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Haswell Overclocking Guide [With Statistics] - Page 1141

post #11401 of 19603
Quote:
Originally Posted by error-id10t View Post

Your 804 BIOS has ME version: 9.0.2.1345. Your 1402 BIOS has ME version: 9.0.30.1482. Whatever BIOS you used before, that's the ME you still have. You can only change it if you do it manually which is easy enough.

As an example, update to latest. If you wanted another version, you'd use it's file.


Any idea if the ME has any relation with overclocking stability like the bios has? I want to try the 804 Bios(Currently 1301) but I'm not sure if I should change the ME as well...
post #11402 of 19603
Bugger it if I can find the specifics it does, it does more than people often think however.

With ASUS boards I've seen people going back to earlier version of BIOS itself since Z68 days because they found more stability there, I personally don't do that. I don't think it has anything to do with the ME version, BIOS has many other things that can affect stability. Just give it a go and see if it helps you.
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post #11403 of 19603
updated to F9 bios from F7. Overclock is still the same results.

Overclock Settings:
  • Intel Turbo Disabled
  • All Power Save Disable
  • LLC Extreme
  • CPU Vrin Current Protection Extreme
  • CPU Vrin Protection 500mV
  • PWM Phase Control Extreme Pref
  • Voltage Response Fast
  • K-OC Enabled
  • Everything else Auto (besides core / uncore Multiplier)


40x/35x: Vcore: 1.202v, Input Volt: 1.78v, Uncore Volt: 1.102v = 1 hour Prime95
42x/35x: Vcore: 1.252v, ^_____________, ^_______________= ^
43x/35x: Vcore: 1.292v Input Volt: 1.85v, ^________________= ^
44x/35x: Vcore: 1.356v, ^_____________, ^_______________= ^
44x/40x: Vocre: 1.356v. ^_____________, Uncore Volt: 1.16v = 1 hour prime95, 30min LinX

These are the voltages that are stable (ish) at selected overclock running prime95 28.4 Build 1 for least 1 hour. Also seems the more harder I push just the core, the larger Vcore needed to become stable (ish) using prime95. Sadly I have a feeling to get 45x I would need 1.38 or 1.4v (guess) to become fully stable and not willing to push that much voltage on it frown.gif

42x failed prime95 @ 1.245v under 10 minutes
43x failed around 3 minutes with 1.280v
44x failed around 1 minute with 1.325v.

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post #11404 of 19603
Quote:
Originally Posted by Darkwizzie View Post

Added! Glad you like your overclock. 4.5ghz at 1.22, that's better than I did. I needed 1.27 for x45, 1.36 for x46. cheers.gif
 List should sync soon.

Been reading this thread all day. Do you guys have C-State disabled during stress testing?
post #11405 of 19603
I guess I'm finally done with finding stable settings. Realbench really gave me a hard time. Overnight Prime1344 & x264 were stable with 1.270 vid/1.870 vccin but Realbench kept freezing/bsod. On Friday evening I left it running with 1.280 vid / 1.9 vccin for 8 hours. During the night it froze up. Good thing was that it froze rather than bsod because I got a good indication what was wrong. Hfinfo64 reported 12-20 G of max freqs. Some sort of conflict there. So last evening I dropped to 1.270 vid / 1.870 vccin and started the 8 hour test without hfinfo64 and went to watch a movie. Bsod but fortunately before the movie finished. 1.275 vid / 1.880 vccin and once again then went to bed. This morning the 8 hours was successful. I'v noticed that the impact on voltages are pretty much 1=1 with prime1344 & Realbench. So I loaded hfinfo64 and ran prime1344 for 15 min to get that under load vcore reading.

X264 50 loops. 1.270 vid 1.870 vccin


Prime95 27.9 1344-1344 5600 MB of RAM 8 hours. 1.270 vid 1.870 vccin


ROG Realbench stress test 4 GB of ram 8 hours. 1.275 vid 1.880 vccin


Before these I tried Prime1344 with 1.265 vid but it did'nt last for an hour before bsod. I guess the 1 hour run with chart values was a lucky strike.

