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Old 2 Weeks Ago   #11 (permalink)
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Originally Posted by ericeod View Post
When I see a failed OC on such a low OC attempt, I immediately suspect the ram divider is too high, and the ram itself is running out of spec. Munchener, run CPU-Z and see what the ram is currently running. It will be displayed in MHz under the "Memory" tab.
CPU-Z says: 400,3 MHz
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Even the slightest OC gives me the BSD...-cpu-z.png  
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Old 2 Weeks Ago   #12 (permalink)
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Click on the Memory tab in CPU-Z take a screen shot and edit your post. That's the SPD Tab there.

I can tell you right now too; the vcore is low as it is. E7xxx's take voltage to run oc'ed. I have only seen like 2 golden E7xx's here on OCN--the rest want voltage.
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Last edited by crashdummy35 : 2 Weeks Ago at 02:16 PM
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Old 2 Weeks Ago   #13 (permalink)
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Quote:
Originally Posted by crashdummy35 View Post
Click on the Memory tab in CPU-Z take a screen shot and edit your post. That's the SPD Tab there.

I can tell you right now too; the vcore is low as it is. E7xxx's take voltage to run oc'ed. I have only seen like 2 golden E7400's here on OCN--the rest want voltage.
I intended that before, but I repeated the Memory tab

Perhaps the auto vcore is pushing too low?
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Old 2 Weeks Ago   #14 (permalink)
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Never overclock using automatic for vcore...

Manually set it to find stability... then push your FSB up just slightly.

Also, as has been said repeatedly, change your RAM multiplier. 800mhz RAM being overclocked without increasing your MCH or DRAM voltages will not allow things to do as they're supposed to. However, tuning it down a bit, playing with your FSB to get an overclock stable, and then messing with your RAM to get it as optimized as possible is certainly advised.

Good luck!
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Last edited by DaClownie : 2 Weeks Ago at 02:25 PM
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Old 2 Weeks Ago   #15 (permalink)
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Never overclock using automatic for vcore...
Even if only increasing the FSB from 266 to 271? Is vcore that important en such small changes?
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Old 2 Weeks Ago   #16 (permalink)
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You'll be taking almost everything off auto anyway.

Here's what he wants to see.

Vcore is the source of cpu power...if you have a stubborn chip, it's very important yes. But let's use the process of elimination to get started here.

Post what your memory is currently running at like the picture I'm attaching.
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Old 2 Weeks Ago   #17 (permalink)
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It certainly can, though it wouldn't seem like such a small jump would be affected. Plain and simple, by manually setting your values, you can eliminate a lot of variables.

Lowering the RAM first would be primary objective (because if you push a great OC out of it, with the lower ratio you'll probably reach the same speed in the end). But, it eliminates the RAM from the list of variables in the equation.

So yea, get the RAM speeds down (well lower than 800mhz so you can eliminate that).

Then, manually set your vcore to what its supposed to be. After its manually set, start the computer up (make sure it boots with its default value.) Then, bump your FSB 5mhz, see if it boots. If it doesn't, go into your BIOS again, bump your vcore one number, try booting.

Trial and error!

Its not a fast process (if you do it right)... It took me 3 days to get my system running smoothly at 4.5GHz. It took another month of fiddling to squeeze out 4.7GHz. Just giving you an idea of what you're in for. (its fun though)
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Old 2 Weeks Ago   #18 (permalink)
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Quote:
Originally Posted by crashdummy35 View Post
You'll be taking almost everything off auto anyway.

Here's what he wants to see.

Vcore is the source of cpu power...if you have a stubborn chip, it's very important yes. But let's use the process of elimination to get started here.

Post what your memory is currently running at like the picture I'm attaching.
Sorry I posted twice the wrong capture! My brain seems to be working as good as my CPU when overclocked!
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Even the slightest OC gives me the BSD...-memory.png  
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Old 2 Weeks Ago   #19 (permalink)
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Yea, so set your Ratio to 1:1 in your BIOS and then work on your OC.
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Old 2 Weeks Ago   #20 (permalink)
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I can see from the CPU-Z screenshot you have SpeedStep enabled. Notice the x6 CPU multi. That means the CPU multi and vcore is dropping when at idle. Try disabling SpeedStep (called EIST or C1E in bios), bump your vcore to 1.275v, and see how much you can push.
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