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GIGABYTE Z77X Owners/Discussion/Information/Support Thread and Club (UD5H, UD3H, D3H, and ALL) - Page 6

post #51 of 6656
Hey all, Im new to the gigabyte scene ( I usually run ASUS boards...) but figured I would give a UD5H a try. I don't know much about the boot loop problem, but it sure seams like im having that issue. I have a 10 hour stable prime 95 overclock on my 2600K, running 1.305 vcore in BIOS even though CPUz is reporting 1.044 -1.056 I believe it was for a 100x45 clock. Running Corsair XMS3 1600 at its stock 1600 at 1.5V, RAID 0 Samsung 830's and no video card. Im about to return this board because of this issue, but before I send it back, does anyone have any advice to try and fix it? When I "restart" windows 7, it works perfect every time. When I "shut down" about 50% of the time it enters a boot loop, eventually "self corrects" and gives me a boot error. Sometimes it loads fully into windows, which will result in no overclock, or it will take me to the BIOS and require me to save and exit to retain my overclock. Also, when the computer goes to sleep, upon wakeup my multiplier gets bumped down to 35 which I have confirmed with super pi. Im having to many issues for the price tag on this time... Any advice would be GREAT!

CPUz 1.6x32 doesn't work correctly* Trying easytune now.
Edited by {EAC} Shoot em UP - 4/17/12 at 10:48am
post #52 of 6656
I got EasyTune working, which is reporting correct Vcore. I am now able to notice that I was having a HUGE Vdroop under load. 1.305 set in bios, about 1.29_ in windows at idle, under load I was dropping to around 1.24_ with the load line calibration on normal. I bumped that up to the highest setting, it help right at 1.302 in windows under load and idle. Set loadline at "Turbo" it it drops to about 1.28_. Could this have been been causing the issue? Im not sure what causes the bootloop problem, but I assume a bad overclock could cause it. Also, should I set loadline to the max setting in order to hold those volts stable? Or is a little drop off with the turbo mode desirable? Sorry for the somewhat noob question, I haven't been in the overclock game sine my i7 920 which has happily been at 182x21 since the day I got it. Im sure my overclock is stable now, as it was before at these same volts with a huge Vdroop, I will worry about bringing my volts down once I am sure this motherboard doesn't have any issues. Right now im just concerned with never seeing a boot loop again.
post #53 of 6656
Quote:
Originally Posted by {EAC} Shoot em UP View Post

I got EasyTune working, which is reporting correct Vcore. I am now able to notice that I was having a HUGE Vdroop under load. 1.305 set in bios, about 1.29_ in windows at idle, under load I was dropping to around 1.24_ with the load line calibration on normal. I bumped that up to the highest setting, it help right at 1.302 in windows under load and idle. Set loadline at "Turbo" it it drops to about 1.28_. Could this have been been causing the issue? Im not sure what causes the bootloop problem, but I assume a bad overclock could cause it. Also, should I set loadline to the max setting in order to hold those volts stable? Or is a little drop off with the turbo mode desirable? Sorry for the somewhat noob question, I haven't been in the overclock game sine my i7 920 which has happily been at 182x21 since the day I got it. Im sure my overclock is stable now, as it was before at these same volts with a huge Vdroop, I will worry about bringing my volts down once I am sure this motherboard doesn't have any issues. Right now im just concerned with never seeing a boot loop again.

I'm not 100 percent sure since I haven't had the same issue as you in terms of what you're referring to as bootlooping, but there is a chance that you're potentially experiencing a failed overclock if your overclock settings get reset each time it happens.

Are you using the turbo feature and all of the energy saving options to overclock? If so, you should see your voltage and multiplier drop to like 1.6Ghz and a very low voltage under idle situations then jump to 4.5Ghz with about 1.3v (depending on your settings). I generally prefer this method since I don't have to run a consistent high level of voltage through my CPU when it's not in use. I generally use a very high load line calibration level when I do this to balance out the voltage levels when in idle and under load.

Also, from what I've read, many of the Z77 motherboards currently are somewhat finicky with current Sandy Bridge processors since the micro coding is apparently designed mainly for Ivy Bridge processors. Personally though, I haven't experienced any boot looping unless my BIOS settings are off, and I'm using the same motherboard.

Edit: With the adjusted load line calibration to increase your voltage, are you experiencing any boot looping?
Edited by jivenjune - 4/17/12 at 11:43am
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post #54 of 6656
Like I said, im not entirely sure what the old boot loop issue was. I just know im having problems frown.gif. But what I meant by turbo mode was the load line calibration "turbo" setting I think there is like low, medium, high, turbo and extreme. Extreme held my volts EXACTLY what I had them set at in the BIOS under load and idle. Turbo mode allowed a slight drop under load. And as of now, I am using a 45 multiplier at all times, no C1E or speed step. I can say that since I have changed this setting I havn't had an issue, but It has only been about 30 minutes, not long enough to tell at all. What BIOS settings should I have set under 3D power? Right now I have PWM phase control at high performance, and Vcore Loadline Calibration at Turbo (might put this to extreme just to hold the volts perfectly stable.) with everything else on auto. (Also, the Vcore Protection and DDR CH(A/B) Voltage Protection are at 250.00 mV by default, is this what I want?). In Advanced CPU core features, I have my 45 multi, trubo boost disabled, C1E disabled, C3/C6 disabled (is C3/C6 just a new C1E? I havn't dealt with this before on my i7 920 as far as I remember). And I have CPU EIST Function Disabled. Everything else should be stock except for like RAID instead of AHCI and things like that.
post #55 of 6656
Quote:
Originally Posted by Sin0822 View Post

i reported your issue, BTW does your mouse work okay in previous BIOSes?

