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E6600 Limit issues - Boots Once only

post #1 of 17
Thread Starter 
I've been working for a while on overclocking this system:

E6600, 2 gigs pc6400, Zalman Cooler, Gigabyte GA-965p-DQ6.


Heres the thing, by gradually increasing the FSB I can get it to about 420 or so with a 9x multiplier. Heres a a snapshot of my voltage settings.\\





It boots into windows and runs fine up to 3.7 ghz but when I shut down it doesnt boot back up.

379 is the highest FSB I can get and be able to boot up from a cold shutdown. I actually get the bios up to about 395 and then increase the fsb through EasyTune in Windows to get to 3.7.

The other thing is I have raised the VCore up pretty high in the bios (1.65 or so) but in CPU-Z it always shows around 1.2v. Pretty wierd.

So what does this mean if I can boot into windows stable directly after changing the bios, but not when shutting down and starting the computer fresh"?

Is there somewhere I need to increase voltage to?
post #2 of 17
I am suspecting your vdimm. What is the stock the motherboard gives the RAM? In many cases it only gives RAM 1.8V, even if stock of the RAM is higher (mine is 2.2V). I have to manually set RAM at 2.2V just to have stock voltage for the RAM. You might actually be undervolting your RAM.

Please show CPU-Z main screen and memory tab.

Also, you're already a bit high on the vCore. 1.5V is about the same limit. Higher for benchies is ok, but anything above 1.55V is basically taking quite a risk (unless you have that CPU under phase).
    
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post #3 of 17
I don't like the looks of that "Overvoltage control"

Why can't they just give you the setting that shows straight up voltage? Is there any way for you to see the actual voltage setting?

Because right now, who knows what your memory voltage ACTUALLY is.
post #4 of 17
Quote:
Originally Posted by unkellsam View Post
I've been working for a while on overclocking this system:

E6600, 2 gigs pc6400, Zalman Cooler, Gigabyte GA-965p-DQ6.


Heres the thing, by gradually increasing the FSB I can get it to about 420 or so with a 9x multiplier. Heres a a snapshot of my voltage settings.\\





It boots into windows and runs fine up to 3.7 ghz but when I shut down it doesnt boot back up.

379 is the highest FSB I can get and be able to boot up from a cold shutdown. I actually get the bios up to about 395 and then increase the fsb through EasyTune in Windows to get to 3.7.

The other thing is I have raised the VCore up pretty high in the bios (1.65 or so) but in CPU-Z it always shows around 1.2v. Pretty wierd.

So what does this mean if I can boot into windows stable directly after changing the bios, but not when shutting down and starting the computer fresh"?

Is there somewhere I need to increase voltage to?
Ok, first of all change the robust graphics booster to none....

No over voltage to your MCH

No Over voltage to your FSB

PCI-E over voltage to none, you dont need it!

DDR +0.2

VCore to 1.5 then eventually lower. I am running 394 FSB on an E4300 with 1.375 vcore, you shouldn't need that much.
Sky
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Sky
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post #5 of 17
Thread Starter 
Heres the CPU-Z screen:



This is pretty much the fastest I can get it to repeatedly boot.

Like I said, I have taken it to 3.7 and booted windows just fine, but if I do a cold shutdown and turn it back on it will switch back off and load the backup bios.

And I don't know the actual voltage for the ram. Do you know a program that can tell me?

Another problem I just ran into:

I have a dual boot setup of Vista x64 and XP x32. So far I have been testing my overclock settings in Vista, but I just tried XP today and it won't boot, it just restarts.

Anyone know whats up with that?
post #6 of 17
Also welcome to O/C.net, please fill in your system specs in the UserCP when you have the time, it wil help us help you!

also on that GB board, in bios with your cursor over the M.I.T. press and hold Ctrl and then hit F1, then you will get an expanded Memory options menu
Sky
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Sky
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post #7 of 17
Quote:
Originally Posted by unkellsam View Post
Heres the CPU-Z screen:



This is pretty much the fastest I can get it to repeatedly boot.

Like I said, I have taken it to 3.7 and booted windows just fine, but if I do a cold shutdown and turn it back on it will switch back off and load the backup bios.

And I don't know the actual voltage for the ram. Do you know a program that can tell me?

Another problem I just ran into:

I have a dual boot setup of Vista x64 and XP x32. So far I have been testing my overclock settings in Vista, but I just tried XP today and it won't boot, it just restarts.

Anyone know whats up with that?
Look at the Vdroop on your board... its at 1.2v my guess is you still have some uneeded options set in bios that you need to disable, if you haven't done so already take a look at the Intel o/cing guide in my siggy, it's out dated, but the basics will help you move along.... also, don't neglect your temps, please download cortemp, and give us a screenie
Sky
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Sky
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WD 250 GB SATA Sony W/ LightScribe DVD+RW XP LG 32" HDTV 
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post #8 of 17
That isn't Vdroop, CPU-Z just incorrectly reads over a certain value. The limit for proper reading is like 1.45V, I believe. I also have the same problem as you, but the max, consistent booting I receive is 3.5Ghz. I'll investigate my problem, and I'll update if I find anything.
magg0rt
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magg0rt
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post #9 of 17
I have the same problem with my E6420. I wasn't able to find a fix for it, so I run @ 3.6, 100mkz isn't that much I guess.
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post #10 of 17
Thread Starter 
What about the whole dual boot thing?

Does anybody else have both Vista and XP and can boot into Vista but not XP while overclocked?

If anything I would assume vista requires more power and would harder to get into.

Heres another thing I don't understand, maybe someone can explain it to me:

I saved my stable 3.4 ghz overclock settings as a profile in the bios, but it wouldnt boot into XP so I restored the fail safe defaults and it booted fine.

When I loaded the saved bios profile that worked perfectly before, the computer wouldn't boot. Why?

So I ended up starting from scratch and gradually raising everything to THE SAME SETTINGS that I had saved and it worked fine. How does that make sense? Is it my motherboard that sucks at overclocking or do all of them act this way?




Tehmaggot and pjlietz, are you guys using the same motherboard as I am? If not, what are you using?
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