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Gigabyte EP45-UD3 Series Owners Guide - Page 1741

post #17401 of 21186
Right thanx man I changed your recommended values. It boots up ok and is running right now but when I run Prime95 it fails after 20/30 seconds. I cant seem to find the stress text file?

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post #17402 of 21186
Quote:
Originally Posted by AAAthreat View Post
Right thanx man I changed your recommended values. It boots up ok and is running right now but when I run Prime95 it fails after 20/30 seconds. I cant seem to find the stress text file?
You were stable at 3.2 right?

If so try this:
Code:
CPU
Load Line Calibration (LLC) .........:  Enabled
CPU Vcore............................: 1.50
CPU Termination.....1.200V*..........: 1.44
CPU PLL.............1.500V*..........: 1.55
CPU Referen.........0.755V*..........:Auto

MCH/ICH
MCH Core............1.100V...........: 1.36
Judging from your CPU-Z reading that should boot up at 1.48v, that should be enough for that cpu...
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post #17403 of 21186
Again thanx I feel like a complete noob with this board my old Asrock board didn't have half of these OC ing settings in the bios. Ill try your new settings and yes it was stable at 3.2 but I made a mistake it was a 10x not 8x, sorry.

Ohh I tried using a 10x to get 3.4 (keeping the V settings you suggested) and ran Orthos for 14 mins and it seemed stable, ill need to let it run longer and see how it handles the new settings.

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post #17404 of 21186
Well 3.4 ghz seems stable and it boots up 3.5 but Orthos failed, I might have hit the limit, this was done using your changed voltages. I might try using a lower mutiplyer and sees if its more stable at 3.5.

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post #17405 of 21186
Even tho the P45 wont hold you back as far as FSB goes the cpu might. The CPU Term (aka PLL) is in correlation with the cpu fsb. So higher fsb = more voltage.

Just trial and error. I would suggest the 350 x 10 and just give a little bump to the vcore. Max "safe" voltage for that cpu is 1.50v, cpu-z is still reading 1.47 so maybe bump it.

I did a little researching it and it seems the max of those cpu's was around 3.4 - 3.5 so try 340 and then if thats stable go for 350. ( i forgot how good we have it these days with 400 fsb being a cake walk)

If your not caring about the lifespan of the cpu you could get brave and up the cpu v to 1.55 or so. Just keep an eye on temps, as long as they stay below 70c - 75c in orthos you should be good...
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post #17406 of 21186
That's strange I changed it to 1.5 in the bios im gonna go back in and check it again. I think your right 3.4/3.5 seems to be the limit for these chips.

http://www.overclock.net/1875888-post217.html

http://www.overclock.net/1487049-post169.html

I don't know why its sitting at 1.47?




Edited by AAAthreat - 11/18/10 at 12:40pm
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post #17407 of 21186
Quote:
Originally Posted by AAAthreat View Post
That's strange I changed it to 1.5 in the bios im gonna go back in and check it again. I think your right 3.4/3.5 seems to be the limit for these chips.

http://www.overclock.net/1875888-post217.html

http://www.overclock.net/1487049-post169.html

I don't know why its sitting at 1.47?
Its natural. "vdroop" & "vdrop", it will be a little lower than what you set in bios, and if you were to disable Load Line Calibration it would drop to 1.42 when you started stressing it.
It is a safety precaution us overclockers just dont need

1.52 would put you right about 1.49 in windows.
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post #17408 of 21186
Damn what a difference between E6700 B2 & E6750 G0 (1066 vs 1333MHz FSB) as my E6750 G0 VID = 1.275V on my P5Q Pro (back in 2008) easy hit 3.6GHz on stock voltage and 3.9GHz w/ 1.3875V (4GHz w/ 1.45V) all ROCK SOLID and topped @ 533MHz FSB due RAM limitation..

Shame that E6700 can't get even close to that..

CHEERS..
     
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post #17409 of 21186
Quote:
Its natural. "vdroop" & "vdrop", it will be a little lower than what you set in bios, and if you were to disable Load Line Calibration it would drop to 1.42 when you started stressing it.
It is a safety precaution us overclockers just dont need

1.52 would put you right about 1.49 in windows.
__________________
Ive just noticed that thanx alot man, I set it to 1.53 in the BIOS and in windows its sitting at 1.5 or just above. It seems stable at 3.5 with the voltages turned up and using a 10X divider. Ill let you know how I get on at 3.5 maybe even try for 3.6 if 3.5 is stable. Thanx again to you and Papa smurf you have really helped I didn't even think I could manage 3.3 never mind 3.5 .

Quote:
Damn what a difference between E6700 B2 & E6750 G0 (1066 vs 1333MHz FSB) as my E6750 G0 VID = 1.275V on my P5Q Pro (back in 2008) easy hit 3.6GHz on stock voltage and 3.9GHz w/ 1.3875V (4GHz w/ 1.45V) all ROCK SOLID and topped @ 533MHz FSB due RAM limitation..

Shame that E6700 can't get even close to that..

CHEERS..
Christ I think I need a new chip that's shocking how much less voltage you need to use and you still get better speeds.
Edited by AAAthreat - 11/18/10 at 3:23pm
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post #17410 of 21186
Quote:
Originally Posted by AAAthreat View Post

Christ I think I need a new chip that's shocking how much less voltagesyou need to use and you still get better speeds.
If you get a new one get a 45nm, q9550 if you can... They hit 4.0 pretty easy on this board..

Good luck with your stress test, let it run a good 10 - 12 hours...
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