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AsRock Z77-series VCore reading! - Page 30

post #291 of 429
Quote:
Originally Posted by Sin0822 View Post

yea i did, just didn't take pictures to prove because they weren't out of wack. They are in my reviews of some boards, others not. The E4 got a 1 just because it has D-PAKs, and the Pro3 only got 2 instead of 3 because of the number of phases total.
Here is the UD5H:


UP7:


Up5:


Yea there is a huge difference between the two brands, but all the boards above also cost a lot more than the E4 and Pro3.

Also all the manufacturers use the same UEFI base shell, and when it was early days of X79 with the GB UEFI the LLC highest level was also 0%, and then they changed it to 100% and then they just made levels up(renamed for marketing). ASROck traditionally has their LLC reversed, but its not really reversed as just how the code was made. It is correct to say strongest LLC is at 0% drop under load and 100% drop under no LLC actually, but it is easier for users to understand higher is more, however ASRock provides a graph in their UEFI to help you.

It is a pain sitting there with a DMM and writing down all the LLC levels, isn't it? lol, sometimes it is interesting to investigate, and that is why I did it, i honestly didn't expect there to be such variation. I am glad you took the time and made it into a table, i like the effort.

Hi sin. Did you use the onboard reading points for the ud5h? If you remember using the onboard reading point on the extreme4 yielded very close to dmm values as well. I want to see the data using vcore readings from the backside of the board on the capacitors if possible. The same way these were generated for the extreme4 and 6. I have seen these readings you posted above a long time ago if I am not mistaken. This leads me to beleive "onboard reading points" were used.

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post #292 of 429
Quote:
Originally Posted by chronicfx View Post

Hi sin. Did you use the onboard reading points for the ud5h? If you remember using the onboard reading point on the extreme4 yielded very close to dmm values as well. I want to see the data using vcore readings from the backside of the board on the capacitors if possible. The same way these were generated for the extreme4 and 6. I have seen these readings you posted above a long time ago if I am not mistaken. This leads me to beleive "onboard reading points" were used.

Awesome question, i think I will answer at least a few of your questions with this video I just made: http://youtu.be/b3nyNS-PyDU

So in the video I do the following:
1. I show the reading of VCore with designated voltage read points.
2. Then I show the VCore reading at the output capacitors
3. BONUS: I show you how to read the switching frequency of the VRM!

If you don't want to watch: The difference between the designated voltage read point and the output capacitor is 1mv or less(basically equal to each other) , this is evidently obvious.

Voltage read points SHOULD read the same vcore as the output capacitors, if they don't, well then they aren't real voltage read points wink.gif I think that video simply proves this.
Edited by Sin0822 - 4/4/13 at 7:55pm
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post #293 of 429
Nice video! And very dauntless handling of that poor motherboard. tongue.gif
What would be nice now is to have a similar video for one of the Asrock boards, where the readout points are supposedly displaying something different...


I'm also a bit tempted right now to measure directly at the MLCC caps beneath the socket, to see if they vary from the solder pins, but I shy away from doing all that work again, and I fear that my DMM pins just aren't pointy enough for that (they're certainly not as nice as yours, using still the default ones).
post #294 of 429
Oh noooooo, and I bought this thing, fudging ASrock!!!

jeeez no wonder my chip is running so hot at .005+ Offset.

BAH!!

maybe I can contacts the Egg and do an exchange, it hasnt been too long.

I am so on it!
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post #295 of 429
Quote:
Originally Posted by spoonium View Post

Nice video! And very dauntless handling of that poor motherboard. tongue.gif
What would be nice now is to have a similar video for one of the Asrock boards, where the readout points are supposedly displaying something different...


I'm also a bit tempted right now to measure directly at the MLCC caps beneath the socket, to see if they vary from the solder pins, but I shy away from doing all that work again, and I fear that my DMM pins just aren't pointy enough for that (they're certainly not as nice as yours, using still the default ones).

MLCC was within a few mv of the output caps(MLCC would read 1.242 if output caps read 1.244), they are considered the same basically, just harder to hit with probes. The output capacitors(the big ones) are required to provide large amounts of the current during operation, in many cases providing almost all of the output while the phases try to react.

Also yea my motherboard handling is extreme, I was wearing a cashmere sweater on carpet, without grounding myself, flipping motherboards while they are on just touching things.

Don't do that if you want to make sure your board is alive, I just have a lot of practice and know exactly how to handle motherboards.
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post #296 of 429
Does the P67 Extreme 4 has this as well? I can not oc above 4.5ghz no matter what vcore I put. Always blue screens. After 4.5 I need a really high vcore and still gets blue screen. I tried yesterday since I got a new cooler, and gave up, couldn't be done.
post #297 of 429
no that board isn't like the Z77 E4
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post #298 of 429
This makes me want to cancel my Z77 Pro3 order...

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post #299 of 429
Thanks sin. I have a ud5h and a rasa rs360 kit on its way. Might as well throw a loop together if i am swapping boards as well. Thanks for the insight. I don't think I will be returning to asrock without three years straight of solid reviews. I have to put them on time out for this. My chip has been running at over 1.5v for 2 months now. Time to give it the motherboard it deserves. Along with the temps it deserves. Thanks again.
post #300 of 429
Quote:
Originally Posted by Coach Mcguirk View Post

This makes me want to cancel my Z77 Pro3 order...

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If you plan on overclocking, you probably should. Although not because of the slightly skewed voltage readings, but rather because of the mediocre VRM cooling on the Pro3, which can and most likely will put a harsh limit to any more advanced overclocks.
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