Do I have to activate AHCI mode on a Mountain Lion after a new SSD drive installation?

Hello All,
Do I have to activate AHCI mode on a Mountain Lion after a new SSD drive installation?
I have a new Corsair GT SSD sata 3 drive on my mack book, I have read on corsair web page that is good tho activate the AHCI and TRIM but I cant find information about how to do this on OS X.
Thank you all

That's information for non-Apple hardware. You can activate TRIM using third-party software: TRIM Enabler 2.2. However, most new SSDs should not need TRIM activated on the Mac.

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