CP-M V2.2 Z1013 IG-HC + RAM-Floppy V2.5 (19xx)(Digital Research Inc)[a]
CP-M V2.2 Z1013 IG-HC + RAM-Floppy V2.5 (19xx)(Digital Research Inc)[a2]
CP-M V2.2 Z1013 IG-HC + RAM-Floppy V2.3 (19xx)(Digital Research Inc)
CP-M V2.2 Z1013 IG-HC + RAM-Floppy V2.4 (19xx)(Digital Research Inc)[a2]
CP-M V2.2 (19xx)(Digital Research Inc)[a2]
CP-M V2.2 (19xx)(Digital Research Inc)[a3]