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Gigabyte P67/Z68 boot cycling problem - Page 19

post #181 of 811
Quote:
Originally Posted by pangeltveit View Post
I get Boot loops if I set my ram to 8-8-8-24 instead of 8-9-8-8-24

Ram is at 1866Mhz at 1,525v
Yea that is what happens when you OC and it fails, either OC recovery happens or it fails.
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post #182 of 811
Have anyone heard any news from Gigabyte about this problem?
Edited by turrican9 - 6/23/11 at 1:15pm
    
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post #183 of 811
they usually just release BIOSes that fix it.
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post #184 of 811
The only time I had continuous looping was after I'd done a format, windows went into sleep mode and I must have had PLL on. Had to clear CMOS to get it to boot up.

But yeah now I've flashed to F3g, PLL is off so is sleep mode. The only time I get looping now is if I press the case restart button...loops for a few seconds then boots up but the OC is reset.
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post #185 of 811
who cares if there are 3 pins or 4 pins? lol i dont even use on board fan headers, they never run correctly, either they run too slow or the dont run fast enough, ill just use a nice cheap 10 dollar fan controller.
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post #186 of 811
Quote:
Originally Posted by drBlahMan View Post
I've had this mobo for 1 month now, OC'ed it, reset it back to stock settings and have not flashed the bios once.
Interesting. What BIOS version are you using?
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post #187 of 811
Quote:
Originally Posted by sgr215 View Post
Interesting. What BIOS version are you using?
F6 is what I've been using from the beginning. I had OC'ed it a several days ago after my buddy had tipped me about the video below. Normally I experiment with OC'ing on my own but since this person was using the same mobo & cpu, I had decided to follow his settings just to see if I was going to get this boot-loop bug. I did not do any benching or stress testing but I did play some games for a few hours. A couple of days ago, I had reset everything back to stock settings. It appears he did not have the boot-loop problem and if he did, I believe he would have mentioned it.


Edited by drBlahMan - 6/24/11 at 6:25pm
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post #188 of 811
Quote:
Originally Posted by drBlahMan View Post
F6 is what I've been using from the beginning. I had OC'ed it a several days ago after my buddy had tipped me about the video below. Normally I experiment with OC'ing on my own but since this person was using the same mobo & cpu, I had decided to follow his settings just to see if I was going to get this boot-loop bug. I did not do any benching or stress testing but I did play some games for a few hours. A couple of days ago, I had reset everything back to stock settings. It appears he did not have the boot-loop problem and if he did, I believe he would have mentioned it.
It's actually not surprising you haven't experienced the boot loop then. By your own admission you haven't really been stressing the board and you have no idea how stable your overclock is. (Few hours gaming ≠ adequate stability testing)

I wish I had other Z68 Gigabyte boards to test my theory on but I don't. Regardless, I'm fairly confident in saying it looks like BIOS corruption can occur if:
  • You use the reset switch on your case

    and/or

  • You experience instability while overclocking
I'm willing to bet it has something to do with the hybrid EFI BIOS Gigabyte is using. Regardless, as I've mentioned several times already in this thread a possible fix for those affected would be to:
  • Not use the reset switch. Even better, disconnect it from the motherboard.
  • When overclocking, after you verify a 24/7 stable overclock*, clear CMOS and re-flash your board to F6. (or latest final equivalent for your Z68 board)

*While stable overclocks are subjective stability is key. I personally would say it's not stable without 24hr Prime95 and at least 50 Linx runs.

If you try what I suggest above let me know your results!
Edited by sgr215 - 6/24/11 at 7:02pm
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post #189 of 811
Quote:
Originally Posted by sgr215 View Post
It's actually not surprising you haven't experienced the boot loop then. By your own admission you haven't really been stressing the board and you have no idea how stable your overclock is. (Few hours gaming ≠ stability)
As of now, I do not have the time to really test this mobo they way I want to cuz currently, I'm too busy with work.

Quote:
Originally Posted by sgr215 View Post
I'm willing to bet it has something to do with the hybrid EFI BIOS Gigabyte is using.
Always a possibility. Currently, I do not use the touch-bios.

Quote:
Originally Posted by sgr215 View Post
*While stable overclocks are subjective stability is key. I personally would say it's not stable without 24hr Prime95 and at least 50 Linx runs.
Time length for stress testing is subjective. You do not need to stress test for 24 hours. I've been OC'ing for over a decade and a half. 8hrs have always been my max for the (3) testing types for Prime95. LinX, always 100 runs for me. OCCT, if I decide to use it, 4hrs max. Based on my usage, I stress test the cpu every 4 months unless instability appears before then. That has always been my method and it has never failed me. Just to give you an idea on how I use my rig, I use my rig 4 to 5hrs daily for work (autocad & rendering) and an average of 6hrs a week for gaming.

BTW...When I finally get down with this mobo (vacation coming up in a month), I will do my testing & I will definitely let you know if the boot-loop occurs or if it occurs before then.
Edited by drBlahMan - 6/24/11 at 7:35pm
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post #190 of 811
Quote:
Originally Posted by drBlahMan View Post
This is relatively old news. Sin0822 has been preaching this (if I'm not mistaken) some time ago which I believe is valid but it does not confirm that every Gigabyte P67/Z68 mobo will experiencing this.
I think you may be mistaken. I first mentioned it here. I've been trying to get people to test this theory but so far no luck.

Quote:
Originally Posted by drBlahMan View Post
There are a alot of enthusiasts out there OC'ing & stress testing the hell out of these mobos. By now, you would have seen many threads about this if the boot-loop problem was consistent.
Let's ignore the P67 boards. I'm not convinced the boot-loop bug experienced here is related to the issues they have had. Someone posted a video awhile back and it looked nothing like the boot-loop bug. Once you ignore the P67 boards, you'll find the Z68 boards have only been around for a couple months. Considering how new these boards are, I've stumbled on several threads here and elsewhere discussing this bug. Even Newegg reviews contain some people complaining about it. The problem is people often dismiss the bug off as something the end-user is doing. For example, see THIS thread. It's clear what he's experiencing is the boot-loop bug yet most people are dismissing it off as instability relating to incorrect vcore. The only other people that offer advice own P67 boards and have no direct experience with Z68 boards. The isn't uncommon either, I've seen a handful of these posts on various forums like this. The fact is these boards are so new that there's a ton of disinformation. It will be awhile until we know just how widespread this bug is.

Quote:
Originally Posted by drBlahMan View Post
Time length for stress testing is subjective. You do not need to stress test for 24 hours. I've been OC'ing for over a decade and a half. 8hrs have always been my max for the (3) testing types for Prime95. LinX, always 100 runs for me. OCCT, if I decide to use it, 4hrs max. Based on my usage, I stress test the cpu every 4 months unless instability appears before then. That has always been my method and it has never failed me. Just to give you an idea on how I use my rig, I use my rig 4 to 5hrs daily for work (autocad & rendering) and an average of 6hrs a week for gaming.
Here's the issue; if this problem is indeed related to BIOS corruption when overclocking you need to be absolutely certain your overclock is stable. Eight hours of Prime95 is far from being absolutely certain of that. In fact, I've had several instances where Prime95 fails after 12 hours or more. Essentially, stability may be key to fixing this bug. It has nothing to do with how you test stability on your own but rather how one may be able to fix their boot-loop issues.
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