Username: VeliManne
CPU Model: i5-4670k
Core Multiplier: 45
CPU VID: 1.275
Vcore: 1.296
Uncore Multiplier: 43
Uncore Voltage: 1.230
Cooling Solution: NH-D14
Stability Test: ROG Realbench stress test 4 GB RAM 8 hours. (X264 50 loops, Prime95 27.9 1344-1344 5600 MB of RAM 8 hours)
Batch Number: Costa Rica 3316b767
Ram Speed: 1600 MHz, 9 9 9 27 XMP
Ram Voltage: 1.65
Input Voltage: 1.888
LLC Setting: Level 8
Motherboard: Asus Z87-A

Well I can't feel good or bad about my chip. I can only feel average. biggrin.gif
post #11406 of 19603
Quote:
Originally Posted by jsx821 View Post

Been reading this thread all day. Do you guys have C-State disabled during stress testing?

I'v ran short runs (0,5-2 hours) with them enabled and disabled and saw no difference. For overnight I'v had them disabled. Probably there's no reason though.
post #11407 of 19603
OK. settled on an OC finally. Been playing with ram all weekend and ended up only tightening one timing. It seemed that no matter how I overclocked it, the computer would reboot at sometime during the x264 stress.

Username: MaKe OuT
Model: i7-4770K
Core multi: 43
VID: 1.30
Vcore: 1.31
Uncore multi: 40
Vuncore: 1.31
Cooling: H110
Stability test: 20 loops x264
Batch: Malay
Ram: 1866 9-9-9-28 1T
Dram voltage: 1.60
Input voltage: 1.94
LLC: Level 8
Mobo: Hero BIOS v. 1301
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post #11408 of 19603
Quote:
Originally Posted by MaKe OuT View Post

OK. settled on an OC finally. Been playing with ram all weekend and ended up only tightening one timing. It seemed that no matter how I overclocked it, the computer would reboot at sometime during the x264 stress.

Username: MaKe OuT
Model: i7-4770K
Core multi: 43
VID: 1.30
Vcore: 1.31
Uncore multi: 40
Vuncore: 1.31
Cooling: H110
Stability test: 20 loops x264
Batch: Malay
Ram: 1866 9-9-9-28 1T
Dram voltage: 1.60
Input voltage: 1.94
LLC: Level 8
Mobo: Hero BIOS v. 1301

Why is the Cache voltage (Vuncore) so high for 40x? Also how did you find your input voltage? lower value isn't stable?
post #11409 of 19603
Quote:
Originally Posted by Zahix View Post

Why is the Cache voltage (Vuncore) so high for 40x? Also how did you find your input voltage? lower value isn't stable?
Why? no one knows. All I can tell you is I have played around with this OC for close to 2 weeks now and these are the values I have settled on. I have read plenty of tutorials including this one and have used the agreed upon approach.
I just didn't get a great chip.

I can leave uncore at 1.2V at 35 multi but I kept getting bsod until I bumped it to 1.3 V set in BIOS which is actually measured at 1.31 by HWmonitor. Again, I cannot tell you why it is this way but it is what it is. I found my input voltage using the suggested approach and found that I have stability with it at 1.9 V set in bios. It bumps to 1.936 V at load. I am not getting bsod so I am happy to move on now. Tweaking is fun and frustrating at the same time. x264 seems to be good at finding instability and it did that for me plenty of times.
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post #11410 of 19603
Quote:
Originally Posted by MaKe OuT View Post

Why? no one knows. All I can tell you is I have played around with this OC for close to 2 weeks now and these are the values I have settled on. I have read plenty of tutorials including this one and have used the agreed upon approach.
I just didn't get a great chip.

I can leave uncore at 1.2V at 35 multi but I kept getting bsod until I bumped it to 1.3 V set in BIOS which is actually measured at 1.31 by HWmonitor. Again, I cannot tell you why it is this way but it is what it is. I found my input voltage using the suggested approach and found that I have stability with it at 1.9 V set in bios. It bumps to 1.936 V at load. I am not getting bsod so I am happy to move on now. Tweaking is fun and frustrating at the same time. x264 seems to be good at finding instability and it did that for me plenty of times.

Your chip is worst than mine. And mine isn't that great either. I'm getting x46 on Vcore 1.400v.
Definitely debating or not if I should go buy 2 or 3 chips and cherry pick the best one.
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