Originally Posted by rokit
Ah, the Firebox is my sound card. I have two speakers that are plugged into the two main outs (left and right) of the Firebox. If I can't get this working I will just have to go without sound.
Here is the problem; I don't see an Audio controller in your profile; don't know what that means if anything; I take it that you don't have a built in one or you can turn it off in the BIOS; but still; you have to be able to configure yours firebox as a sound device; now we come to the details of where to start; so lets start with the System-> Preferences-> Sound and see what you have in the hardware tab; this will also need to be selected in the in and output also. If it has a driver loaded you should have this option, if so you need to enable it; if not we need to find and install the drivers for it; I have no idea what driver that is or where to get it; I did note that they do not support Linux for this device; so lets hope it follows some standard for a generic firewire device; do you have sound right now? My guess is not; meaning it is not configured.
Also check Known compatible and incompatible hardware
You need to take a look at you logs; /var/log/dmesg and /var/log/messages and see if there are any errors; post the errors concerning ALSA.
You might ask around for someone that has this working; that is your best bet.
A google search for "presonus firebox linux fedora" may help
The Ubuntu links may or may not help
I don't know how much help this has been; not having a Firebox and just learning about them, I'm in the dark.