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Old 12-07-2003, 11:46 PM   #1 (permalink)
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Need some advice

Hello all

I have been scanning through the forum (very nice btw) looking for answers and I have gotten some good info already thanks.

Here is the dilema

I am fairly new to overclocking and modding, but so far here is where I am at.

I have a AMD XP 2600+ with 1 gig of DDR pc3200 400 on a MSI K7N2 Delta ILSR motherboard, with a serial ata drive and a radeon 9700 pro.

So far im running at 1:1 memory with the FSB at 185 , so my dram clock on boot up it 370 and the cpu is currently at 2130 mhz,

I have read through some posts and looks like i can get higher, but have not gotten there with any stability....i tried the cpu voltage but that didnt seem to work system would not boot so its currently on auto on working fine so far.

Also would love any tips on juicig up the vido card as well.


So how have I done so far?

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Old 12-08-2003, 12:38 AM   #2 (permalink)
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Well, there's a couple reasons why you're likely not getting any higher with your overclock. One, is heat. If your CPU gets too hot, you start to lose stability. Keeping your CPU under 55C full load is a good idea, and lower is always better. Increases in clock speed and voltage add to heat, and will compound that problem. What HSF are you currently using? How about your case fans? How many, where are they located?

Also, depending on the revision of your mobo, the nForce2 chipset northbridge you are currently using may or may not be able to handle a 200MHz FSB. If you're using the newer nForce2 Ultra 400 northbridge, then you're set. If not, then it's pretty much a crap-shoot as to whether or not you will be able to attain a 200MHz FSB at any CPU speed.

What I would do, in order to better identify what component is causing your overclock to hit the ceiling, would be to turn the multi for the CPU down to around 9, and increase the front side bus a few MHz at a time, until you start experiencing instability. At that point, turn down the FSB a notch or two, and then start increasing the CPU multiplier, by .5x at a time, until you start experiencing instability. At that point, you can try increasing the VCore to compensate, or back the multiplier off a little bit. As far as what you will be able to attain, it really all depends on the CPU and the motherboard. You have good memory for overclocking, and the nForce2 boards are as good as it gets for AMD overclocking. If you have a T-BredB revision chip, that's good too. But, no two chips, even cut from the same piece of silicon, are created equal, and your results will vary. Just watch the heat, and increase everything only a few MHz at a time, and you'll be lookin pretty good.
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Old 12-08-2003, 12:51 AM   #3 (permalink)
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Thanks for the reply.


Heat so far hasnt been an issue its hovering around 37c cpu and case temp 35c....as for fans 2 front intake 80mm 1 side intake over the agp slot 80mm....2 rear exhaust 80mm...psu intake above the cpu and then out the back


So far I have been playing with the FSB I havent located the cpu mulitplier in the bios yet but will continue to look.
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Old 12-08-2003, 05:44 AM   #4 (permalink)
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Talk

Have to say great reply, beppodmime helped me.

One thing i would add, as im a new person to Ocing, is that i made the silly mistake of changing more than one variable at a time. Id surgest that you change only one thing at a time and then test - takes ages !

But thanks to the advise i got here, and a good few hrs playing around i got some nice results. I am sure you will do the same.

Also one thing i found helpfull, is find where the clear CMOS is, i know i use it alot

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