hard_drive_0_file_system
The option documentation is properly formatted yet
Default: Example: SmartFilesystem Since: 2.1.1
Path to file system handler, for example SmartFilesystem. Relative paths are looked up relative to the Hard Drives directory.
Source: https://github.com/FrodeSolheim/fs-uae/blob/master/docs/options/hard_drive_0_file_system