ocr: Apple MIDI Interface System Requirements Touse the. Apple MIDI Inter- > AN Macintosh personalcom- puter "Fora whose Macintosh serial 128K port or usesal Macntosh DB9 512K comedtor com- face, you'l need the following: puteror Apple IIGS personal (insteadofa a minicincular connertor), you will computer* ber needa a MU1%, Macintosh Peripheral-BCable, order num- MIDI-compatible softwaret tApplels Isoftware originally designed for use only - One or more MIDI-equipped withal MIDI carda andr not with theb buih- in serial electronic devices, such as a portofthe modificationfor Apple use JIS withi may ...