I found the actual control variable of Acer Aspire 4530 Fan.
It is actually a hex value located in the EC.
To access the EC Control Variables, Download and install Rw-Everything.
Next run the program.
Select EC Button to view the EC Variables
You should see the following as shown below:
If you set it to 13 then click done, you will quickly hear the fan spining at maximum speed.
Other values between 0-13 also alter the RPM but there are also values in between that does nothing.