4.5ghz - What Am I Doing Wrong?

I have just tried your settings again (x45 though) and ended up in no end of trouble!

Then tried to load the 4.2Ghz BIOS settings i had saved and even that wouldnt load.

Back to stock speeds now. By setting things at board defaults it now shows in CPU-Z that the Ram is at 9-9-9-24 and FSB Dram 1:6 Is that indicating 1.6v? I have set the DRAM manually to 1.5 in bios

Even if i up the LLC to 7 or 8 what exactly am i achieving? From what i am reading, it will compensate for the drop of the Vcore when under load. Do does increasing the LLC up the vcore voltage when under load?
 
Aint that the truth!

I guess there is no way i could go back to the retailer and ask for a replacement... As they will say that if it works at stock speeds then its good to go... the fact it cant be O/C'd is not their problem.

Thats a bit of a bummer i am having problems. The reason for the new build was to have a pc which was powerfull enough to last a few years.
 
Have you thought that maybe it isnt your chip thats playing up....its windows?

Your errors seems to be windows related.
 
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Not all the settings i have tried even get that far. Lots of the settings crash before it even makes it to the desktop.

I guess i could do a complete new build, install only the bare minimum then have another go at overclocking.
 
Right,
[Stage 1] Go back into BIOS and default everything, boot back up and do a stress test (make sure thats stable). 5 runs of IBT on high should be enough for now.

[Stage 2] Then back into BIOS and change the RAM down to 1.5v and 1333mhz (ignore timings). Boot back up and stress again.

[Stage 3] If its stable, back into BIOS and change the multiplier up to 40. Boot and stress.

[Stage 4] If its still stable, multiplier up to 42. Boot and stress.

[Stage 5] If its still stable, multiplier up to 45. Boot and stress (On this stress test, keep an eye on your CPU voltage, ensuring it doesnt go above 1.4v).

If it BSOD on any, tell me what stage.

Report back when youve done that....and do each step with a screen shot.


Out of curiosity, what programs do you have for monitoring your stressing?
 
Ok, ill do the above and screen shot.

I am using CPU-Z for vcore, but tend to trust TouchBIOS as they are different.

I then use IBT on high to run the first stress test, followed by Prime95
 
Right, download "Realtemp" as well, just to monitor your temps.

IMHO, CPU-z is more accurate than any manufacture "TrueBIOS" software. At least with CPU-z, a lot of people can understand the problem. I personally can understand CPU-z more than TouchBIOS.
 
You're gonna love this...

Went into BIOS and did a Fail Safe Bios load, rebooted into Windows.

Ran the stress test on high for 5 runs
Vcore peaked at 1.224v
Temps 56c on all 4 cores (average)
Ram was set by BIOS to 1066 @ 1.50v

Rebooted and changed Ram to 1333
Started the stress test again and got BSOD just as 2nd run started.
 
Whhaaaaaa....duz u gotz fawty RAM?

Thats obviously showing something memory related and the only thing you can do right now is test 1 stick at a time.

Download Memtest and test your RAM, might be dead/ dying.


Although, Im not sure what Im more puzzled at. Auto underclock to 1066 or fail at still underclocked and normally "failsafe" 1333mhz.

You sure your RAM is 1600mhz?
 
Yes the Ram is certainly 1600mhz I have had it running at that speed already.

Just in case the BIOS did not totally clear, i have re flashed the bios and will run the tests again. If it fails, ill remove one stick and see what happens.


Cant post Pics BTW
 
Right, seems like we're getting somewhere..

Multiplier set to 40, so running at 4ghz
Loaded Profile1 for RAM which is now showing 1600mhz with 9-9-9-24 Timing. 1.50v

Vcore was 1.30v

IBT 5 Runs on high - No problems
IBT 10 Runs on high - No Problems (Temps peaked at 74 for a moment on one core)

Ill now up to 4.2Ghz and test again
 
Keep going up until vcore is almost 1.4v, then start backing it down and setting the vcore manually.

IF your board will allow, you should be able to hit about 4.5GHz with about 1.3v.
 
4.2Ghz just on the multiplier.

IBT 5 Runs - 1.308v peaked at 74c for a second or two, but averaged out about 62c

So, keep upping the Multiplier one step - No changes to any other settings? VCore on the runs have been on Auto at the moment.
 
Went to 4.3 and ran IBT on 5 runs on high, it passed ok. Went to open a webpage and BSOD.

Back down to 4.2 and ran IBT for 10 runs on Standard and 5 runs on High to quickly confrim stability, and all was good.

From what i am learning, its now a case of changing the Vcore to a level where it remains stable, but also controlling the drop in voltage as the load increases?
 
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