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I can't tell from your post what you can't setup. Is it the audio interface, BIAB or both? The short answer is if you have a MAC computer, plug in your interface firewire card and the MAC recognizes it. The move on to selecting the Firestudio as your output device in BIAB. If you use a Windows PC, you have to install the Presonus Firestudio drivers before windows recognizes the Firestudio interface and will be recognized and useable by BIAB.

If you have your Firestudio working and use it as the soundcard in other programs but want to get it working in BIAB, then go to Options\Midi-audio driver setup\ and select the Firestudio as your input/output device and make sure you have a default GM midi synth selected. The most current versions of BIAB have Cakewalk TTS-1 and older versions have Coyote WT as available default synths.

To play/record midi with your instrument, depending how it interfaces with a computer, you will either connect using midi/in/out by a midi cable connected between the device and the interface midi in/out's or using a USB cable if that's how it connects to a computer. In the options midi-audio setup, select which ever way you're connected as your midi input. That would be the Firestudio if you're connected by midi cable to the interface or the device itself if it's connected by USB. If you have a Windows PC, you will need to install the drivers for your instrument if it connects by USB.

BIAB 2025:RB 2025, Latest builds: Dell Optiplex 7040 Desktop; Windows-10-64 bit, Intel Core i7-6700 3.4GHz CPU and 16 GB Ram Memory.