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The truth about Sandy Bridge "VID" (Voltage range) - Page 5

post #41 of 70
Quote:
Originally Posted by cba1986 View Post
For 2600k users. If you don't need HT. Disabling it allow you to have more room to OC. With 1.35 i have 4.5 HT stable but when i tried 4.6 fails after 3 minutes.
Disabling HT allows me to use 1.35 for 4.6 and it is prime95 stable for one and a half hours.
This is gonna be my 24/7 system.
defies the whole purpose of getting a 2600k in the first place.
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post #42 of 70
Im at 1.35v for 4.6ghz. Brand new chip.

What else should I be looking at for a solid higher OC?
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post #43 of 70
Quote:
Originally Posted by cba1986 View Post
For 2600k users. If you don't need HT. Disabling it allow you to have more room to OC. With 1.35 i have 4.5 HT stable but when i tried 4.6 fails after 3 minutes.
Disabling HT allows me to use 1.35 for 4.6 and it is prime95 stable for one and a half hours.
This is gonna be my 24/7 system.
I bought my 2600k for HT
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post #44 of 70
Thread Starter 
Quote:
Originally Posted by EarlZ View Post
The voltages I set in bios is "NORMAL" with a +0.040 offset to give it 1.360v (With LLC Enabled) when loaded, its about 1.368v with a DDM.. I kinda wish there was a bios setting to have the voltages no go under 1.100v when Idle but still drop when idle.



Its been proven for a long time that batches dont matter, some people had the 3-5 of the same batch and the overclocking was purely random.


EDIT, CORRECTION:

+0.040 gives me 1.380v loaded.
+0.030 gives me 1.364v loaded.

Falk,
In your opinion should I push 1.464v for 4.8Ghz with C1E ?
I'm honestly not sure. Something wrong with 4.5 ghz? I've been at 5 ghz for 2 weeks, at 1.5v with C1E, and no problems (besides my DVD drive dying...only recognizes disks if I don't use it for hours....sad thing is I only burned like 6 disks in it and never used it for anything, anyway...won't be going with LG on Monday for sure)
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post #45 of 70
I didn't think that i was get flamed for throwing a thought in this place.

And not defies anything. You can disable HT and get a higher OC for gaming and enable it for rendering/folding/benchmarking.
Edited by cba1986 - 6/5/11 at 3:46pm
post #46 of 70
Enabled or Disabled HT does not allow my processor to get higher overclocks, but the voltage drop with HT is bigger.
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post #47 of 70
i think for almost all CPUs, less than 1.4v is what you want
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post #48 of 70
I tried the 1.52V in bios, No LLC and P95 @ Small FFT's. Got 1.380V under load. 1.460V Idle.

Heck i'll keep pushing 1.41v @ 4.8Ghz, if it dies i will RMA the damn chip and get a new one, or just buy a new one.
post #49 of 70
Right now i settled for 4.6 at 1.36. I don't gonna tested with prime95 because i know that 4.6 at 1.35 will be near 2 hours prime stable before a core fails.
So i guess that 1.36 will be more than sufficient to mantein 4.6 stable for a long run. And how i didn't have any crossfire more OC will be a waste. I don't fold or do any heavy stuff just some gaming.
So i really don't care if this OC doesn't pass the 12 hours mark as long it works.

One last question do you think i will see some degradation at this voltages?
I don't think so but you never know. I use my PC my for only 6-7 hours per day and mostly i use it to do low level stuff.
post #50 of 70
Thread Starter 
Quote:
Originally Posted by Eggy88 View Post
I tried the 1.52V in bios, No LLC and P95 @ Small FFT's. Got 1.380V under load. 1.460V Idle.

Heck i'll keep pushing 1.41v @ 4.8Ghz, if it dies i will RMA the damn chip and get a new one, or just buy a new one.
^^
Now you know where the old max 1.38v 24/7 came from.
But back then, no one realized it was 1.52v+ vdroop without LLC

But now we know...Sounds like Intel realized we were using LLC or something....
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