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Deciphering CPUZ ID on my 650 Prescott - Page 2

post #11 of 15
Thread Starter 
When you mean scale down, reduce the memory clock to 667? That's where I get confused. In the BIOS, it reads memory clock. Say I set it at 440 Mhz. When I read CPU ID, it reads 110 Mhz. what I believe is that its failing to show me correctly, because for example, If the RAM speed is 667, which is what shows in my BIOS (right?), the frequency in CPU ID should be 333. And then, there, I get pwned. It shows something else, and that whole ordeal makes it incredibly difficult to set a ratio, mainly because there isn't a divider to assist me in the whole process. For example, Boinky, what ratio are you running at? If your FSB is around 230, Your Bus speed should be around 920? I got that straight, but then, what memory clock are you running with the DDR2 667? Maybe that will help me clarify things a bit. I need a frikking example.

Thanks a bunch, by the way.
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Loki
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post #12 of 15
Quote:
Originally Posted by Boinky
You don't need to run the FSB:RAM at a 1:1 ratio, you're just going to gimp yourself. You've got DDR2 667 like me, it's running at 333mhz default with your CPU fsb at 200mhz. So uh 200:333 is what you're sitting at running stock. This is not bad. As long as you have RAM equal to or faster than the CPU FSB you're fine, you'll get more performance out of your ram at this ratio than 1:1. The whole 1:1 is the perfect setup doesn't really hold true anymore with higher speed DDR2. Makes perfect sense with DDR-400 which would run at 200mhz being paired with a CPU with a 200mhz fsb.

If you're still confused, why not try doin a series of benchmarks with various setups. Also, if trying to get your CPU FSB up. As you increase your CPU's fsb make sure to scale the ddr2 667 back down to around 667, or something close, damn x17 multiplier, heh..
This is not necessarily so.

Think of it this way. If you've got your memory running faster than your processor can feed it, what good is it? It is best to keep the FSBRAM at 1:1 so the memory and CPU can work in sync.

When you start overclocking your RAM, you can maintain a 1:1 ratio longer, which is why a lot of us (Intel users) get faster RAM. At this point, if you're RAM cannot reach it's rated speed you can always tighten them up to squeeze a little more performance out of them.
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post #13 of 15
Thread Starter 
How does your motherboard register RAM speed? (like 667 or 333 Mhz for a DDR 667). And what numbers do you have running at 1:1?
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post #14 of 15
I'm running at 247MHz. So it would be DDR494. My timings are at 3-3-3-8. I've been debating on whether or not I should try to lower the TRAS to 6 or 7. I'm actually quite happy with the way it performs now though.
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Elite
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post #15 of 15
Thread Starter 
You mean, your DDR2 sticks are running? See, that's the thing! CPU ID reports half the value. It report mine at one fourth! Now I'm clear, though. Thanks for your help ^_^
Loki
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Loki
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