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Sandy Bridge E Overclocking Guide Walk through, Explanations, and Support for all X79 Overclockers - Page 26

post #251 of 397
I got my 3930k running at 4.6 46 multiplier 100 blck and 1.320 vcore it passed every test intel, prime etc. And has never crashed. Although I got an overclocking failed message in bios today - I was plugging in the monitor as it was booting - not got to the bottom if that yet...

Not tried offset - is there any point to offsetting voltage? Only saves a bit of electricity no? Guess maybe for 24/7...
Edited by dpl2007 - 2/21/13 at 4:06pm
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post #252 of 397
Offset is only useful if you're using power saving features,then you don't neccessarily want your CPU working at 1.320v when it's clocked to 1.2 Ghz.

I don't see why you wouldn't want it on, unless you're just benching.
post #253 of 397
Keep VCore and VCCSA(IMC or System Agent voltage) as close together(.4-.3v) as possible for maximum stability, this is recommended by Intel.


What do you mean by this? If i have a Vcore of 1.45v, should Vcc and IMC be 1.35v then?
     
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post #254 of 397
Quote:
Originally Posted by Kitler View Post

Would changing BLCK and multiplier make it easier to achieve stability at a given vcore?

I am having a hard time getting 4.7ghz and 1.390 vcore. Also, I am unable to get 4.8ghz at 1.4v and I am afraid to travel above, per suggestions in this thread.

Do these voltages seem normal? I am not sure if there are any other settings on the R4F that might help, apart from VTT and VCCSA.

OCing the 3930k seems like a delicate balancing act tongue.gif.


P.S. Thank you to Kc

IT IS... it's a pain in the ass compared to OCing i7 3770k. That one was literally "set vCore and ghz, done!" This one, more crap to contend with like IMC, vCC... god knows what else -_-
     
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post #255 of 397
Quote:
Originally Posted by crotach View Post

Offset is only useful if you're using power saving features,then you don't neccessarily want your CPU working at 1.320v when it's clocked to 1.2 Ghz.

I don't see why you wouldn't want it on, unless you're just benching.

Yer I guess it was because I thought its more likely to be unstable. I may try it as I do have the stepping / turbo etc. on. What would you recomend for offset setting? On a 3930k @ 4.6 1.320 vcore stable already. I assume it does no harm not offsetting anyway...
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My old System
(13 items)
 
 
CPUMotherboardGraphicsGraphics
i7 3930k @ 4.6ghz Asus p9x79 pro ATI R9 290 4GB sapphire tri x OC ATI R9 290 4GB sapphire tri x OC 
RAMHard DriveHard DriveHard Drive
64gb Ballistix VLP sport 1600 mhz 9-9-9-24  Samsung 840 pro (OS drive) Samsung 840 pro (Cache drive) Seagate constellation es 1tb (RAID 10) 
Hard DriveHard DriveHard DriveOptical Drive
Seagate constellation es 1tb (RAID 10) Seagate constellation es 1tb (RAID 10) Seagate constellation es 1tb (RAID 10) blu ray writer - pioneer 12x 
CoolingOSKeyboardPower
NH-D14 SE2011  win 8 pro 64 bit sidewinder x4 Microsoft Windows 1250w OCZ ZX series 
Case
nzxt phantom 820 
CPUMotherboardGraphicsRAM
QX6700 P5K Deluxe/WiFi-AP ATI 2900xt 1GB DDR4 Ballistix 8GB PC2-8500C5 (BL2KIT12864AA1065) 
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2x WD Raptor WD1500ADFD 150GB SATA 10KRPM Samsung SH-S183ABEBN DVD±RW Dual Layer windows 7 pro Thermaltake Toughpower 1200W Modular PSU 
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post #256 of 397
Quick question for all you OC pundits :

My rig is composed of a Rampage IV-E, a 3960x and 4*4gb Gskill. The CPU is cooled by a corsair H80.

I'm getting 4.4ghz with 44x, 100 mhz baseclock. 1.296v (1.3 in bios) and really 1.27 under load. My temps are 64-69°C under OCCT CPU (large data set).
I set every other option in the bios to default except for all the C1 state / power saving modes shenanigans to off.

What do you guys think of these results, especially based on my speed vs vcore vs temps ?

While I'm at it, are there any options in the bios I should enable / disable for proper operation of my rig (I'm assuming leaving all the options I don't understand - and there are a whole lot of'em - to default is a good thing, but maybe I'm wrong) ?

Thanks a lot in advance for your inputs wink.gif
post #257 of 397
Quote:
Originally Posted by hifibuff View Post

Quick question for all you OC pundits :

My rig is composed of a Rampage IV-E, a 3960x and 4*4gb Gskill. The CPU is cooled by a corsair H80.

I'm getting 4.4ghz with 44x, 100 mhz baseclock. 1.296v (1.3 in bios) and really 1.27 under load. My temps are 64-69°C under OCCT CPU (large data set).
I set every other option in the bios to default except for all the C1 state / power saving modes shenanigans to off.

What do you guys think of these results, especially based on my speed vs vcore vs temps ?

While I'm at it, are there any options in the bios I should enable / disable for proper operation of my rig (I'm assuming leaving all the options I don't understand - and there are a whole lot of'em - to default is a good thing, but maybe I'm wrong) ?

Thanks a lot in advance for your inputs wink.gif

That's a good Vcore for 4.4ghz and pretty good temps (I'd test it in p95 as I'm not sure if OCCT stress the CPU like p95 does), Try leaving C1 and C3 on and check for stability, no reason to keep them off unless you can't get a stable OC with them on.
You can play around with offset too, check your CPU VID under load and apply the necessary offset (+ or -) to get to your current Vcore, there are offset tutorials around that can help you with that.
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post #258 of 397
Thanks for your reply.
I tried P95, got the same temps more or less.

However, I hadn't noticed so far but I got an 11°C delta between the coldest and the hottest core. Is that normal ? Do you think it could be due to a not-so-optimal installation of the H80 ?
post #259 of 397
Quote:
Originally Posted by hifibuff View Post

Thanks for your reply.
I tried P95, got the same temps more or less.

However, I hadn't noticed so far but I got an 11°C delta between the coldest and the hottest core. Is that normal ? Do you think it could be due to a not-so-optimal installation of the H80 ?

I had the same doubt when I installed mine, and after reseating it 3 times with MX-4 having the same results, I assumed it was normal, in my case my coldest is Core0 and highest Core4.
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post #260 of 397
There goes the guilt of having bonked the H80 installation tongue.gif Well at least I'm not wasting any thermal paste trying to reseat the whole thing for the exact same result :/

Off to tweaking the offset now !
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