There are 2 versions of the system disk, one for Model 100 (and 102) only, and one for both Model 100 & 200.
Steven Adolph has dissected and copied the system disk files.
System Disk files from Steven Adolf on Club100
The system disk formatting and files are fully described in the service manual.
Arcadeshopper has copies of both versions of the system disk.
M40 is the main rom
M17 is the character generator