Specifies the location and/or name of a file or code module, such as a DLL, for a specific driver. If you create a new software module, this field is empty. Enter the location and/or file name for new software modules that you create.
If this field contains a fully specified path to the instrument driver code module, the file must be available at that location. If the field contains only a filename, then the file must be located in the system search path.