there exists a tool which allows me to turn completely off the graphic card fan?
In the past, I had a graphic card (Sapphire 4870 Vapor X), which automatically goes to "passive mode" when in idle.
If there is not any tool for doing this (I currently have a GTX460), do you know any graphic card that natively has this behaviour in the range of AMD 7850/7870? I think it's a matter of BIOS settings, according to the install cooling system...
you cant on the newer nvidia cards unless you change the bios settings of the card. most of them are hard coded for 30-40 percent fan speed at post.there are programs like msi after burner that you can set fan profile to adjust the card fan speed.