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GIGABYTE Z77X Owners/Discussion/Information/Support Thread and Club (UD5H, UD3H, D3H, and ALL) - Page 118

post #1171 of 6656

I cant manage to stabilize my OC , its driving me crazy , so far iv got 4.5ghz at 1.250v ( no vdroop , extreme setting in bios )  with mem at 2133 ( factory XMP ) , how far do i have to set the VTT and IMC in order for it to be stable ? i have it at about 1.085 for VTT and 1.080 for IMC with dram voltage at 1.54 ( wich is not normal considering the mem is rated at 1.5v ...... )   with default voltages for the mem / vtt / imc ( auto ) , the computer will barely boot and reset upon entering windows , if i up thoes voltages , it starts to become stable .. prime 95 ( latest build ) blend will run for either 3h or 5 mintes .. its random ( the part that is driving me crazy .. )   I have temps at a maximum of 70C in a 25C ambient temp with a H100 .

 

Motherboard is the UD5H with F7 bios  , i have most of the pheripherals shut off ( second LAN , marvel sata, usb 3.0 , ) .  

 

How far can i go with the vtt and imc ? should i go further or this is not the problem ? 

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post #1172 of 6656
Quote:
Originally Posted by Sin0822 View Post

Just start lowering the offset, two steps at a time until it isn't stable. first take it down .05v and then go in 2 steps. What a BIOS are you on?
VCore set to 1.3v to make sure it works on all systems, it is up to the end user to lower the voltage. I can't predict if a CPU will do 4.5ghz at 1.2v lol.
Hey guys with this issue, care to tell me what SSD and OS you are using?

I tried all the tricks and still had shutdowns, freezes, BSODs. No OC. Was using an OCZ Agility 3. Made an image and restored it on a Samsung 830. Not a hiccup since and all F7 BIOS settings on my UD5H are default except BCLK is still at 100.10 and C1E is disabled. I'll put those back to default later but I need this machine so I can work.biggrin.gif
post #1173 of 6656
Quote:
Originally Posted by samwiches View Post

Your setup of 4.1GHz @ 1.21 is very mild--a 400MHz increase with stock voltage.
VID and vcore different. VID is only a suggestion from the chip about what voltages it wants to use for that speed (different VID on each chip). The VID number is just basis for deciding how much lower to set vcore/offset and LLC, until you get to your highest clocks possible, where you would probably be using a vcore a bit higher than the VID.

oaky so basically the VID is the "suggested" voltage and not what is actually running correct?

I want to up it but wasn't sure, reason I stopped @ 4.1ghz

Quote:
Originally Posted by Sin0822 View Post

Yea, one more thing I want to add, if you are using DVID offset, then you must understand that your VID is going to be the base "normal" vcore, and the DVID will add voltage to the VID. However with sandy bridge and ivy bridge your VID changes on its own, it isn't a fixed voltage, it is only fixed per frequency and per conditions, which is basically variable.
IMO id go for it.
Well take a look at my OC guide http://www.overclock.net/t/1247413/ivy-bridge-overclocking-guide-with-ln2-guide-at-the-end
And this picture towards the end:
401
That is almost 250W through the 4-pin connector on the Sniper M3, which is also same VRM as the D3H. And it is at 6.171ghz. I would say it wont make a difference.
See my DVID settings are set on my VID, you need to go in and change the DVID offset to a lower + value. smile.gif Can you try a different port? do you have another keyboard?

Sin, where can I find your over clocking profiles people are disussing in this thread? sorry if this is a stupid question.
post #1174 of 6656
Quote:
Originally Posted by nimitz87 View Post

Sin, where can I find your over clocking profiles people are disussing in this thread? sorry if this is a stupid question.

My post above pointed to where he started it.
Sin0822 bios profiles he posted back #805:
http://www.overclock.net/t/1239993/official-gigabyte-z77x-owners-discussion-information-support-thread-and-club-ud5h-ud3h-d3h-and-all/800_20
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Mr08
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post #1175 of 6656
Quote:
Originally Posted by Sin0822 View Post

Just start lowering the offset, two steps at a time until it isn't stable. first take it down .05v and then go in 2 steps. What a BIOS are you on?

