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Overclocking i7-4930k Help - Page 76

post #751 of 1417
Sorry some are not getting what they think they should but I count myself amongst the very lucky running 24\7 stable 32gb 2400 dominator plats 4960X 4.8 at 1.350 and like said by someone little further up on this thread everything I throw at my system every game you can think of and im rock solid but it did take three chips to get the golden chip I have now and I'm still on bios 403 if it ain't broke don't screw it up....good luck to all Ive- e rocks!!! O and 95% of my bios setting are set to auto!!! Under excellent water cooling...
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I7 4960x 4.8 at 1.350v 56c at load Rampage iv BE tri-sli titan evga sc running xspc razer waterb... 32gb Dominator platinum 2400c10 
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My System
(18 items)
 
  
CPUMotherboardGraphicsRAM
I7 4960x 4.8 at 1.350v 56c at load Rampage iv BE tri-sli titan evga sc running xspc razer waterb... 32gb Dominator platinum 2400c10 
Hard DriveHard DriveHard DriveOptical Drive
Intel 520 240gb samsung evo 1TB × 2 2 wd 4 tb hard drives Samsung blue-ray × 2 
CoolingOSMonitorKeyboard
two D5 1 480 acool 1 360 acool 1 240 xspc  Window 7 pro 64 bit windows 8.1 dual boot Four asus 26.5 6000×1200 + accessory display G-19 
PowerCaseMouseAudio
Corsair ax1200 watt 900D rat 9 Bose cinemate GS2 Awsome!!!! 
Other
lots of awsome watercooling 
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post #752 of 1417
Quote:
Originally Posted by sam66er View Post

The best i can run is 4500 Mhz with Qaud channel 1866 mhz speed on P9X79 pro 4930.

Memory = XMP quad channel 1866 Mhz 9,11,11,31,2
BLCK = 100 x ratio of 45
Vcore = 1.385 v
CPU VCCSA = 1.15 v
CPU PLL = 1.2 v
VTTCPU = 1.175 v
If you are running quad channel four banks of memory
VTTDDR CH AB = 0.8 v
VTTDDR CH CD = 0.8 v
all will be auto and disable all power saving mode and all spread spectrum.Disable intel speed step technology and enable turbo mode only. enable all over voltage and disable intel adaptive thermal monitor and disable all C state and disable anti surge support.

Digi + power control
CPU LLC and VCCSA LLC on high 120 to 130% . all will be auto frequency and on optimise to 120%.

I cant OC to 4600 mhz without passing 1.4 v on vcore .

Why is VTT so high? 1-1.15 optimally

Try for 4.6 on same voltage on 125 strap.

Lol @Ftimster. Three chips for 4.8 isn't exactly lucky! Nice chip though, that is unless you are running the XMP profile for those dimms. If so you'll be running 1.3v VCCSA which is why you can get the memory working wink.gif
Edited by Silent Scone - 3/23/14 at 12:45am
post #753 of 1417
Quote:
Originally Posted by Silent Scone View Post

Why is VTT so high? 1-1.15 optimally

Try for 4.6 on same voltage on 125 strap.

Lol @Ftimster. Three chips for 4.8 isn't exactly lucky! Nice chip though, that is unless you are running the XMP profile for those dimms. If so you'll be running 1.3v VCCSA which is why you can get the memory working wink.gif

I'm trying some things now, and see I can get better OC with lower Dram speed. I am using XMP, does that influence the OC like that timings are too tight?

My timings are now 11-12-11-30, The '30' is the TRAS correct? Would putting this on say 36 help?
post #754 of 1417
Probably not TRAS is relatively unimportant. The primary timings basically transcend in order of importance(excluding Command rate). Raw speed though is much more likely to impact possible cpu clocks. Timings are more limited to the DIMM capability AFAIK.

You shouldn't have a problem maxing out your cpu with RAM at 1866 or even 2133. After that you will probably need higher VCCSA. Try using 1.2v VCCSA with higher dram clocks

Ivye has a much stronger IMC than sandye. Although some may struggle with high density 32gb+ configurations. I have seen some people use 1.3v VCCSA for 32gb high frequency dimms which is too much for 24/7
Edited by Silent Scone - 3/23/14 at 2:32am
post #755 of 1417
Ive just fixed the dreaded BSOD 101 without raising Vcore.
See my sig for my spec.

