Want to lessen load on CPU -- firewire or USB interface?

CDotF

Rapper Slash Producer
What's up guys, I have a Saffire Pro LE from way back in the day that I use alongside a Macbook Pro whenever I'm recording.

I've had slight problems with my MBP for the past few months, where the slightest amount of activity generates a shitload of heat and the laptop fans start going crazy. It starts heating up as soon as I plug in the Firewire cable, and it's annoying as hell.

I recently fixed it by opening up the unit and cleaning up the insides with compressed air. Nowadays the fans not so noisy when I'm doing basic ish like browsing, but since I'm on vacation right now I won't be able to test this with my interface for a few months.

My question is: would getting a USB audio interface lessen the load on my laptop?

I was thinking of buying the Focusrite Scarlett 2i2 since I don't record more than 1 vocal at a time anyway, but only if it will make the laptop run cooler/quieter. Coz currently it doesn't have any problems when I plug in my external hard drives through USB.

So yeah, would appreciate some input. Thanks in advance folks.

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EDIT: Never mind.. After searching a few forums, it does seem to be a problem with how Macbooks handle Firewire audio interfaces. Lots of people reporting it

http://forums.macrumors.com/showthread.php?t=915381
http://www.steinberg.net/forum/viewtopic.php?p=68624
etc. etc.

Looks like it's time to switch to a USB interface.
 
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