CP/M-86 R1.1 [Columbia Data Products OEM V1.7] Released November 20, 1983 by Digital Research / Columbia Data Products For Columbia Data Products MPC 1600 and VP computers. Image Quality: Used/write protected This is an OEM version of CPM-86 sold with and designed for the Columbia Data Products Multi Personal Computer 1600 desktop and VP portable. It will also boot on other IBM PC compatible hardware. This archive contains one 320K (DSDD 8-sector) disk image Note that this is not a DOS formatted disk, therefore utilities like WinImage will not open it.