Re: GekkoScience Compac BM1384 Stickminer Official Support Thread
October 25, 2015, 06:34:57 PM
Reply with quote  #560
By reducing the resistance of the little unmarked resistor above left of the pot, you can increase the adjustable voltage range. Our hacked-up test stick "Max" has been altered to run between about 615 and 900 millivolts (and ran stable at 488MHz before my hub wasn't good enough to keep up). In order to keep power stable at higher draws, you'll want to make sure your USB hub has very low impedance on the power rails and make sure the voltage at the Compac always stays above 4V even during brief high-current surges. The input capacitors buffer out some of that but at very high current draw (400MHz/800mV is about 12.5A but the buck circuit is good for about 17A before any parts are out of spec) the input voltage may sag and cause havoc to the power controller. Beefy input lines, preferably with a big capacitor near the socket, will help quite a bit in pushing these things farther.

That's a big friggin' heatsink. Awesome.
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Is this legit for the OC club, cause I can get one made that is twice as big?