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First overclock - E6400 - Page 2

post #11 of 43
Quote:
Originally Posted by AMC View Post
Some people say that changing the PCI Express frequency can damage your card and motherboard but others say that it doesn't. It hasn't been proven yet. The standard value is 100Mhz. Changing the value a bit in my opinion is fine. Nvidia and ATI cards react differently to the frequency spectrum. Try it out, it didn't work for me but every motherboard is slightly different.
I burned up an 8800gt by running a 115 PCI-E freq... Run a gpu stress test at 100, then set it to 105 - 110 and run it again, you will see a rise in temps...

It can also lead to HD failure...

Unless if gives a great advantage in overclocking I wouldnt mess with it much. 105 is my limit....
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post #12 of 43
the CPU will def need a bit of V, but I know that core is pretty good w/ OC'nig. just keep an eye on the temp
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post #13 of 43
Thread Starter 
Dumb question I know, but how do you know how much voltage to add? I should just barely bump it up right? Nothing too drastic?
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post #14 of 43
Quote:
Originally Posted by SeeD419 View Post
Dumb question I know, but how do you know how much voltage to add? I should just barely bump it up right? Nothing too drastic?
You should bump it up SLOWLY.

The reason you are BSOD'ing is because of your RAM. Drop your RAM down to the next lowest setting. Or drop it all the way down to 1:1 if you really want to rule it out. Then you can go as crazy as you want with the FSB.

Just watch your temperatures. More voltage means higher temperature. The only voltage you should have to play with is vcore.
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post #15 of 43
Can you take pictures of the bios and send it to me. I worked on this a couple of weeks ago and I don't remember the screens. I've overclocked other computers since then .

Then I can tell you what to do.
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post #16 of 43
Thread Starter 
Errm not really at the moment. My camera phone needs a new adapter because my old one wasn't 64 bit compatible -___- So I'm waiting on that in the mail :/

What you told me in the other thread totally worked though. I'm running 2.30Ghz now and stable. You were right about the Ram speeds, but it doesn't look like it's going to let me lower it any farther...My fsb is 280 right now.

What do you think?
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post #17 of 43
What is the speed of your ram?
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post #18 of 43
Thread Starter 
333Mhz 2gb DDR2

However, I have 4gb DDR3 1333mhz in the mail as we speak (hopefully will be here tomorrow if I'm lucky)

Edit: My mobo supports both types

Edit 2: I think it's 1333mhz...it's 1333 something. It's the highest my board supports. I have some info from cpuz that might help. My ram is running 1:1 right now at 288 Mhz. So I can push it farther?
Edited by SeeD419 - 12/23/10 at 8:10pm
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post #19 of 43
Ya that ddr2 speed will limit you. The DDR3 may help. It depends on the multiplier used.

Get a program called CPUZ and with it you can check your cpu voltage under Core Voltage.

Then get Prime95 and HWMonitor.

Open HWMonitor and run Prime95 and select the second option from the top when it loads. Then just monitor your temps to make sure they are under 70C.

If you don't have errors after 12 hours then your overclock should be stable.

Since you already have ddr3 memory coming in, an upgrade to Sandy bridge or 1156 should not be too expensive. You are looking at about $450-$500 plus a new video card. This is not on the extreme side of the scale but in my opinion is more than enough.

As for your overclock (assuming your CPU is the 65nm version):

I remember seeing two settings for memory, both were set to auto I believe. I forget which one you need to pick first but if you select the lowest one, you should be able to get the FSB to 333MHz with the multiplier setting the ram to 667 respectively (Multiplier or whatever it says to 2.0 in the bios). Set the cpu voltage to 1.45volts. I forget if the voltage control on that board is additive or total. (+300mv being additive). Load up CPUZ, run prime for 10 seconds and see what your Core Voltage is. Then just add enough to get 1.45volts. This voltage should let you boot into windows. Now there is something called voltage droop so when you load CPUZ it may show less. This is a motherboard characteristic.

Now just run prime and check temperatures. If the temps are below 70C and it is stable go back to the bios and slowly decrease the voltage until you find a voltage that made the system stable. You don't want to add more voltage if you don't need to.

If at 1.45 it is not stable, then either drop the FSB slowly or add more voltage to the CPU. I would not go past 1.5 for a 65nm CPU. If the CPU is 45nm I would not go past 1.42.

Another thing I remember about this board is that it did not give the ram the proper voltage. Check the voltage rating on your ram stick sticker and set that voltage for the ram in the bios.
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post #20 of 43
Thread Starter 
Core 1: 32 degrees celcius
Core 2: 36 degrees celcius

Core voltage: 1.248 V

65nm CPU

Are you serious about setting the voltage to 1.45? O.O CpuZ shows way less right now, unless you're talking about raising the fsb even more...my ram shows 290mhz in cpuz @ 2.23Ghz, so I think I'm starting to understand. I can push that until I hit 333Mhz on the RAM?

I'll have to download Prime95 because I don't have it.

I think I may upgrade to some better hardware but for now at least the overclock is a nice little boost.

I checked my RAM sticks and the voltage is correct for my model at least.

Thank you a million for your help so far, you've been extremely helpful on this exciting first overclocking endeavor
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