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post #21221 of 22515
Quote:
Originally Posted by juniordnz View Post

0x101 is definitely vcore, right? Or could it be something else? vccin is already 0.600V over vcore, so I guess it shouldn't be that...

There is no "definite" on anything. I have seen it with Vring. It could be VCCin. It could also be your RAM. When you run prime95 and get this, how much of your ram do you have it set to use?
post #21222 of 22515
Quote:
Originally Posted by GeneO View Post

There is no "definite" on anything. I have seen it with Vring. It could be VCCin. It could also be your RAM. When you run prime95 and get this, how much of your ram do you have it set to use?

I ask because when vring was the culprit I would get a 0x124 BSOD within 1 or 2 minutes of testing. Since I got my cache stable (I guess), I get 0x101 BSOD always after 24 passes (roughly 20 minutes), so I'm thinking it might be vcore or vccin. vcore already way too high for 4.5ghz, I don't know if I would be up to getting it even higher.

I'm not sure about the VRAM amount, will take a look at that as soon as I get home. But BSODs happen at the same time, same code, be it with RAM at stock JDEC settings or with XMP1.2 profile on, so I'm thinking the RAM may not be the problem here.

Also, could EIST be the culprit? I remember disabling C States, but I think EIST was enabled.

There seems to be almost a consensus that Prime doesn't work very well with haswell, I've seen a lot of people ditching it completely. Do I really need to be Prime95 stable to be stable on real life with haswell?

Or maybe I'm just trying to cut corners and not admitting I'll never get 4.5 stable in this little piece of garbage...
post #21223 of 22515
Well if it makes you feel better, I could never get stable above 4.3 GHZ on the 4770k I had.
post #21224 of 22515
Has anyone else had luck with the 125mhz strap???

I finally played around with it and got a rock solid 4875 out of it!!! 1.374v

temps aren't bad either. this is after an hour.5 of gaming

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NZXT 980-Z
(19 items)
 
 
CPUMotherboardGraphicsGraphics
Intel Core i3/i5/i7 Z77 OC Formula Intel(R) HD Graphics 4000 NVIDIA GeForce GTX 670 
GraphicsRAMHard DriveHard Drive
NVIDIA GeForce GTX 670 mushkin blackline Samsung pro Mushkin Callisto 
Hard DriveHard DriveCoolingOS
Mushkin Chronos MX Mushkin Chronos DX all custom water cooling win7j 
MonitorKeyboardPowerCase
asus 27 1080 corsair k90 SeaSonic Platinum 860 modded NZXT Switch810 
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R.A.T. 7 cyba snipa Bitfenix Alchamy wires, cougar fans,  
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post #21225 of 22515
Quote:
Originally Posted by badtaylorx View Post

Has anyone else had luck with the 125mhz strap???

I finally played around with it and got a rock solid 4875 out of it!!! 1.374v

temps aren't bad either. this is after an hour.5 of gaming
Warning: Spoiler! (Click to show)

I have felt tempted and tried it, in the past, but for me it does not seem to have much sense because to squeeze whatever I possibly can from my chip, I use the Per-Core OC method. I have in mind to give it a try, though! After a couple of weeks, maybe. Would you mind reminding us the procedure? smile.gif What system do you have?

Thanks!
    
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CPUMotherboardGraphicsRAM
Intel Core i7-4790K ASRock Z97 OC Formula; ASUS MAXIMUS VII HERO; G...  EVGA GTX 1060 SC GAMING 6 GB G.SKILL F3-1866C8D-16GTX 
Hard DriveHard DriveHard DriveHard Drive
Samsung 850 EVO 250 GB SanDisk Extreme Pro 240GB Samsung 840 PRO 128GB Plextor PX-128M5S 128GB 
Hard DriveCoolingCoolingCooling
WD 1002FAEX 1TB Caviar BLACK (in enclosure) Noctua NH-D15S Corsair H110 2 x Noctua NF-A14 industrialPPC-2000/3000 PWM ... 
CoolingCoolingCoolingOS
Case Fan: 1 x Noctua NF-A14 PWM (rear, exhaust) Case Fan: Noctua NF-S12A PWM (front, intake) Case Fans: 2 x Noctua NF-S12A FLX (front, intake) Windows 10 Pro 64 bit 
OSOSMonitorMonitor
Windows 10 TP KDE Neon Developer Stable HP ZR2440w Dell U2311H 
KeyboardPowerCaseAudio
Microsoft Ergonomic keyboard 4000 Corsair AX760 (Platinum); EVGA SuperNova 750 G2 Corsair Air 540 Asus Xonar Essence STX II 
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post #21226 of 22515
My 4690k is set to 4.2 GHz with a vCore of 1.075v, at which I arrived via binary search method.

I think I can still do between 1.050v and 1.075v but this seems Ok.

Suggestions, should I try a 1.25v at 4.8gHz as daily clock? How much more power waste do I expect to see?
Edited by acroback - 9/22/16 at 10:28pm
post #21227 of 22515
Quote:
Originally Posted by acroback View Post

My 4690k is set to 4.3 GHz with a vCore of 1.075v, at which I arrived via binary search method.

I think I can still do between 1.050v and 1.075v but this seems Ok.

Suggestions, should I try a 1.25v at 4.8gHz as daily clock? How much more power waste do I expect to see?

You're killing me, bro =(

btw, what the heck is binnary search method? Care to elaborate?

Thanks thumb.gif
post #21228 of 22515
Quote:
Originally Posted by acroback View Post

My 4690k is set to 4.2 GHz with a vCore of 1.075v, at which I arrived via binary search method.

I think I can still do between 1.050v and 1.075v but this seems Ok.

Suggestions, should I try a 1.25v at 4.8gHz as daily clock? How much more power waste do I expect to see?
4.8/4.2 = 1.1428571428571428571428571428571
1.25/1.075 = 1.1627906976744186046511627906977
1.143*1.163 = 1.3289036544850498338870431893687

About 33% more power consumed and wasted.
Quote:
Originally Posted by juniordnz View Post

You're killing me, bro =(

btw, what the heck is binnary search method? Care to elaborate?

Thanks thumb.gif

https://en.wikipedia.org/wiki/Binary_search_algorithm

You can search around, I've posted it before here or in Haswell thread. It can minimize the number of tests you need to run if you are starting up.
post #21229 of 22515
Stabilizing 43x ring has allowed me a stable 46x core at -35mv from stock configuration. Had to tweak tRAS tRRD tFAW in my secondaries, and tWRRD and tRDRD/DR/DD in the tertiaries.

Tertiaries are weird. Lowest value that boots = max stability for some of them, while others require just the right amount of loosening from lowest-can-boot.

Sufficient RAM stability does seem to decouple IOD from IOA, and it appears vSA is mostly good for compensating for incorrect IOD. For this vcore, vSA +.06 and IOD +.12 works as well as +.03 vSA and +.18 IOD.

IOA is useless. I have found no situation in which it contributes to stability and no stable configuration in which adjustments to it will allow for lower vcore.

post #21230 of 22515
4.2GHz @1.065V is new low for me.

This thing is still going strong.

Not sure I should push it more.

It killed the redis benchmark at this speed, almost 100k GET and SET ops per second in a VM. Wow, this is fantastic.
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