The file "CPM22b14-48K-SDC-HORIZON.NSI" is CP/M 2.2b ver 1.4 for the North Star single density controller.

This image is pre-configured for a North Star Horizon computer with at least 48K of RAM. A customized MOVCPM is included to size CP/M for different amounts of RAM (run MOVCPM followed by SYSGEN).