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post #1721 of 8074
So is anyone selling their OC Formula if they go over to Haswell?
post #1722 of 8074
I can passed 32M with these setting, but with 2933 strap...still no go frown.gif



Do i have to try another memory kit to check if its ram or imc wall? What do you guys think about Team 2666C11? I already try sugestion to boot with lower BCLK, but its all the same.
post #1723 of 8074
lets get things started:)

PSC


Samsung


MFR


4Ghz


b0 is inferior to c0

prepping to go cold on the 4670K atm, should have results in a bit
post #1724 of 8074
Anyone recommend a 1150 board at $250 or lower that will be good for memory overclocking? I've been looking at the two different MPowers (not sure if the MPower Max is worth the extra money?), the ASUS Expert, and the UD5H. I unfortunately cant go balls out on a OC Force right now.
post #1725 of 8074
Thread Starter 
Quote:
Originally Posted by Formula44 View Post

I can passed 32M with these setting, but with 2933 strap...still no go frown.gif



Do i have to try another memory kit to check if its ram or imc wall? What do you guys think about Team 2666C11? I already try sugestion to boot with lower BCLK, but its all the same.

You maxing out your CPU most likely,try bumping cpu bclk in windows via Rapid OC ,same thing happen to me (few pages back )
    
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i7 4930K Rampage IV Gene SLI Evga GTX 780 Classy 16Gb TeamX2400c9 
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Samsung 840 Pro/ Hitachi Deskstar 1TB  H20 (NexXxoS 420+280) w7x64 VG248QE 
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post #1726 of 8074
Thread Starter 
Quote:
Originally Posted by 636cc of fury View Post

lets get things started:)

PSC




b0 is inferior to c0

prepping to go cold on the 4670K atm, should have results in a bit

..."b0 is inferior to c0.." ???

for real ? eek.gif


Edited by coolhandluke41 - 6/2/13 at 8:09am
    
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i7 4930K Rampage IV Gene SLI Evga GTX 780 Classy 16Gb TeamX2400c9 
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Logitech G110 SuperNOVA 1300 G2 G502 Proteus Core Foobar2K/WASAPI >NuForce Icon HDP >Crack with S... 
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i7 4930K Rampage IV Gene SLI Evga GTX 780 Classy 16Gb TeamX2400c9 
Hard DriveCoolingOSMonitor
Samsung 840 Pro/ Hitachi Deskstar 1TB  H20 (NexXxoS 420+280) w7x64 VG248QE 
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Logitech G110 SuperNOVA 1300 G2 G502 Proteus Core Foobar2K/WASAPI >NuForce Icon HDP >Crack with S... 
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post #1727 of 8074
Quote:
Originally Posted by coolhandluke41 View Post

You maxing out your CPU most likely,try bumping cpu bclk in windows via Rapid OC ,same thing happen to me (few pages back )

I already do that, boot with 2800 strap, then up the BCLK in windows to max 2940 spi 32m stable. But no boot with 2933 strap on lower bclk. I guess i'll try Team 2666C11 first, maybe this is my CPU limit. redface.gif
post #1728 of 8074
Was reading through this Haswell OC guide posted at OCF and ran across what I thought were some interesting observations and I was wondering if you guys that have already had a chance to play with Haswell have come to the same conclusion(s).

The discussion point(s) in bold:

With Haswell, that has all changed. Memory is a strange beast with Haswell. With your CPU clocked at stock, the Haswell IMC is a beast. Some chips will be able to do DDR3-3000+ without so much as batting an eye. Others not so much, but DDR3-2400 isn’t a stretch at all.

But – and this is a big, bold, italicized, very notable but - overclocking a Haswell CPU at the same time as overclocking the RAM will reduce your IMC’s ability to overclock or reduce your CPU’s ability to overclock. You have to choose one or the other, which is why the CPU came first in this guide. Core speed is king; remember that. If it comes down to choosing which to push farther, the CPU should always win in your calculations.

This will not only be heavily depending on the particular CPU you get, but also on the motherboard you choose. For instance, the Intel motherboard used for the Haswell review couldn’t run greater than DDR3-2133 at 4.8 GHz. However, using the same chip and the same memory, the ASUS Maximus VI Extreme for a future review had no problem running DDR3-2600 at 4.8 GHz.

Speaking of ASUS, let’s start with an example they gave. You might be able to run DDR3-2800 RAM and overclock your i7 4770K to 4.4 GHz. However, drop that down to DDR3-1600 or DDR3-1866 and that same CPU at the same voltage might be able to get to 4.6 GHz now. Everything in Haswell is linked. Reducing RAM speed on poor-to-pretty good chips will almost invariably increase the CPU’s ability to overclock.

Thus, you know all these high speed kits that were selling well with Ivy Bridge? Get ready to see how tight they can tighten their timings at lower speeds. Timings are back folks. No longer can IC manufacturers count on increasing memory clock, timings be damned. If you can get your hands on an older PSC or BBSE based kit with tighter timings (the G.Skill Flare DDR3-2000, 7-9-7-24 kit of yesteryear comes to mind. *Cough* someone killed mine…*cough* IMOG *cough*….), it would behoove you to do so.


Source:

http://www.overclockers.com/3step-guide-to-overclock-intel-haswell

So, have you needed to dial down the CPU in order to hit the highest memory clocks...and the reverse for highest CPU clocks?
post #1729 of 8074
Thread Starter 
.." Core speed is king; remember that..." I don't buy this biggrin.gif (I would say most of the time but not always )

here is my 32M submission
6,377.31MHz
http://hwbot.org/submission/2383196_coolhand411_superpi___32m_core_i7_3770k_5min_5sec_360ms/

look at CPU frequency below me
6,616MHz Warning: Spoiler! (Click to show)
/

EDIT; I really want to see how far you can push Haswell ( retail chip ) before I take a trip to MC wink.gif
Edited by coolhandluke41 - 6/2/13 at 9:02am
    
CPUMotherboardGraphicsRAM
i7 4930K Rampage IV Gene SLI Evga GTX 780 Classy 16Gb TeamX2400c9 
Hard DriveCoolingOSMonitor
Samsung 840 Pro/ Hitachi Deskstar 1TB  H20 (NexXxoS 420+280) w7x64 VG248QE 
KeyboardPowerMouseAudio
Logitech G110 SuperNOVA 1300 G2 G502 Proteus Core Foobar2K/WASAPI >NuForce Icon HDP >Crack with S... 
  hide details  
Reply
    
CPUMotherboardGraphicsRAM
i7 4930K Rampage IV Gene SLI Evga GTX 780 Classy 16Gb TeamX2400c9 
Hard DriveCoolingOSMonitor
Samsung 840 Pro/ Hitachi Deskstar 1TB  H20 (NexXxoS 420+280) w7x64 VG248QE 
KeyboardPowerMouseAudio
Logitech G110 SuperNOVA 1300 G2 G502 Proteus Core Foobar2K/WASAPI >NuForce Icon HDP >Crack with S... 
  hide details  
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post #1730 of 8074
@ reefa- thats sort of accurate. .. think more along the lines of 775skt though.. you will have :

A latency boundary with imc
A core speed limit with cpu
A imc limit for speed capability
A bclk limit for dmi

.... balancing all of these = "best" OC

I have found no direct bearing on cpu potential wh3n pushing mem clocks up to 3ghz.. over may be a different story.


Stickg1 - the mpower max is very nice for ram oc.. and has many memory clock options never before seen.. 2x whole bios pages for ram adjustments...completely separate from timings.
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