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i7 920 on ASRock x58 Extreme: help getting from 3.8GHz to 4GHz - Page 2

post #11 of 70
Thread Starter 
Temps @1.625v are around 76C, up to 82C, and sometimes 73C (Linx ~100% load). Explanation please?
Edit: I just saw 87C, I'm less worried now?
Edited by adriangb - 3/1/11 at 3:51pm
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post #12 of 70
I don't think Mugen will handle i7 at 4GHz. What is Your currnet CPU vcore? Because on the previous page i saw you set it up at 1.6v o.O
Edited by sp4wners - 3/1/11 at 3:52pm
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post #13 of 70
Thread Starter 
Quote:
Originally Posted by sp4wners View Post
I don't think Mugen will handle i7 at 4GHz
I thought it was within a step of TRUE, Megahalems, etc?
My setup will surely make it to 4GHz in winter (now ambient is probably ~33C, in winter it's more like 15C, so my temps would go from 87C to 70C, i.e.: I could probably do 1.4v vcore)

My current vcore: no, that was surely a typo (2nd one voltage related on this forum, lol, they always cause confusion). I'm at 1.3625v according to my BIOS (if my memory serves me well), 1.344v according to CPUz and OCCT
Edited by adriangb - 3/1/11 at 3:57pm
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post #14 of 70
Holy cow!! If you're correct in your CPU VCore, it's way too high. You could be close to frying your chip. You should keep it under 1.400V to be safe. Also, you really shouldn't need anything higher than 1.350V for 4 GHz.

EDIT: Saw your correction.
.
Edited by B-Con - 3/1/11 at 4:02pm
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post #15 of 70
Quote:
Originally Posted by adriangb View Post
I thought it was within a step of TRUE, Megahalems, etc?
My setup will surely make it to 4GHz in winter (now ambient is probably ~33C, in winter it's more like 15C, so my temps would go from 87C to 70C, i.e.: I could probably do 1.4v vcore)

My current vcore: no, that was surely a typo (2nd one voltage related on this forum, lol, they always cause confusion). I'm at 1.3625v according to my BIOS (if my memory serves me well), 1.344v according to CPUz and OCCT
Idle temps, and stress temps are way different my friend. And lower Your CPU vcore, You want to fry Your chip? 1.6 is way too high. And no, You couldn't do 1.4 with mugen lol. As far as I know Megahalem and True are better performers than mugen o.O

Edit: Ok, I thought You set vcore at 1.6
Edited by sp4wners - 3/1/11 at 4:03pm
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post #16 of 70
Thread Starter 
Quote:
Originally Posted by B-Con View Post
Holy cow!! If you're correct in your CPU VCore, it's way too high. You could be close to frying your chip. You should keep it under 1.400V to be safe. Also, you really shouldn't need anything higher than 1.350V for 4 GHz.
.
Sorry for the typo , I've corrected it, read my post (above).
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post #17 of 70
Thread Starter 
Guys, we're just all posting too fast, and not reading what the other just posted
To clarify:
I'M OBVIOUSLY NOT RUNNING 1.6v vCore. THAT WAS A TYPO!.
Right now I'm running 1.3625v vcore, and 30m into Linx with a max temp of 87C on one core (86C, 87C, 81C, and 82C for all four different cores).
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post #18 of 70
What is Your CPU stepping? C0 or D0?
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post #19 of 70
Thread Starter 
Quote:
Originally Posted by sp4wners View Post
What is Your CPU stepping? C0 or D0?
D0 stepping 5

I just got "CPU too hot!" (87C as per my OCCT settings) 29m into Linx (actually, I use OCCT Linpack, but It's ok if I call it Linx right? They'r both linpack based...) max settings
Edited by adriangb - 3/1/11 at 4:24pm
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post #20 of 70
Thread Starter 
211x19 appears to be more stable on my board (i.e, with 1.325v I could boot into Windows vs not being able to with 191x21).
At 211x19 w/ 1.35v vCore, VTT=1.34v, CPU PLL=1.82v, 1.65v DRAM (mine is rated for 1600 @1.6, so since it's a few MHz over I gave it a little extra juice) and evereything else at stock, OCCT Linpack freezes in <20s. CPU temps get to 80C (and then it freezes). I tried lowering the vCore (1.325), but I got the 124 BSOD.
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