Problems errors ram with cpu vcore change on k7n2 delta2 platinum

hello
i'm a french new owner of k7n2 delta2 platinum and i got something strange.
I have 2*512 PC3200 cas3 of kingston value ram with voltage 1.75 instead of 1.6v running in dual CAS 2.5/3/3/8 at FSB 195 like the cpu : 2500xp barton.
With occt and memtest86+ i'm stable with a CPU vcore at 1.725.After 195 the computer starts but not really stable. So i put the cpu vcore at 1.75 to put higher fsb and then i get thousands RAM errors with memtest. i tried with cas 3/3/3/11 and it was worst. On the bios B6 i tried with different settings : agressive, optimal, 1/1, auto, manual, patch ddr or not...and always the same. My PSU is 450w and i've 4 HD 1player 1 burner.
Of course i'm happy to reach 195 but i feel disapointed to be stop with this problem of vcore/ram

Quote from: osnavi on 23-September-05, 11:36:11
"...So i put the cpu vcore at 1.75 to put higher fsb and then i get thousands RAM errors with memtest..." I would say it's not the v. core but the CPU o/c. that gives that errors, as it make not sence to increase v.core only for itself.
Oh yes it does
The CPU and memory work hand-in-hand. If one is out of sync it can cause the other to start spitting out errors.
You are overclocking and that more of a scientific art, not an exact science.
Components react differently to an entire list of variables, especially the CPU/memory.
What you are trying to do requires trail and error testing however I agree the Kingston memory is holding you back at this point with the clock you are pushing
I would go for the most stable FSB settings that allow Dynamic Overclock to be enabled to SERGEANT before I would go for ultra High FSB because you will peak the system at its highest performance curve when you need the boost, and I would bet money that peak would be higher than any strait FSB over-clock you can hit stable.
Psychologically allot of people think their systems are not running the highest performance it can unless they set the system up at the highest FSB/multiplier and that is simply not true with dynamic overclocking enabled and correctly tuned with the rest of the components.

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    hello
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    the thing to check is the vdimm voltage for the ram ... i'm pretty sure it should be around 2.6 volts .. try upping it one step
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