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Haswell Overclocking Guide [With Statistics] - Page 150

post #1491 of 19539
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It could also mean Vrin or Vring but more likely Vcore.

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post #1492 of 19539
Quote:
Originally Posted by Ali Man View Post

That usually means more VCore.

101 - core vcore
124 - uncore vcore


I try to overclock my cpu to 4.0ghz ( min oc)

vcore 1.15 and uncore 1.15 also ( hdmonitor)

after few minutes , my prime95 temp is to 100C on few minutes. is it because the room temp is 82F or not? or is it the heatsink is not good enough?
Edited by rickyman0319 - 8/31/13 at 8:51am
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post #1493 of 19539
Quote:
Originally Posted by IronAge View Post

Try lower input voltage and try to find out what you get under heavy load within OS.

Without load line calibration u get vdroop (=decrease of voltage under load) on input voltage.



Chancged some things - NOT vCore - now it seems to be Prime95 27.9 864k stable - finally . biggrin.gif

decreased cache voltage from 1.20 to 1.10 - increaseed VCCSA and VTT A/D a little.

On Haswell LLC doesn't apply to the Vcore, it only effects Input Voltage Offset. So instead of manually increasing the VCCIN you can just increase the LLC level. Since Hadwell has the fully integrated voltage regulator it will automatically compensate for the droop. So LLC will appear to effect stability, but not because it is changing the core voltage.
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post #1494 of 19539
Quote:
Originally Posted by rickyman0319 View Post

101 - core vcore
124 - uncore vcore


I try to overclock my cpu to 4.0ghz ( min oc)

vcore 1.15 and uncore 1.15 also ( hdmonitor)

after few minutes , my prime95 temp is to 100C on few minutes. is it because the room temp is 82F or not? or is it the heatsink is not good enough?

Other way around, I think. 124 is normally Vcore or Vring, while 101 may be Input Voltage (although not a lot of data on that).

Sounds like your heatsink isn't good enough. 100C is high for 1.15V. Are you sure it isn't bumping up when you run Prime?
post #1495 of 19539
oh my god, my cheap H80i is not enough even for 4.0ghz i7 4770k.
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post #1496 of 19539
@ BangBangPlay

i did not state LLC affects Vcore ... i wrote WITHOUT LLC you get droop on input voltage.

ASRock Mobo LLC Level 5 = LLC OFF results in a high droop, LLC Level1 almost no droop.

Asus Mobo LLC Level 1 you get the highest droop on input voltage.

i take into consideration that Intel wants the input voltage to decrease under load.

Input voltage droop will not affect stability before you set OC over 4.5 GHz - gotto to adjust VCCIN though.

when using the Asus Maximus Vi gene i prefered LLC Level 5 and VCCIN 1.90 in UEFI which results in ~1.1856 under load.
Edited by IronAge - 8/31/13 at 2:29pm
post #1497 of 19539
Quote:
Originally Posted by rickyman0319 View Post

oh my god, my cheap H80i is not enough even for 4.0ghz i7 4770k.

What fans do you have on it, and how fast are they running? Is the pump hooked up to a full speed fan header? Are you sure you have good contact with the CPU? Are you sure the voltage isn't being bumped up when you run Prime? There are a lot of factors at play. A H80 should be fine for what you are running, so be sure there isn't some other issue.
post #1498 of 19539
Quote:
Originally Posted by Forceman View Post

What fans do you have on it, and how fast are they running? Is the pump hooked up to a full speed fan header? Are you sure you have good contact with the CPU? Are you sure the voltage isn't being bumped up when you run Prime? There are a lot of factors at play. A H80 should be fine for what you are running, so be sure there isn't some other issue.

I am using AP-15 fans. (P/P)

it is running max.

the pump is hooked up to case fan header and not cpu header. does it matter?

I put AS5 on both surface. both heatsink and cpu has as5 on it.

right now the ambient is almost 100F inside the house even though I put ac on. lol


Edited by rickyman0319 - 8/31/13 at 1:47pm
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post #1499 of 19539
Quote:
Originally Posted by rickyman0319 View Post

I am using AP-15 fans. (P/P)

it is running max.

the pump is hooked up to case fan header and not cpu header. does it matter?

I put AS5 on both surface. both heatsink and cpu has as5 on it.

right now the ambient is almost 100F inside the house even though I put ac on. lol


there's your problem; you never apply the TIM on both sides, just wipe it all off, do the pea method (go on youtube to watch it being done) and then install your H80i on top of it.
you had the TIM so thick, it became not efficient at all, thus causing you to believe it cant handle a 4GHz 4770k thumb.gif
 
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post #1500 of 19539
Quote:
Originally Posted by rickyman0319 View Post

the pump is hooked up to case fan header and not cpu header. does it matter?

I put AS5 on both surface. both heatsink and cpu has as5 on it.

If the fan header isn't running at full speed (if it is temp controlled for example) then the pump won't be running full speed and you'll get decreased performance.

And you don't want to put thermal paste on both surfaces, just put a short line on the CPU and clamp the heatsink on - the pressure of the mounting will force the TIM to spread out. Sounds like you may have too much TIM on there. Might try a reseat.
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