I5 750 Problem

[Fudd Rucker]

Im really not sure what to throw out there. Mine hit the settings I have first try without a problem and our systems are very similiar.

[mattlef]

So to be sure, your chip is not responding to any voltage increases at all?

try 180blck @1.42, if it posts, up the blck untill it doesnt post.... go back to where it did post and run OCCT to check for stability.
try upping your ram voltages to 1.9 instead of the 2.1 I had recommended before.... It could be the ram needs more volts to run at the speed we're asking it.

[MarkOne]

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Originally Posted by gingerbee

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[MikeScott]

Started loading W7, but crashed right away.

Originally Posted by mattlef

So to be sure, your chip is not responding to any voltage increases at all?

try 180blck @1.42, if it posts, up the blck untill it doesnt post.... go back to where it did post and run OCCT to check for stability.
try upping your ram voltages to 1.9 instead of the 2.1 I had recommended before.... It could be the ram needs more volts to run at the speed we're asking it.

[FiXT]

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[MikeScott]

It seems no matter what voltage I have, anything over a 161 BCLK results in W& freezing up during the loading process.

EDIT: Also using the ASUS auto-tuner in either BIOS or W7 results in the same thing, as soon as it sets BCLK above 161, W7 will not load.

[mattlef]

Originally Posted by MikeScott

It seems no matter what voltage I have, anything over a 161 BCLK results in W& freezing up during the loading process.

EDIT: Also using the ASUS auto-tuner in either BIOS or W7 results in the same thing, as soon as it sets BCLK above 161, W7 will not load.

I'm at a loss... do you have just the 4pin CPU or 8pin CPU plugged into the mobo?
As well, did you up the ram volts?

[MikeScott]

No idea on the pin. I did up the RAM volts though, yes.

When the Auto-Tuner runs it's stability tests, it passes all the way up to 191 BCLK (as high as I've made it go). So I'm starting to think this has to do more with W7 startup...

[mattlef]

Top left hand side of the motherboard, its it a square connector, or rectangular? If Square, is there a black tab right next to it? does that 4pin have another 4pin connected? if so..... make sure you have both pluged in to be the CPU 8pin....

if it looks like this:


take off the black tab, and plug in the other 4pin connecter.. (with the computer turned off and psu unplugged....)

They should go together like in the pic below:

[Fudd Rucker]

Thats what I was getting at. This sounded like a power issue to me. Also enable your load line calibration to help with vdroop issues.Because im getting 3.33ghz 166x21 with almost everything set to auto for stock settings with zero issues. Try pulling one card out out see what happens.