Originally Posted by lightsout
Sorry I haven't been keeping up have you tried each separately to see if one has issues?
Yes and both are stable now , i had 3 TOP cards that were unstable at stock but now i have my original TOP which is 100% stable and non TOP which was running Heaven for 40 min on stock and no crash , than i upped boost clock to 1100 and it was still stable.
Problem starts when in SLI , they crash instantly , if i synchronize both to the non TOP clocks (980Mhz) or underclock to 900Mhz they survive a single pass but they crash right at the beginning of the second tried couple of times.
This leads me to think it might be my PSU as i don't have four "proper" six pin connectors so i had to route two from 4 pin molex using cables supplied with the cards.
I'm about to order new PSU but still not 100% sure , 700W should be enough for 670 SLI , some advice would be very welcomed.
This is what i used to route the power :Edited by RobotDevil666 - 6/21/12 at 8:18am