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Haswell Overclocking Guide [With Statistics] - Page 988

post #9871 of 19603
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Quote:
Originally Posted by 7ranslucen7 View Post

Not sure what to think, was stable 48 passes in x264 64bit and overnight
13 hours of aida but crashed in prime 95 (95% memory custom) about 3 hours in.
Temps never went past 77*C.

 

Well, if you start crashing while gaming at that setting, then I'd know what to think.

Quote:
Originally Posted by Gugus03 View Post


You must be looking at the wrong value, its 82° max, with 44 it went higher or same but with fans spinning at maximum, and not even stable

Guess so.

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post #9872 of 19603
Arduous. Here's what I've currently managed, but not yet stable.

MSI Z87 MPower
i5 4670k - L310Bxxx

Core voltage mode: Override
Core Mult: 43
VID: 1.28v / VCore: 1.30v
Ring Mult: 34
VRing: Auto
Vrin: 1.90

Prime95 running small fft crashes about 2 hours in. Temps are steady at 68-70C.

I'm assuming I just have a dud chip, but before I continue to ramp up the core voltage is there something I might be missing? I *think* I've followed the guides pretty closely, but a second look would be reassuring. If it's not listed here then I haven't changed it from the stock BIOS setting.
post #9873 of 19603
Hi,
watching the thread and last things about cstates. When using manual OC and not auto, I see same Core Voltage value in CoreTemp and CPUz.

Installed HWMonitor and there is one item that really fluctuates a lot from 0.1xx to 1.29x - VID is set to 1,285 but LCC is on auto (not sure what values it uses as with 5 x264 crashed-reboot-in 3rd loop - btw. how is it with lifespan when lcc is used? I remember it was not that great in C2Q times), so maybe it overvolts a bit. EIST/CStates are on. I am on TUG Gryphon board, I think there is no Fully manual control Enabled/Disabled.

Is that value belonging actually to cpu or to other stuff? VIN4 is the name as in the screenshot.

Frequency goes down to 800MHz (EIST on). Thx.


Edited by Wakizashis - 2/10/14 at 2:17pm
post #9874 of 19603
Quote:
Originally Posted by Wakizashis View Post

Hi,
watching the thread and last things about cstates. When using manual OC and not auto, I see same value in CoreTemp and CPUz. Installed HWMonitor and there is one item that really fluctuates a lot from 0.1 to 1.29x - VID is set to 1,285 but LCC is on auto (not sure what values it uses as with 5 x264 crashed-reboot-in 3rd loop - btw. how is it with lifespan when lcc is used? I remember it was not that great in C2Q times), so maybe it overvolts a bit. EIST/CStates are on. I am on TUG Gryphon board. Is that value belonging actually to cpu or to other stuff? VIN4 is the name. Frequency goes down to 800MHz (EIST on).


in Hw monitor look at vcore, not VID
Also, latest versions of CPUID should show the voltage drop


AItuner shows LLC is level 8 when i set it on auto... im interested to know if affects lifespan !
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post #9875 of 19603
Quote:
Originally Posted by MrBiology View Post

Arduous. Here's what I've currently managed, but not yet stable.

MSI Z87 MPower
i5 4670k - L310Bxxx

Core voltage mode: Override
Core Mult: 43
VID: 1.28v / VCore: 1.30v
Ring Mult: 34
VRing: Auto
Vrin: 1.90

Prime95 running small fft crashes about 2 hours in. Temps are steady at 68-70C.

I'm assuming I just have a dud chip, but before I continue to ramp up the core voltage is there something I might be missing? I *think* I've followed the guides pretty closely, but a second look would be reassuring. If it's not listed here then I haven't changed it from the stock BIOS setting.

