Slow ANTMINER S5 (new) - help need

Hi.

I got a new S5 antminer and I have a 750W power supply.

i have tried several frequency but the best i got was arround the 600GH/S AVG.

It start high then goes down and down. At 350 of frequency its gets to 96GH/S :(

Any help, please?

http://bit.ly/1MZDbTY

Submitted August 01, 2015 at 08:42PM by ElClub69 http://bit.ly/1MBe2Rv