To keep compatibility with older applications, a new operation mode called Legacy Mode was created in version 1.15. In this mode, this Driver behaves as in version 1.14. This mode can be enabled or disabled as follows:

•When including a new Driver in an application and loading the file Abdf1.dll, this mode is disabled

•If there is already an earlier version of this Driver in an application and the file Abdf1.dll is replaced by a later version, this mode is enabled

In addition, there is an option to enable or disable it at run time via IOKit's Set Configuration Parameters Tag. The parameter to configure is ABDF1.LegacyMode, and its value must be 0 (zero) to disable it and 1 (one) to enable it.

For more information about the usage of IOKit's Set Configuration Parameters Tag, please check topic Documentation of I/O Interfaces - General Configurations - I/O Tags.

For more information about differences among versions of this Driver, please check topic Driver Revision History.