you to try and use the Dynamic Fan Control in webMAN and webMAN MOD plugins. It's takes less resources and can be a better solution. but you can't go wrong with either utility as both will do the job of cooling your PS3, which is vital in keeping your PS3 lifespan strong (Especially in Older Model PS3 Consoles which are prone to overheating) View all the details of this update by Orion below.
Changelog v3.06 - GameSonic Fan Control Utility
- Added Payload 4.70
- New detection method CFW
Update: Changelog v3.07
- this is a little fix for CFW 4.70
Source: GameSonic.it - via Orion (PSX-Place)