Just plug the USB directly into the Comp. USB port.
RGR that Bosco. I think I need a power USB Hub. Mine is plugged directy into the back of the PC. I have disabled all the "force feed-back" stuff in AH, I don't use the SST software(never installed it),unplugged ALL of the other USB devices (X52 is only thing plugged in), have latest and greatest drivers for X52 from Saitek web site downloaded and installed, according to Windows XP Home addition SP3 I have up to 500mA power resources available to my USB port and Windows reports 100mA required and used by X52 in that port.
I calibrate my X52 using Windows and re-calibrate in game before I ever start playing. I may play for 10 min and then lose cali in the joystick side only, throttle never goes out of cali. Then again, I may play for hours and hours straight and never have to re-cali at all. Usually it happens just as I engage in a hard pulling fight when the stick is moving around alot. And NO, the cable linking the throttle and joystick do not get moved around, always a tight connection. Sometimes I lose cali up to 10 times an hour, or even 10 times in 10 minutes. This is getting frustrating
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If a powered USB Hub doesn't fix this, I am taking the stick back to Best Buy and get it replaced, got a two year warranty
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