<> > 4 CP/M Version 1.0 Release 2. Does anyone know what it's for? <> <Hard sector agrees with my information also. But I have a note <indicating that the Vector 4 was/is a CP/M-86 machine. Any other inputs < Don, I think your right. The CP/M Version1.0 Release 2 could only be cpm-86 as CP/M-80 would ahve been more likely 1.4 or 2.2. Allison