enermax capacitor mod

[khanage]

ive just got a DFI LanParty UT-X48-T2R but my enermax galaxy 1000 isnt working with it.
ive been reading about it and it seems a long standing issue between the manufacturers,the problem is the pwr_ok signal isnt strong enough.
ive read there is a resistor mod that can be done between the pwr_ok and a 5v lead but cant find any info on what resistor i need.

any ideas?

a new psu isnt an option at the mo,i know the galaxy is working fine because im using now with my striker extreme,e6600@3.5,4870x2,2x raptor x.
will the galaxy be ok to run another 4870x2 in crossfire?thats the main reason for the new mobo.

cheers dave

[Neuromancer]

Should be fine for another 4870x2 assuming you have enough PCIE cables.

[Flurp]

have you tried the motherboard with another PSU? Can you RMA the PSU?

[larrymoencurly]

Is the problem the strength or the timing? Because sometimes the voltage of the signal can be increased by wiring a 1,000-2,000 ohm resistor between the green wire and any red wire. OTOH to delay the Power-Good signal some more, splice something like a 300 ohm resistor inline with the green wire, and connect the end closest to the mobo power connector to the positive terminal of a capacitor rated hundreds or even a few thousands of microfarads, the negative terminal to ground (black wire).

[khanage]

from what ive read the problem is theres not enough power being fed back to the psu on the pwr_ok line(grey wire)

i got it wrong in the first post about being a capacitor needed and it is a resistor i need so i think you may have answered my question.

have you got a diagram of the what i need to do or a link to a site with one?

cheers dave

[larrymoencurly]

1K - 2K resistor between grey and red wires. I'd try jamming it into the back of the mobo connector. If the fit is loose, get a 1/2 watt resistor because its wire leads are usually thicker. See: "pull-up resistor".

[sandyduff]

I have an Enermax Galaxy 1000w and i was running 2 4870x2's in crossfire... worked fine. what connectors are you using for the cards and where do they originate from the PSU?

I had a problem where i hooked them up wrong and they didn't work... but if you hook them up correctly they work fine