Bios Mods -The Best BIOS Update and Modification Source

Hello all brother, i wanna know if some one of yours can help me to unlock more options in Asus Qfan ,Because when you enable it,
Start Fan Voltage 4.0 - 6.0 v
Start Fan Temp 25 - 49
Max Fan Speed Temp 51 - 75

I want know if can unlock starts Voltages, and more temps avaiables in selection. Or in best case, difference options for CPU FAN and SYSTEM FAN.

My motherboard is Asus M4A785TD-V Evo
Here http://www.asus.com/product.aspx?P_ID=fcsXWSxnhzZE9rnR

M4A785TD-V EVO BIOS 2105 754.16 (KBytes) 2010/08/12
This is the last bios.


Thanks alot.