I redownloaded and I'm running the current version of F7. Unfortunately, I'm such a noob and I don't understand a lot of the terminology so I'm going to have to do my homework to figure out what # I should start w/. Like I mentioned a few postings back using your DVID setting I was getting 100c within seconds of running Prime95 so I must be pretty far off. Thanks again for your help.
Edited by eaglepowers - 5/14/12 at 9:58am
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Mr08
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post #1176 of 6656
Hi guys

Just looking for some advice really, i bought myself a new Z77X-D3H board its the 1st board i have ever owned with so many features so bare with me

I have an i5 2500k and i have set the multi to 40, i have turned off the turbo feature but i have left all the speed step etc on auto so it downclocks at idle. I have set the LLC to normal and manually set the vcore in the bios to 1.25v. At idle using easytune and cpuz my vcore is showing 1.235 so im happy there, i ran IBT to see how much it would drop underload and it went to around 1.188-1.200 and passed 10 loops with no probs. I loaded up BF3 and played online with all settings on high and got a steady 60fps which i was happy about. I thought id try the next step to upped the multi to 42 and ran IBT again with the same results with the vcore dropping to around 1.188-1.200 again. It passed again with no issues but this time when i loaded up BF3 the game was really choppy with the fps going from 60 to 50 then down to 35 up to 50 and so on kind of crazy really.

So i was just wondering would the reason for the sudden choppy gameplay be that there was not enough voltage running through the PSU? If so would changing the LLC to a higher level (im guessing the higher the LLC the closer to the actual vcore it would be?) would that give me back smoother gameplay instead of upping the voltage itself 1st? Im thinking i dont really need to up the voltage to say 1.3v for it to droop to 1.25 underload do i? I might as well use LLC to keep the voltage closer to what i have set?

Hope someone can shed some light on this for me

Thanks again
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post #1177 of 6656
Hey everyone,

I just wanted to say thanks to those that attempted to help me with my Gigabyte z77 board issues, especially Sin. I am sorry to say, though, that i have jumped the gigabyte ship and went with the Asus sabertooth. I wanted to avoid RMAing the board and getting another non working board, so i refunded it. I really liked the options the Gigabyte board offered especially the dual bios and the kick ass BIOS UI. it seems to be a good board, and I wish you all the best luck. thanks again!

Sam
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post #1178 of 6656
running sin's 4.5ghz1600mhz profile haven't changed anything at all besides lowering vcore 2 intervals to 1.310

passed an hour each of prime 95 1344 and 1792

max temps 60 deg for 1344 and 69 for 1792 90% ram being used.

CPU-Z shows 1.308 @ load realtemp shows VID @ 1.3861 I still don't understand the VID display in real temp.

going to lower voltage and keep testing thumb.gif
Edited by nimitz87 - 5/14/12 at 1:38pm
post #1179 of 6656
Quote:
Originally Posted by Sin0822 View Post

disable C1E, EIST, and C3/C6 if you don't want the multiplier to jump. Also you can disable turbo and set the multiplier to 43x with that 1.22v you have set.

I am not familiar with C1E and could not find it to disable it, could someone please point it out to me in the BIOS? I did disable EIST, C3/C6 and Turbo but I also could not find where to set the multiplier to 43x... the only multiplier slider I could find wouldn't go anywhere near that number... so I don't think that was the same thing.

Thanks again. I will be buying new fans for my overheating problem (Speedfan constantly reporting my cpu at 73c) also. I may as well just run them on high at all times.
post #1180 of 6656
Quote:
Originally Posted by Resilga View Post

I am not familiar with C1E and could not find it to disable it, could someone please point it out to me in the BIOS? I did disable EIST, C3/C6 and Turbo but I also could not find where to set the multiplier to 43x... the only multiplier slider I could find wouldn't go anywhere near that number... so I don't think that was the same thing.
Thanks again. I will be buying new fans for my overheating problem (Speedfan constantly reporting my cpu at 73c) also. I may as well just run them on high at all times.



7.jpg

from SIN's review

http://sinhardware.com/index.php/reviews/motherboards/117-gigabyte/lga1155-z77/z77x-ud5h/109-z77x-ud5h-review

page or 2 back someone posted about sleep states.
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