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Question regarding P4 2.4 Processor - Page 2

post #11 of 16
Thread Starter 
Yes, my frequencies are locked at 66/33 MHz. It was the first thing I did actually, haha. I read, from your post, that I should stay at stock speed and voltage. In other words, should I run it as it is. You also say 200MHz stock speed.

Err...gosh, Im so lost...The 200MHz vs 204 MHz RAM Speed is the Front Side Bus vs My RAM?
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post #12 of 16
Let's get all of the pertinent numbers into one place -

133 MHz - CPU stock speed (stock external clock speed, FSB is 533 MHz)
200 MHz - RAM stock speed
166 MHz - RAM "starting" speed with 4:5 divider

163 MHz - CPU frequency when overclocked
204 MHz - RAM frequency when overclocked at 4:5

Since your RAM is 200 MHz stock speed, it can almost certainly run at its stock timing and voltages when overclocked to 204 MHz. My suggestion earlier was to not mess with RAM timings since it's only overclocked 2 percent over its stock speed. Yes, the system is overclocked by around 23 percent, but the RAM was underclocked to begin with. The net is a very minor overclock on the RAM.

Does that make a bit more sense?
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post #13 of 16
Thread Starter 
Yes, it makes more sense. Now I only have 1 more question. Should I disable the Configure DRAM Timings by SPD or leave it enabled as it is, and try to continue my overclock?

Just trying to get to at least 3.0GHz, more if possible, but sadly either my CPU, RAM or other factor is limiting me.

P.S: My +12v rail runs at 15A

Also, running at 165.0 External Clock Speed, my frequency raises to 206.3. Seems *something* is raising my RAM and tweaking my timings.
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post #14 of 16
I have a 2.4 Northwood running 100% stable at 2.97. This is on a crap 350 watt power supply with an 18 amp 12 volt rail. My settings are below.

Vcore - 1.7v
No Mem Divider (1:1)
FSB - 165MHz
Timings - 2.5-3-3-6

This thing folds 24/7 at 54°C with stock cooling. Click the "Stable Junk" link in my sig for CPU-Z verification.

Good Luck!
post #15 of 16
That's the 4:5 divider that we've been speaking of. It takes the external clock speed x 5 / 4 = RAM speed. For the sake of finding your CPU's max, set the RAM to DDR266 in the BIOS. Leave timing by SPD enabled. Overclock the CPU as far as you can. You won't likely get it far enough to stress the RAM at 1:1 (you'd have to OC from 133 MHz to 200 MHz...possible on that CPU but a stretch). Once you have the CPU maxed out, revisit the RAM as you can likely squeeze more out of that than running it at 1:1.
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post #16 of 16
Thread Starter 
Alright, I went ahead and tried to place my CPU/RAM Ratio to 1:1. Im going to shoot for my highest overclock at the moment, and then going to go back to 2.8, and work my way up playing around with my RAM timings. Hopefully I'll get the true result I want, 3.0GHz, and a good and happy new material in my book on the way.

Thank you very much Taeric, REP+ for you!
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The Shehanigator
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