I was running
4.8Ghz
1.37v Offset mode
Auto VTT - 1.1v
Auto VCCSA - 0.86v
1866Mhz Ram CL 10 1.5v 4x4GB

This system had been tested for 2hours prime with 1333Mhz 2x2GB for initial CPU OC using custom Blend.

Once the 4x4 kit was installed, immediately battling the 101 BSOD at around the 15-20min mark in Prime Blend. Fixed by raising offset to get Vcore to 1.4v.

Then reading that VCCSA should be within 0.05v of VTT, i tried rasing it to 1.05v. And reduced the offset to get 1.37v Vcore.

Now Prime95 2hours blend.

BSOD 101 is definitely not always VCore!

Edit
Crap just realised this is the 4930k thread lol. Advice above was for 3960x, but im sure its similar for Ivy-E.
Edited by jasjeet - 3/23/14 at 6:57am
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Lounge Gaming
(13 items)
 
NAS
(14 items)
 
Beast
(17 items)
 
CPUMotherboardGraphicsRAM
i7 7700k 4.9Ghz 1.312v Asus Z170i Pro Gaming MSI GAMING GTX 970 1545/3900Mhz 1.23v G.Skill Trident Z 2x8GB 3000Mhz 14-14-32 1.35v 
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Pioneer PDP4280XD Corsair RM650x Fractal Node 304 B&W 602S2's, B&W M1 Surround, Arendal Sub1 
Audio
Yamaha RX-A1010 
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post #756 of 1417
Correct. Once I get cpu ok mem will cause BSOD . obviously from quad channel jump to dual on next boot up. I just can't make it both balance. I got to up vtt to run on quad channel 4.5 kHz oc. Cpu consume too much vcore that I can't lower it no mattter how I adjust.
post #757 of 1417
Quote:
Originally Posted by Silent Scone View Post

Probably not TRAS is relatively unimportant. The primary timings basically transcend in order of importance(excluding Command rate). Raw speed though is much more likely to impact possible cpu clocks. Timings are more limited to the DIMM capability AFAIK.

You shouldn't have a problem maxing out your cpu with RAM at 1866 or even 2133. After that you will probably need higher VCCSA. Try using 1.2v VCCSA with higher dram clocks

Ivye has a much stronger IMC than sandye. Although some may struggle with high density 32gb+ configurations. I have seen some people use 1.3v VCCSA for 32gb high frequency dimms which is too much for 24/7

Is there a program to read the VCCSA and VTT voltages?

I'm using 16GB 2133 Mhz RAM that I run on 2200 Mhz, what VCCSA and VTT do you advice in this combination?
post #758 of 1417
As low as you can get it stable? Try VVT 1.1 - VCCSA @ 1.15 at first and work your way down / up.

Stock CPU you could run that kit in auto.
post #759 of 1417
Quote:
Originally Posted by Silent Scone View Post

As low as you can get it stable? Try VVT 1.1 - VCCSA @ 1.15 at first and work your way down / up.

Stock CPU you could run that kit in auto.

Yep, it does on stock, but I've a need for speed like all here on OC'net smile.gif

After a lot of tweaking I found the best stable settings for my rig while remaining under 1.3V:
CPU 4433Mhz on 1.295V (103.1 x 43) with RAM 1925Mhz 10-11-10-28-1

Ram 2133Mhz on 11-12-11-30-2 is almost as fast as 1925Mhz on tighter timings 10-11-10-28-1), RAM on 2133 was not stable with 1.295Vcore, RAM on 1925 with tighter timings is stable.

VCCSA manual V on Auto, VCCSA LoadLine EXTREME, VCCSA current 100%.

On my ASUS board I cannot easilly monitor VCCSA voltage. Found that it depends on RAM speed, what voltage is applied. Loadline on Extreme made OC stable where upping VCCSA did not. I do not see the logic of this, but I accept it for what it is. ASUS is not clear in the mobo userguide how this voltages work on auto or manual or offset....

BTW: I tried strap 125, but that didn't work for me rolleyes.gif
Edited by Mercy4You - 3/24/14 at 5:49am
post #760 of 1417
What board? Just set VCCSA manual voltage to 1.115 if unstable increase incrementally until it is
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