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CPU speed in Relation to RAM speeds...

post #1 of 27
Thread Starter 
Great forum by the way. I've gotten into PC's quite heavily over the past two months, much of it through reading this forum. I've finally registered, and had a question regarding my rig. With my P5NSLI and the Corsair 5400(675), why is it that I cannot take my D 920 over 3.7? I've left the Vcore at Auto, but I've set the VDIMM at 2.1V(Max for the board). Tried to raise the Vcore, but it proved unresponsive via stability. Idle temps for CPU are 28C and at Full Load 34C... Any suggestions, or should I upgrade mobo and memory to something that supports 800 memory? Thank you for your input...
    
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post #2 of 27
Thread Starter 
Another question in relation to the post above is , should I just upgrade to a better board and PC6400 RAM so I have more headroom for OC'ing? Thanks...
    
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post #3 of 27
Thread Starter 
bump
    
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post #4 of 27
how high did you try raising the vcore? Auto might have bumped it up some...so when you're "raising" it..you might actually be lowering it.

Keep trying to bump it up until temps become a problem....55C or there abouts.
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post #5 of 27
Thread Starter 
I appreciate the suggestion, I will try that. The highest i've tried thus far has been 1.45V, knowing the stock Voltage is 1.3 or below. Figured the intial speed of the ram would cause it to fluctuate and crash. I'll try it. Thanks
    
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post #6 of 27
Thread Starter 
Also, PCprobe courtesy of Asus shows the voltage at 1.22V when I have it set at 1.36 and so on. Is this a noob question?
    
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post #7 of 27
Quote:
Originally Posted by jcbzhnsr1
I appreciate the suggestion, I will try that. The highest i've tried thus far has been 1.45V, knowing the stock Voltage is 1.3 or below. Figured the intial speed of the ram would cause it to fluctuate and crash. I'll try it. Thanks

well when you get that high....it might need closer to 1.5...maybe more..I'm not sure about intels...

Also, you won't really need better ram...you can always try dividers.
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post #8 of 27
Thread Starter 
I've heard the term dividers before, but I can't seem to locate the option in my Bios... Is this like the LDT?
    
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post #9 of 27
Thread Starter 
Almost all reviews of the particular Pen D I'm working with have all stated a 1.45V V-Core for anything above 3.92Ghz and so on... I'm really stumped.
    
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post #10 of 27
I have a P5Nsli which I am about to RMA. I cant get it to run 3d app's for longer than 15minutes. I have swpaaed everything out on the board with no luck. NB temps are 130ish at 800fsb idle.
The LTD frequency is the speed between the NB and the SB. This is something unique to the nforce series chipsets, i believe. As for oc settings...there arent much on those boards as far as voltage adjustments go, you might just be at your limit for the operating speed of the board at your current voltage.
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