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AsRock Z77-series VCore reading! - Page 19

post #181 of 429
Thread Starter 
Time to install the OC Formula then!
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post #182 of 429
Could someone verify this for me please?

Extrme6, i5-3570K at stock frequency. I figured I would undervolt the CPU since it's probably getting too much juice anyway.

So, in the bios, all I do is set the CPU volts to manual, I'm trying something like 1.040 V for now, and then test for stability.

How about PLL, should that be lowered to something like 1.586 V?

leave everything else at default in the bios

Thanks

Here are some quick results with CPU voltage fixed at 1.040V, PLL set at 1.586V
with prime95, 100% core usage, CPUZ says Core voltage is .984 V, temps at 50C.
That sounds almost too good, but I'm sure it is actually getting more volts than that.

core voltage reported by CPUZ at idle actually goes up to 1.032V, is this what is called Vdroop while under load?

With all auto settings, prime95 running, CPUZ says 1.144 core volts

or should I leave CPU voltage at offset, and enable a negative offset?

results with offset mode CPU volts, and a offset of –0.195V, prime 95, CPUZ says voltage is at .968V while under load. Temps about the same, 50C
while at idle, CPUZ says volts are .840..wow, that's low
Edited by Geezerman - 2/21/13 at 1:24am
post #183 of 429
Thread Starter 
Just got my OC Formula installed after having some cracks on the CPU block leaking :l

CPU-Z: 1.448V
DMM: 1.491V

CPU-Z: 1.464V
DMM: 1.506V

A pretty huge improvement over the Extreme 4, measured from the same place as originally and not the VT1 node like AsRock suggested, not that I can find the VT1 on this motherboard anyway tongue.gif

Running Prime to test temps right now, see if they differ at all.

Few pics:


Cracked the outlet on the CPU block a bit, nothing some RTV and self vulcanizing tape won't fix!


I guess I should lap the CPU even more, just shows how curved it still is even after my little lapping before


Das magick RTV stuff

Edited by Stige - 2/21/13 at 5:40am
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post #184 of 429
I'm seriously considering downclocking mine and undervolting to keep the heat and noise down. I'm gonna miss this lil 3770k, but I'm looking forward to IB-E
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post #185 of 429
Stige. Being off by .04v is still alot more than I would expect from an OC formula. Someone thinking they are riding the 1.55v line (that Hokies83 loves to claim safe max in the de-lidded thread) would still be closer to 1.6v. I think the gigabytes are still much closer and I doubt its the DMM because I have read several times hat the less expensive ones read pretty close to the expensive ones at these low voltages.
post #186 of 429
Well this is all unfortunate, but I'll say that I bought my E4 AFTER knowing about this problem. To me, it's not a big deal, since I would never push the voltage high enough for that to be a problem. I want a 24/7 stable OC that will last without over-degrading my CPU, so a .05 volt increase isn't going to hurt me as bad as some.

And, honestly, If I do decide to change my mind, and push the OC harder, I'd just buy another board in the first place. I didn't get the E4 with super high OCs in mind, I got it because it was super cheap, and packed with features I'd actually use. I had planned on an E6 when I saw them on sale (mainly due to the far superior VRMs), until I saw an E4 go into the $90s, and couldn't pass it up.

Even so, I'm not happy that ASRock is letting the misreporting issue slide. I just can't knock on that too hard, as I bought it having known about the isue. I can't imagine the feeling someone would get when they thought they were pushing a 1.5 Vcore, only to find out it was much higher than that. I can immagine the sinking stomach feeling, then the immediate anger towards ASRock for letting you burn out your CPU... mad.gif
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post #187 of 429
Quote:
Originally Posted by Purger View Post

Well this is all unfortunate, but I'll say that I bought my E4 AFTER knowing about this problem. To me, it's not a big deal, since I would never push the voltage high enough for that to be a problem. I want a 24/7 stable OC that will last without over-degrading my CPU, so a .05 volt increase isn't going to hurt me as bad as some.

And, honestly, If I do decide to change my mind, and push the OC harder, I'd just buy another board in the first place. I didn't get the E4 with super high OCs in mind, I got it because it was super cheap, and packed with features I'd actually use. I had planned on an E6 when I saw them on sale (mainly due to the far superior VRMs), until I saw an E4 go into the $90s, and couldn't pass it up.

Even so, I'm not happy that ASRock is letting the misreporting issue slide. I just can't knock on that too hard, as I bought it having known about the isue. I can't imagine the feeling someone would get when they thought they were pushing a 1.5 Vcore, only to find out it was much higher than that. I can immagine the sinking stomach feeling, then the immediate anger towards ASRock for letting you burn out your CPU... mad.gif


If you own and E4 and keep your CPU-z under 1.35-1.36v I think you are good to go even if the problem exists on your board. Just clock as high as you can up to this point and I think you will not have mosfet or cpu overvoltage degradation probs.
post #188 of 429
Quote:
Originally Posted by chronicfx View Post

If you own and E4 and keep your CPU-z under 1.35-1.36v I think you are good to go even if the problem exists on your board. Just clock as high as you can up to this point and I think you will not have mosfet or cpu overvoltage degradation probs.

That's what I was thinking, thanks for the response!
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post #189 of 429
at least OC Formula has read points lol.
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post #190 of 429
Thread Starter 
Quote:
Originally Posted by Sin0822 View Post

at least OC Formula has read points lol.

I haven't tried those yet infact, my second cable for the DMMs is **** and doesn't fit there, I measured from the same spots as on the E4.
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