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Help overclocking Athlon 64 3000+ (Orleans) Socket AM2 on MSI K9MM-V (Model MS-7312)

post #1 of 5
Thread Starter 
I need help overclocking to as high as it can go on the cooling fan that comes with the processor. The BIOS settings are default besides that I put Cool'n'Quiet on auto. I tried doing some FSB changes like from 200MHz to 205MHz, but that changed me from 1.80GHz to 1.85GHz. I want to know how high can I go. The only thing I know so far about overlocking is changing the FSB from 200MHz to whatever. Please tell me other things I can do to make it better also and how high can I go. If you need any more information please tell me and I will try to find it for you. Thank you very much!
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post #2 of 5
ok. with the AM2 chips you need to play around with the memory divider to get a good oc out of your chip...

I see that your ram runs at 333mhz @ cas5. Thats pretty slow and is going to limit your success at ocing a little... You may want to consider buying a nice ddr2 800 kit from the egg or else where...

your cpu has a fsb of 200mhz stock. The 3000+ that you have runs at 1.8ghz. That means 1.8ghz / 200mhz = 9x multiplier. This means for every 1mhz you oc the fsb on your chip you will gain 9mhz cpu speed.

200fsb = 1.800ghz
210fsb = 1.890ghz
220fsb = 1.980ghz...

300fsb = 2.700 ghz... I'm going to say that a 300fsb might be a little to high for your setup to run stable...

You will probably get around 250-260mhz out of your fsb on that chip, but there is no way to say for sure. Each chip is different.

that AM2 chip has an integrated memory controller that you cannot co

When you up the fsb is oc's your memory as well. Your motherboard should default to a 1:1 ratio on the ram divider. Which means that your fsb is at 200mhz and your memory is at 333mhz.

You need to run your ram at 333mhz for the following info to make sense for your setup... If you cant get your ram running at this speed, let us know, and we can take it from there...

so this is what happens when you oc your fsb and how it effects your ram running at a 1:1 ratio:

200mhz = 333.00mhz memory
210mhz = 349.65mhz
220mhz = 366.30mhz...

300mhz fsb = 499.5mhz mem... your computer will not run at this setting unless you have really good ram. But from what i can see, you will not be able to oc your ram this high, or anywhere close... you MIGHT be able to squeeze out 400mhz at cas6 or something, but your better off keeping your ram around 333 at cas 5...

This is how you use the ram divider...

Your going to see something like this in the memory divider:

1:1 (default)
2:3
4:5

If you know some basic Algebra, then this will be easy to figure out... this is how all that works.

Ratio's are fractions. So when you see a ram divider setting "4:5" that means that your ram will run at 4/5 the speed of a 1:1 ratio...

so if you have a 4/5 ratio (fraction) set on your ram, it will looks something like this...

200mhz(cpu) = 333mhz(1:1 ratio memory)

apply the 4/5 ratio, it will look like this:

4/5 * 333 = 266.4mhz.

You don't want to do this until your ram gets going much higher than the rated 333mhz.

Example OC setting:

250mhz fsb = 416.25mhz memory @ 1:1 (this probably wont work)
250mhz fsb = 333mhz memory @ 4:5 (Perfect setting.)
250mhz fsb = 277.5mhz memory @ 2:3 (this will run your ram to slow.)

But you can go higher I'm sure!! I am going to take a guess that you will probably get that chip running at around 2.4ghz with a little help from "Mr. Voltage"

But i think I'm going a little to fast...

Check out all this, let it sink in, try out a few things and get back with some feed back and we can take it from there!!

you don't want to run that "cool'n quiet" crap... turn the cpu fan on max and forget it... its not that loud and it will help cool your chip from the ocing your doing...
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post #3 of 5
Thread Starter 
Quote:
Originally Posted by JoBlo69 View Post
ok. with the AM2 chips you need to play around with the memory divider to get a good oc out of your chip...

