Fan Group
In this boxed area you will see
3 Fans that the LM78, LM78-j, LM79, WinBond W83781D, WinBond W83782D can monitor and it's RPM behind it.
or
2 Fans the WinBond W83783S GL518SM and GL520SM can monitor and it’s RPM behind it.
To be able to view fan RPM you need to have fans with 3 pins on it; 1 pin for the +12v, 1 pin for the ground and 1 pin for the RPM. These fans need to be connected to the Motherboard, so check your motherboard to see if you have special connectors for this before you rush out and buy one of these Fans.
If the RPM of your fans is not the same as in the BIOS or to set an alarm on a fan check out the Fan Tab .
To Rename the Fan's check out the Visual Tab