M13 FIRMWARE UPDATE INSTRUCTIONS   NEEDED: A MIDI interface that connects to your computer via USB (download the current Driver for it if you don't have it installed) 2 MIDI cables (or a MIDI interface such as the M-Audio Uno that comes with attached MIDI cables Note: Line 6 recommends a name brand USB to MIDI interface produced by an audio company that supports/updates their drivers. Good choices include: M-Audio, Edirol, E-Mu and MOTU. These interfaces have prov