@nst6563:
S4 documentation details voltage field.
Probably correlates to bitmain-voltage option that can be seen in cgminer help
cgminer --help | grep voltage
Ah yes...thanks. Looks like settings 072 would give you 0.72v, and 082 would give .82v.
I have an s3 that won't do much over 420ghs....I might give it a shot on that one.