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Athlon 64 3400+ o/c and BIOS question - Page 2

post #11 of 16
Thread Starter 
my 100%load temps are 44-45 C and this is after leaving the machine on for a few days.

i think you said the same thing i did in my post above about the divider
it just took me a while to see the relation between all teh numbers.
thanks.
BTW, in my bios, memclock value isnt ddr value/2 it is the ddr value itself. ie. options are 400,333,266,200. so they will be divided by 400 and not 200. the result is the same tho....since 266/400=133/200.
and i just named whatever variable cpuz showed in teh denominator as the divider assuming it is the right terminology cus im noob at this.
sux if i cant do any more o/c.. but i guess i can upgrade it.
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post #12 of 16
Your temps are OK, you could try pumping up some more voltage. Just to be sure it's not the mobo that is the bottleneck you can try reverting to stock multi. This way you could achieve higher CPU speed with lower HTT, so less stress on the mobo.
A core voltage of 1.625 should be fine considering these temps.
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post #13 of 16
Thread Starter 
hey guys,

For some reason, i cant get my memory to run faster than 400MHz.
If i set my divider to 1:1, the bios resets it automatically to 333/400.
so if i set my multi to 11, i cannot boot with 1:1 divider. theoretically this should be my stock settings. ie. 2.2 GHz (200*11), 400MHz mem spd, 4x HT.
but unless i reduce my fsb to 199, it wont let my memory run at full speed.

So, the only way i can continue overclocking this thing is to reduce multiplier and divider.

now, lets say my multi is 10.5, i can get stable to 2467 MHz, mem spd = 380MHz. but i get lower benchmarks on pcmark, aquamark, 3dmark than when i run stable at muli of 10 and fsb 240, mem spd = 400Mhz.

So, what should i do now? is it worth running at lower memory speed to gain cpu speed?

my memory is 2-2-2-5 xms corsair PC3200PRO DDR400

By messing around i found that i have to significantly increase my cpu spd at lower mem spds to equal benchmark results ??

please help!
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post #14 of 16
It's not the memory it's the CPU. I had a 3400 Claw and all I could get out of it was 2.4 and I was having the same problems as you are now. If you can sale the claw cpu and try to find yourself a better cpu..Sorry for the bad news, but the claw is no good at overclocking in my book
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post #15 of 16
yes Lone is right the Clawhammer core just isnt a good OCer
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post #16 of 16
Thread Starter 
okei! thanks a lot

Now ill just get to work o/cing my graphics card.

ps: Is it worth replacing my 3400 clawhammer with another 754 chip? or should i just sell the mobo, and cpu and buy a sock 939/940 one?
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