I have one fan connected to the CPU Fan header, and my 2nd fan connected to my SysFan header that is on the top edge of the mobo as well.
If you have 2 PWM fans and you would like to use PWM function to control your fan speeds then you could buy one of the Akasa PWM fan splitter cables.
http://overclockers.co.uk/showproduct.php?prodid=CB-031-AK
If you have 2 PWM fans and you would like to use PWM function to control your fan speeds then you could buy one of the Akasa PWM fan splitter cables.
http://overclockers.co.uk/showproduct.php?prodid=CB-031-AK