Re: GekkoScience NewPac / Terminus R606 (BM1387) Official Support Thread
- I have tried using these commands in terminal with my details before running cgminer --gekko-newpac-freq 200 --gekko-2pac-freq 150, however they just mine at their standard rate of 100mHz. 
I don't have any of these sticks so I don't have any first hand experience with them.
However, does CGMiner attempt to try the higher frequency and then adjust down? Or does it not even try the speed you specify?
Also which build of CGMiner do you have?
Have you tried the different type of sticks by themselves to isolate the issue?
Have you tried them without the USB Hub?