore, since MacOS tries to handle it like a CDC device. Even if you don't use MacOS the update makes sense, as it contains some minor improvements which I added in the last months. If you've already installed Lion and don't have an alternative computer with Mac OS 10.4/5/6,