We've recently had a few customers ask us how to enable TRIM in their Windows 7 PC running under AHCI mode and using the Microsoft AHCI driver so their SSD will operate at peak efficiency. This requires a bit of modification to your PC's registry as SandForce SSDs have one TRIM sector while the Microsoft driver is set up for 8 TRIM sectors.

To modify your registry, follow the instructions from the Exceleram PDF below.

http://filebase.exceleram.com/Software_Tools/HowTo/Enabling-TRIM-in-Windows-with-SandForce-Driven-SSD%28EN%29.pdf

Click the link below for a before and after speed comparison using CrystalDiskMark 3.0.1.

http://forum.tabletpcreview.com/ep121-slate/39691-renice-120-gb-msata-ssd-review-10.html#post238978