The file "CPM22b14-24K-SDC-3P+S.NSI" is CP/M 2.2b ver 1.4 for the North Star single density controller. 

This image is pre-configured for a computer with at least 24K of RAM and a Processor Technology 3P+S board for console I/O. A customized MOVCPM is included to size CP/M for different amounts of RAM (run MOVCPM followed by SYSGEN).