The GSIF driver The GSIF driver of the audio interfaces is also visible only in certain programs. The GigaStudio sampler application and other Tascam / Nemesys products can also access the hardware in a very fast and direct manner. The outputs available in each program are called here �PHASE 24 FW (0)� and lead directly to the outputs of the PHASE 24 FW audio system. The MIDI driver For the recording and playback of MIDI data via the MIDI IN and OUT jacks, a separate driver is available. The driver designated as �PHASE 24 FW(0) Midi In 1 or Out 1� in this system, and it can be selected in any situation in which its use would be appropriate. Practical tip: If MIDI files, which can be played back using Windows' media players, are also to be transferred to externally connected devices, open the �Sounds and Multimedia Properties� dialog window from the Windows Control Panel and set the �MIDI Music Playback� device to the driver mentioned above.