I see that your ram runs at 333mhz @ cas5. Thats pretty slow and is going to limit your success at ocing a little... You may want to consider buying a nice ddr2 800 kit from the egg or else where...

your cpu has a fsb of 200mhz stock. The 3000+ that you have runs at 1.8ghz. That means 1.8ghz / 200mhz = 9x multiplier. This means for every 1mhz you oc the fsb on your chip you will gain 9mhz cpu speed.

200fsb = 1.800ghz
210fsb = 1.890ghz
220fsb = 1.980ghz...

300fsb = 2.700 ghz... I'm going to say that a 300fsb might be a little to high for your setup to run stable...

You will probably get around 250-260mhz out of your fsb on that chip, but there is no way to say for sure. Each chip is different.

that AM2 chip has an integrated memory controller that you cannot co

When you up the fsb is oc's your memory as well. Your motherboard should default to a 1:1 ratio on the ram divider. Which means that your fsb is at 200mhz and your memory is at 333mhz.

You need to run your ram at 333mhz for the following info to make sense for your setup... If you cant get your ram running at this speed, let us know, and we can take it from there...

so this is what happens when you oc your fsb and how it effects your ram running at a 1:1 ratio:

200mhz = 333.00mhz memory
210mhz = 349.65mhz
220mhz = 366.30mhz...

300mhz fsb = 499.5mhz mem... your computer will not run at this setting unless you have really good ram. But from what i can see, you will not be able to oc your ram this high, or anywhere close... you MIGHT be able to squeeze out 400mhz at cas6 or something, but your better off keeping your ram around 333 at cas 5...

This is how you use the ram divider...

Your going to see something like this in the memory divider:

1:1 (default)
2:3
4:5

If you know some basic Algebra, then this will be easy to figure out... this is how all that works.

Ratio's are fractions. So when you see a ram divider setting "4:5" that means that your ram will run at 4/5 the speed of a 1:1 ratio...

so if you have a 4/5 ratio (fraction) set on your ram, it will looks something like this...

200mhz(cpu) = 333mhz(1:1 ratio memory)

apply the 4/5 ratio, it will look like this:

4/5 * 333 = 266.4mhz.

You don't want to do this until your ram gets going much higher than the rated 333mhz.

Example OC setting:

250mhz fsb = 416.25mhz memory @ 1:1 (this probably wont work)
250mhz fsb = 333mhz memory @ 4:5 (Perfect setting.)
250mhz fsb = 277.5mhz memory @ 2:3 (this will run your ram to slow.)

But you can go higher I'm sure!! I am going to take a guess that you will probably get that chip running at around 2.4ghz with a little help from "Mr. Voltage"

But i think I'm going a little to fast...

Check out all this, let it sink in, try out a few things and get back with some feed back and we can take it from there!!

you don't want to run that "cool'n quiet" crap... turn the cpu fan on max and forget it... its not that loud and it will help cool your chip from the ocing your doing...
thanks for helping me sooo much, well first off i cant go over 232 fsb (it dun let me) and i onlly have a heatsink (one that sits on the processor, the standard one that came with it) and not anothre fan and that cpu frequency ur talking about is that the 800MHz default one or the ddr thing where i can go from like 400 to 533 to 667 to 800 and i turned off cool'n'quiet o yea by the way i dont have any ratio things that i saw on my BIOS

btw i might buy another 2gb of ram
    
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post #4 of 5
the first thing you should buy is a new motherboard!!!!

If you say your current board does not give you the option of going over 232 fsb and there is no memory divider, dump it and get a new one...

with your current board, 232mhz fsb will only oc your cpu to 2.088 ghz... thats a slap in the face...

Get a new motherboard first thing... then get some ram... then better cooling if you want...

I'm not exactly sure what board to get, but here are my opinions on decent Am2 boards...

http://www.newegg.com/Product/Produc...82E16813131011
http://www.newegg.com/Product/Produc...82E16813127003
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post #5 of 5
I have the same board, and am new at this so i don't know the limitations of a bios but can u flash it and get more digits out of it?
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