Hi Sin!
Can you also report the same issue with the Steelseries Sensei (FW 244). The mouse was working perfectly with the Z77X-UD5H BIOS F4, but it's only moving up/down with BIOS F5 and BIOS F6d.
Thanks! thumb.gif
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post #56 of 6656
Quote:
Originally Posted by jivenjune View Post

Edit: With the adjusted load line calibration to increase your voltage, are you experiencing any boot looping?

So far I have not experienced the problem. So far this makes me believe the problem, although maybe not 100% fixed, has been helped. A few more hours without the issue and I will be comfortable saying it is fixed. I am still haveing the sleep issue, when returning from sleep mode in windows 7 it drops the multiplier to 35 but retains my manual Vcore settings. Not sure what this is about. Might have something to do with the BIOS settings I listed ^^?
post #57 of 6656
Quote:
Originally Posted by {EAC} Shoot em UP View Post

So far I have not experienced the problem. So far this makes me believe the problem, although maybe not 100% fixed, has been helped. A few more hours without the issue and I will be comfortable saying it is fixed. I am still haveing the sleep issue, when returning from sleep mode in windows 7 it drops the multiplier to 35 but retains my manual Vcore settings. Not sure what this is about. Might have something to do with the BIOS settings I listed ^^?

Possibly. I haven't had much time to play with my motherboard lately, so you'll probably wanna wait for Sin to chime in.
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post #58 of 6656
Quote:
Originally Posted by {EAC} Shoot em UP View Post

So far I have not experienced the problem. So far this makes me believe the problem, although maybe not 100% fixed, has been helped. A few more hours without the issue and I will be comfortable saying it is fixed. I am still haveing the sleep issue, when returning from sleep mode in windows 7 it drops the multiplier to 35 but retains my manual Vcore settings. Not sure what this is about. Might have something to do with the BIOS settings I listed ^^?

Just turned on my computer again, and the problem happened again. The power goes on and off a few times, ended up on a screen that said EUFI BIOS or something across the top, the rest of the screen was just black, power went off after that and when it turned back on it booted into windows with my 4.5 ghz overclock working perfectly. WHAT IS HAPPENING? My main issue with this is this computer is for my dad, he is getting into very large image photoshoping and wanted a powerful system, and obviously reliability and ease of use is a must for him. If this was my build, except for the sleep issue I wouldn't really mind much... Hopefully someone knows whats happening to my board. Also, I believe I am using the "second" BIOS as I set the first BIOS to all defaults in case there is ever an issue my dad will be able to switch to standard BIOS and at least have a working system until I can fit it. I don't think this could be causing an issue, but maybe someone knows better than me and would advise against this? Both BIOS are updated to F5 which is the newest I see on Bibabytes webpage.
post #59 of 6656
Thread Starter 
yes the boot loop here is not the same it isn't an infinite boot loop. if you allow it to cycle it will eventually act like nothing happened, your POST code should read 8_ then the board should turn off turn back on and then act like its going into the BIOS, then it will do db on the POST code, and then it will restart and either do the 8_ and db or it will boot with your OC without issues. It happens every certain amount of boots and it is different per board, however it only happens with Sandy Bridge. The loop happens every 6 to 8 on/off cycles, and exact at the number, so after 7 cycles if it happened to you then after 7 more it will happen again. I think it has something to do with clearing the checksum. However it doesn't hurt anything, it doesn't erase your settings, and you really don't have to do anything it just is annoying b/c it takes an extra 10-30seconds every 6 to 8th boot. If it makes you feel better with ivy(retail stepping) i restarted the UD3H 100 times, the UD5h 100 times, and M3 100 times with an OC and there was nothing like this lol.

So here is the deal, it is a known issue that can be reproduced, that wasn't the case with the Z68 boot loop, it was random board to board configuration to configuration, but this one is totally with Sandy bridge only and not ivy Bridge. This means that it is much simpler to fix, it could just be an error in the coding or a part of the microcode that needs sandy bridge steppings added. The thing is beta testers, me included, didn't test sandy bridge, as we were trying to figure out all the Ivy Bridge issues first as the boards weren't supposed to release way before.

So here is what i recommend you doing:
Flash your BIOS, and reboot and "load optimized defaults" and reboot, this is something you should always do before you OC and after your flash your BIOS.
If you have a UD5H, UD3H, or Sniper 3 flash your backup BIOS to the same as your main, this was one thing that helped with Z68 boot loops, but it doesn't make a difference now, however it is easier for the ME to do things and your POST should be faster if they are the same as well. if you have a M3, or other boards without the switch, pressing ATL+F10 will flash your backup BIOS.

Here is the good news:
If you wont ever put a sandy bridge processor in your motherboard, then you are fine, you wont have this issue.
If you are upgrading to ivy bridge you only have 1 week left
If you are stick with sandy bridge, the issue is easy to replicate, and since i reported it there have been no more BIOS updates, so hopefully the next one, which is due very soon will have a fix for it, if not then perhaps the next final BIOS which shoudl also be soon, as the rate at which the BIOSes are being updates is extremely fast.
Edited by Sin0822 - 4/17/12 at 5:08pm
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post #60 of 6656
Hmmmm After flashing to F5 Bios my mouse in bios is all screwy:mad:. Good other then that. Awesome board.
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