Things to try:

1; Set ring to 33x, instead of 34x (which turbo's to ~4ghz sometimes/often) with manual voltage; ~1.15

2; Higher VRIN, like 2.0, to see if it instantly works or not. Hard to say without error cores or describing how it crashes - that's kinda what you're looking for while running a stability test

3; Not using small fft especially on prime 28.3. If you insist on prime, i would go to version 27.9 and manually run custom fft 1344-1344
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post #9876 of 19603
Quote:
Originally Posted by Cyro999 View Post

Things to try:

1; Set ring to 33x, instead of 34x (which turbo's to ~4ghz sometimes/often) with manual voltage; ~1.15

2; Higher VRIN, like 2.0, to see if it instantly works or not. Hard to say without error cores or describing how it crashes - that's kinda what you're looking for while running a stability test

3; Not using small fft especially on prime 28.3. If you insist on prime, i would go to version 27.9 and manually run custom fft 1344-1344

1. I figured 34 would be good enough, but I can try dropping it further.

2. Sorry, I should have specified. BSOD/reboot with 124, 101, and/or 9c codes. I can try a VRIN of 2.0.

3. Any particular reason to avoid small FFT? I believe I'm currently running 27.9 and can certainly try other options, but I'm wary of dumping a failing stress test just because it's failing.

Thanks for the help! biggrin.gif
Edited by MrBiology - 2/10/14 at 2:19pm
post #9877 of 19603
Quote:
Originally Posted by Gugus03 View Post

in Hw monitor look at vcore, not VID
Also, latest versions of CPUID should show the voltage drop


AItuner shows LLC is level 8 when i set it on auto... im interested to know if affects lifespan !

But what is that VIN4 ? when I start some heavy app - prime f.e. it goues up to 1,312, mostly like 1.291. Looks like core voltage, but i could be wrong.
Edited by Wakizashis - 2/10/14 at 2:33pm
post #9878 of 19603
Quote:
Originally Posted by MrBiology View Post

1. I figured 34 would be good enough, but I can try dropping it further.

2. Sorry, I should have specified. BSOD/reboot with 124, 101, and/or 9c codes. I can try a VRIN of 2.0.

3. Any particular reason to avoid small FFT? I believe I'm currently running 27.9 and can certainly try other options, but I'm wary of dumping a failing stress test just because it's failing.

Thanks for the help! biggrin.gif

The problem is just that 34 = 40, most or all of the time, you probably don't need more VRIN, small fft is really hot and hard to pass, there's some stuff that's just not worth passing with Haswell. If you insist on passing everything, you can go grab prime 28.3 small fft and avx2 linpack, but you'll be at 100c by 1.2vcore or so, so there's basically no point overclocking without delid and a water loop if you have those standards

regardless of test probably just not the best chip, and more vcore if you're failing with all three of those
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post #9879 of 19603
Quote:
Originally Posted by Cyro999 View Post

The problem is just that 34 = 40, most or all of the time, you probably don't need more VRIN, small fft is really hot and hard to pass, there's some stuff that's just not worth passing with Haswell. If you insist on passing everything, you can go grab prime 28.3 small fft and avx2 linpack, but you'll be at 100c by 1.2vcore or so, so there's basically no point overclocking without delid and a water loop if you have those standards

regardless of test probably just not the best chip, and more vcore if you're failing with all three of those

I should specify that this is Mrs. Biology's rig, and I'm going to have to answer for every unexpected behavior. In that sense, yeah I want the machine to be as stable as possible, but it may well be that I'm setting my standards on the high side. tongue.gif

I'll have to play with it some more and see what I can get to then. Thanks again! smile.gif
post #9880 of 19603
Quote:
Originally Posted by Darkwizzie View Post

Then what does adaptive voltage mode do? Outlaw's test includes him testing manual - Cstates off vs adaptive - Cstates off, and it shows a voltage drop. So then this means both adaptive and Cstates drop voltage.

My best guess is that Intel has developed the adaptive voltage capacity, and thus has asked American Megatrends to include it in the respective z87 bios'. In addition to this feature, some manufacturers have also figured out how to modify this feature in a way which doesn't have the same drawbacks (avx voltage spike), and this feature is also being built into the bios'.

Purely a guess, but I think it explains why there's two features achieving the same thing with varying degrees of success.
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