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post #41 of 65
Quote:
Originally Posted by SSJVegeta View Post
Its not looking good for 3GHz. I've just tried 1.41v on the vcore and after 5mins of Orthos the system reboot.

Core temps are also reaching 70c on full load @ 3GHz.

Would upping the RAM voltage allow me to go down on the vcore or does it not work like that?
alright you were stable at 350x8 with 1.337vcore...so you know you can hit 350fsb with no problems....

now i would try this....

raise your FSB to 375 using the 8x multi, the 1.337vcore, and raise your vdimm +1v or +2v from stock using 5-5-5-15 timings...if you do not post then keep raising your vcore one notch at a time...1.45vcore is the highest i think you could go before temps get too high...

Now if you never post at 375, i would try 380 and do the same process agian...i'm sure you can post 3Ghz with the 8x multi and lower vcore...we just have to find your sweet spot...

this cpu is funny....mine posts up to 408fsb...but won't post at 333, or 367fsb...so just because one fsb setting doesn't post, that does not mean you have to go lower fsb to post...sometime just trying to go up 5-15fsb will post...

so try everything between 350-400fsb...that is what i did, and how i ended up at 400fsb...i mean who would try 400fsb if 367fsb didn't post...lol...keep at it, i think you'll get it soon..

let me know..
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post #42 of 65
Quote:
Originally Posted by SSJVegeta View Post
Well, I haven't tried overclocking the RAM to 700MHz so I did that, all of the other settings bar voltage settings were already as you said they should be.





Just tested in Orthos for 25mins and seems stable so far compared to all of the other overclocks I tried and this is with close to stock voltage (1.337v) just as you said

According to a German review I read for my RAM, it can overclock to 900MHz without problem with 5-5-5-15 timings

Now, what settings to get to 3GHz?

Core Temp reported 60c on both cores.

Also does running at 8x multiplier instead of 9x but running at the same clock speed have any difference in performance?

Lastly, why does Windows, Orthos and Core Temp show the CPU speed as 3.15GHz?

Thanks!

350x8? Lol cmon man If I can do 9x350+ with these temps you should be able to as well. Try 9x350+
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post #43 of 65
Quote:
Originally Posted by Xeoc View Post
350x8? Lol cmon man If I can do 9x350+ with these temps you should be able to as well. Try 9x350+

he did that cause i asked him to..lol...he hits a thermal wall at 333fsb, b/c of his need for 1.44vcore...so temps keep him from running 9x350...

The 8x multi is a interesting thing...I have seen many people use it and gain some fsb from it...and not lose any performance...with 8x the most vcore i have seen used is 1.35....I only use 1.337 with 400fsb....its nice...and i tested it (at 3.2Ghz) and its a little faster in benchmarks than running 9x (3.2Ghz)...
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post #44 of 65
Quote:
Originally Posted by MuNcHeR23 View Post
he did that cause i asked him to..lol...he hits a thermal wall at 333fsb, b/c of his need for 1.44vcore...so temps keep him from running 9x350...

The 8x multi is a interesting thing...I have seen many people use it and gain some fsb from it...and not lose any performance...with 8x the most vcore i have seen used is 1.35....I only use 1.337 with 400fsb....its nice...and i tested it (at 3.2Ghz) and its a little faster in benchmarks than running 9x (3.2Ghz)...
Only because the ram is a bit underclocked. What I do is put my ram on a x2.5 multiplier so right now it's actually at 890mhz. In this case 9x356 will probably be faster since ram is at 890 while 800 in the other case.


And also, I'm on 1.45v. Temps sure do go high but they go high on any e4300 so I just ignore them lol
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post #45 of 65
Quote:
Originally Posted by Xeoc View Post
Only because the ram is a bit underclocked. What I do is put my ram on a x2.5 multiplier so right now it's actually at 890mhz. In this case 9x356 will probably be faster since ram is at 890 while 800 in the other case.

LOL..i thought of that too...i should have said that i used different multi's for the RAM...So in fact the RAM ran slower with 8x than with 9x...the 9x test had RAM at 890mhz with a 2.5x multi..The 8x test had RAM at 800mhz with a 2x multi...and both speeds with the same timings...

So with higher speeds on the RAM, more vcore, and higher temps the 9x performed the same or slightly worse than 8x....8x turned out to be the way for me to go...lower temps, lower vcore, and higher more stable fsb...

this is just my example...i can run 400fsb, most can't...so my example isn't the norm....i will run a few other tests around 3.0 and 2.8ghz to see if it does the same thing...
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post #46 of 65
Well, fsb doesn't affect performance on c2d so it must be error...
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post #47 of 65
Quote:
Originally Posted by Xeoc View Post
Well, fsb doesn't affect performance on c2d so it must be error...

idk if its an error...from what i keep reading, when you lower your multi you are raising your nbfsb...you can see this with windows controlpanel/system..if you ran 333fsb under 8x it will show you at 3.0ghz...if you run it 400fsb x8 it shows you at 3.6ghz...

idk how all this works really...it's too much for me to learn..but it would explain why i see hardly any difference in performance between 8x and 9x with 400fsb....
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post #48 of 65
Thread Starter 
Just an update.

I thought I'd try 350*8 on stock voltage and its rock solid.

So I tried 375*8 upto 1.41v and vdimm at 2.3 and the PC reboots while Orthos is running.

I'll try above 375 now.
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post #49 of 65
Quote:
Originally Posted by SSJVegeta View Post
Just an update.

I thought I'd try 350*8 on stock voltage and its rock solid.

So I tried 375*8 upto 1.41v and vdimm at 2.3 and the PC reboots while Orthos is running.

I'll try above 375 now.
Your ram voltage is a bit too high for those sticks I think, I'd suggest you back down to 2.2v or 2.15v.
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post #50 of 65
Quote:
Originally Posted by Acoma_Andy View Post
Your ram voltage is a bit too high for those sticks I think, I'd suggest you back down to 2.2v or 2.15v.
Agreed....1.9vdimm is stock..i wouldn't go above +.2v for an increase..



Quote:
Originally Posted by SSJVegeta View Post
Just an update.

I thought I'd try 350*8 on stock voltage and its rock solid.

So I tried 375*8 up to 1.41v and vdimm at 2.3 and the PC reboots while Orthos is running.
but you booted...thats a good thing..remember just the other day 375fsb seemed unobtainable... its better than a "no post" anyway...you're getting real close...

Could be that your RAM is holding you back at 375fsb (750Mhz for the RAM)...try running a memtest to see if its your RAM shutting you down at those speeds..

does anyone know if you can "unlock" the RAM multi for his motherboard (P5N-E SLI)...maybe run it lower than 2x....i thought i saw where someone said that is what they did..idk..
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