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i7-3820/ASRock X79 OC Help - Page 3

post #21 of 31
I'm stll trying....what the hell is this. Why does the monitor not turn on?? This is not looking to be voltage related. I went up to 1.46. same thing.
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post #22 of 31
Thread Starter 
Quote:
Originally Posted by GPat View Post

Hey, for a start thanks for the response!!
I have tried your settings. As a matter of fact my VCCSA and PLL are higher than yours anyway (all on auto) so I left those untouched (should be ok, no?). As for the booting, I went up to 1,44 and I get the same effect. My monitor doesn't turn on. I don't get it. I have been overclocking quite a while with various platforms but I've never seen this. As soon as I go back to 4,6 - 4,65 my monitor switches on and I can boot into windows, no issues (with much lower voltage).
I do run quad channel memory, should I go even more up than 1,44? I should at least be booting (seeing something on screen) with 1,44V at 4,7 Ghz, no?
This is so odd, I have headroom in terms of temperatures (water) and really want to hit 4,8.
It can't be the PSU as its 1200W and can easily handle much more.

I don't have the board anymore so I can't be 100% sure what it is called, but usually there is a PLL overvoltage option that needs to be enabled to reach higher frequencies. That's probably why it won't boot when you hit a certain frequency.
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post #23 of 31
Quote:
Originally Posted by iinversion View Post

I don't have the board anymore so I can't be 100% sure what it is called, but usually there is a PLL overvoltage option that needs to be enabled to reach higher frequencies. That's probably why it won't boot when you hit a certain frequency.

I'm gonna have a look at the documentation; see if I can find something.
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post #24 of 31
Some interesting facts I discovered in my research:

1. Internal PLL overvoltage option is removed from BIOS (although manual shows it's there) as I don't see it using the most recent BIOS.

2. There is also a beta BIOS available from December 2012 (very recent) aimed at the overclocking crowd. Might be useful to check.

3. There is an additional sli power connector on the MB, Asrock suggests using it when 2 (or more) cards are in SLI. I am not using it (although I am in SLI with 2 very powerhungry overclocked GTX 480s), but maybe at higher frequencies I need to use it - this could actually cause the monitor not to "boot", maybe the videocards need the extra power.


Pretty ****ty I didn't take any additional power connector cords for the PSU with me to test this out as I'm currently traveling with my rig.
At least some new possibilities have opened up.
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post #25 of 31
Thread Starter 
Quote:
Originally Posted by GPat View Post

Some interesting facts I discovered in my research:
1. Internal PLL overvoltage option is removed from BIOS (although manual shows it's there) as I don't see it using the most recent BIOS.
2. There is also a beta BIOS available from December 2012 (very recent) aimed at the overclocking crowd. Might be useful to check.
3. There is an additional sli power connector on the MB, Asrock suggests using it when 2 (or more) cards are in SLI. I am not using it (although I am in SLI with 2 very powerhungry overclocked GTX 480s), but maybe at higher frequencies I need to use it - this could actually cause the monitor not to "boot", maybe the videocards need the extra power.
Pretty ****ty I didn't take any additional power connector cords for the PSU with me to test this out as I'm currently traveling with my rig.
At least some new possibilities have opened up.

Hmmm looks like you got some things to try then, but besides the bios... If it was the power hungry cards you can just remove one for testing purposes and see if it even makes a difference.

Are you using 2 or 4 sticks of RAM? It could make a difference if you have 4 in use and the voltage for the VCCSA/VTT might need increased. I dug this up for you, perhaps you'll find some useful information here:

http://www.overclock.net/t/1189242/sandy-bridge-e-overclocking-guide-walk-through-explanations-and-support-for-all-x79-overclockers
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post #26 of 31
Nothing has helped, BIOS update to beta, nor the extra power cable. O noticed Dr. Debug stops on A9 code which is USB initialization; but wheni disable usb legacy in bios, it just stops on some other code; effect is the same, I get nothing on screen. Come on 4,6 is not the limit here; I won't believe that in a million years smile.gif I am using 4 sticks though, but I feel all my voltages are high enough.
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post #27 of 31
I'm having similar issues, I can get it to post at 125 bclk but it freezes at windows start up every time. If I raise the multiplier even one it will just not have anything come up on my monitor, my keyboard lights for num lock and whatnot come on but nothing on the screen and I have to use the reset cmos. I only got it yesterday so I haven't had time to really mess with all the voltages but it's kinda annoying how finicky these seem to be. Wish I had read a bit more on overclocking on these. I'm sure I'll be able to get it up once I try more configurations but it's definitely a bigger pain than the last few systems I've overclocked.
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post #28 of 31
Thread Starter 
Quote:
Originally Posted by scyy View Post

I'm having similar issues, I can get it to post at 125 bclk but it freezes at windows start up every time. If I raise the multiplier even one it will just not have anything come up on my monitor, my keyboard lights for num lock and whatnot come on but nothing on the screen and I have to use the reset cmos. I only got it yesterday so I haven't had time to really mess with all the voltages but it's kinda annoying how finicky these seem to be. Wish I had read a bit more on overclocking on these. I'm sure I'll be able to get it up once I try more configurations but it's definitely a bigger pain than the last few systems I've overclocked.

One thing you'll need to know, when you enable the BCLK strap (125 BCLK) you are unable to use offset voltage and are forced to use fixed. Make sure you choose an appropriate LLC. (can't remember which level LLC is perfect but I'm thinking level 1 or 2.) I did end up being able to get it up to 5GHz and it would run OK, but I was never able to get it stable even with 1.5v - I suspect my chip was just not able to do it.
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post #29 of 31
Quote:
Originally Posted by iinversion View Post

One thing you'll need to know, when you enable the BCLK strap (125 BCLK) you are unable to use offset voltage and are forced to use fixed. Make sure you choose an appropriate LLC. (can't remember which level LLC is perfect but I'm thinking level 1 or 2.) I did end up being able to get it up to 5GHz and it would run OK, but I was never able to get it stable even with 1.5v - I suspect my chip was just not able to do it.

I have it stable at 4.5 now at what feels like a somewhat high voltage but anything lower fails Intel burn test after awhile, Have it at 1.37. It still crashes instantly at the windows splash screen or just no post at all if I raise the multiplier past 36 though. It's still a good chip at this speed so far but in sure I'll get it to go up with some persistence.
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post #30 of 31
Thread Starter 
Quote:
Originally Posted by scyy View Post

I have it stable at 4.5 now at what feels like a somewhat high voltage but anything lower fails Intel burn test after awhile, Have it at 1.37. It still crashes instantly at the windows splash screen or just no post at all if I raise the multiplier past 36 though. It's still a good chip at this speed so far but in sure I'll get it to go up with some persistence.

Feel free to try some other stability tests too. Intel Burn Test.. while a good and quick stability test, it is not the end all be all stability program. Try others, you might be able to lower your voltage unless you need it to be IBT stable 24/7.
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