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GIGABYTE Z77X Owners/Discussion/Information/Support Thread and Club (UD5H, UD3H, D3H, and ALL) - Page 139

post #1381 of 6656
Quote:
Originally Posted by homestyle View Post

Quote:
Originally Posted by samwiches View Post

No. It doesn't control PWM and needs a +20 degree offset to the core temp readings.

What other programs are you using to measure temps?

BTW, speedfan is working for me. You have to go to advanced, select IT8728F, and set pwm mode to software controlled.

The temps in SpeedFan are the same as the rest now.

I think I figured out why it wasn't working with my fans. Only CPU_FAN is PWM (hopefully that's wrong).

My PWM fans seem to work alright on the SYS_FAN headers, but I think they're getting VR control cause when they're on my PWM fan controller there is no control---the fan controller does not take VR, only PWM.
Edited by samwiches - 5/19/12 at 9:12pm
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post #1382 of 6656
my vcore doesn't seem to change when set to offset. @ iidle or load .

have dvid set to -0.40 and getting 1.332
post #1383 of 6656
How do I have the vcore throttle back when my multi drops when I increase vcore and the multi?

I have eist, cxe enabled.
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post #1384 of 6656
Quote:
Originally Posted by nimitz87 View Post

my vcore doesn't seem to change when set to offset. @ iidle or load .
have dvid set to -0.40 and getting 1.332
Have you disabled any of the power saving in the BIOS? EIST, etc? Can you take some screenshots of that page and your phase/voltage pages?
Quote:
Originally Posted by homestyle View Post

How do I have the vcore throttle back when my multi drops when I increase vcore and the multi?
I have eist, cxe enabled.
What do you have? Time to update your rig?

Use Vcore - Normal + DVID Offset,
LLC set to extreme might hold the voltage high.
post #1385 of 6656
hey guys, i know the dif between these 2 mobos, but what about vrm, heatsinks, etc, what could you tell me?

GA-Z77-D3H
z77x ud3h
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post #1386 of 6656
I gave up trying to set DVID on this board.

I know my system is stable at 1.26v but no matter what offset I use without it shooting up to 1.4v a whea error always shows up in event logs.
post #1387 of 6656
Quote:
Originally Posted by Sin0822 View Post

Quote:
Originally Posted by arrow0309 View Post

+1 REP
Very good and comprehensive technical review. thumb.gif
I still have one question:
What's the explanation for the mainboard's higher power consumption (UD5H)?
Here from an older review.
Shouldn't a highly efficient vrm solution consume less than the other?
Are the things changed with the one of the latest bios?
I don't really mind since I still however love the Gigabyte products but what should I explain to the others (on our Italian 3d's) thinking of the UD5H's less efficient power consumption as an inferior vrm issue? thinking.gif
Well let's consider this, In the USA at least, the UD5H is a freaking loaded motherboard for the price, it is hard to find a board with more features, so many little ICs, so many power consuming chipsets, there is VIA controllers for 1394A, so many extra SATA controllers from marvell, dual NICs which aren't light on power either. Now here is where the UD5H set's itself apart from all the other boards.... get ready for it, it has two on-board audio line-drivers, which are amplifiers!!!! if those don't use power then your sound wouldn't sound good. Now Maximus 5 Gene, just is a simple ALC898 like the UD5H's ALC898, but the M5G has no amps, just more standard capacitors which don't consume more power.

Also the less phase count you have the higher efficiency you will have. What manufacturers like to hide is that higher phase count=higher number of switching components=lower efficiency. So the 6 phase UD3H will have higher efficiency as the 12 phase UD5H. Other than that the switching frequency has the largest impact, and on the uD3H and UD5H is it set to around 300khz which is pretty low. I know it doesn't need to be increased under OC, but on some other boards it probably is increased.

What is interesting is that you can clearly see how bad MSI's VRM design is, your best board should be getting the highest power consumption if you use the same phase quality throughout your line, I am pretty sure the Maximus 5 Gene uses same VRm quality as the P8Z77 line, thus making its 8 phases more efficient under idle conditions as there is lower phase count. THis is evident in the GB boards as well, as the UD3H is higher phase quality but lower phase count as the UD5H, but same type of parts and arrangement, with minor difference in MOSFETs to make there a big difference in power consumption.

Also there are 3 MOSFETs per phase, while this increase the number of switching components, it also helps temperatures and power output greatly as well, these VRMs are built for highest performance. If you want good effieicny, then just run it


BTW maybe tell your friends to protest for your reviewers to buy two of these: http://www.newegg.com/Product/Product.aspx?Item=N82E16811999227 modify them, and use them to measure CPU power consumption off the 12v input for the motherboard, that is how I do it :0 and that is the only way you can start to conclude on VRm efficiency

Got it!
Thanks for the answer, now it's all clear to me. smile.gif

One last question: would there any be a Z77X-UD7?
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post #1388 of 6656
hello guys

first i'm not a native speaker, so excuse my english


ok... i'm a BIG noob when it comes to overclocking , and i have 2600k with a z77x-d3h mobo

all i done is overclocked mine to 4.2 auto everything......... ran prime95 test for while and it was perfect with my h100 good temps with no errors. loved the extra boost for a couple of days till i got bored again lol, now i want to push my 2600k to the maximum limit biggrin.gif

so i tried to play with the V core, little bit of research in google... people where saying something like 1.5v and 1.6v something like that, but on this mobo it's more like 1300 or 1250

so i got confused and adjusted the vcore to 1.0something and booted up on 4.5ghz, and it didnt boot up, freeze and then it wasn't booting up at all removed cmos battery to boot on default bios, then i just went ahead and change it to 4.2 auto everything tell i really get the hang of it tongue.gif

so now i have a couple of questions

what is the safest vcore for 2600k to start for 4.5ghz or 4.6ghz or more ?
and what other setting should i change?, how can you update the bios? what is the best update for overclocking sandy bridge ?
Edited by verification11 - 5/20/12 at 7:57am
post #1389 of 6656
Quote:
Originally Posted by mandrix View Post

Have you disabled any of the power saving in the BIOS? EIST, etc? Can you take some screenshots of that page and your phase/voltage pages?
What do you have? Time to update your rig?
Use Vcore - Normal + DVID Offset,
LLC set to extreme might hold the voltage high.

sleep states off EIST off.

stupid but how do I take a screenie of the BIOS and where's it saved to?

redface.gif

I currently have it set to -40 ran an hour each of 1344 and 1792

min vcore 1.296

max vcore 1.320

max temps 68 deg.

without offset I was running 1.308 passed 12 hours of 90% blend.

Chad
post #1390 of 6656
Is there a way to turn off the blinking lights on the lan port in the back of the ud3h board?
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