SONAR X3 Studio With a Presonus 24.4.2

It seems I cannot use my Presonus 24.4.2 firewire mixer to mixdown. When I move the mixer faders on the 24.4.2 the SONAR faders do not respond. In the software I got with the mixer I can see on the monitor the faders move and when I press a button on the mixer it is hightlighted, so this leads me to believe the mixer is transmitting this information to the PC but SONAR cannot receive it. Really disappointed as that's why I upgraded to X3 and bought the mixer. I do not wish to mix buy using a mouse and I really want to use the power of the 24.4.2. So here is my possible solution, to which, I would appreciate any feedback you folks might have (as in good idea or you are a lame ass!). I have a second PC that has SONAR Home Studio 7XL. I am thinking to buy an M-Audio Audiophile 192 card and put in in that PC. I will connect the paralled balanced TRS outputs of the 24.4.2 to the card (I have the XLR outs connected to my monitors). When I mixdown I will open a stereo audio track on 7XL, hit record, then hit play on my SONAR X3 Studio. I am thinking this way I can use the mixer and it's functions and record the audio output on the other PC. I am also thinking by using this method I will use less plug-in on tracks e.g. eq, compression, gating so I won't get any audio glitches from the PC running SONAR X3. One final thing I strongly recommend iZotope Ozone 5 for mastering. Great program! Thanks in advance folks! You have been very helpful to be before.

Kalle,
Thank you! I did realize, shortly after I put this up, that I was in the wrong place!
I have it in the X series now.