Over clocking old core2duo

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g.sniperafk

Jul 10, 2018
7
0
10
i have an old core 2 duo e8400 in my brother's pc i cant over clock it when I go any thing above above 343 which is 3.08GHZ speed the pc wont boot up i tried to pump up the voltage to 1.35v still wont boot and also tried 1.36 no thing changed still wont boot up , i did see some ppl over clock the same cpu to 3.8~4.2 ghz and i cant go above 3.08ghz the mobo is g41 s2pt and the psu is 500 watts if some one could help me will really appreciate it
 
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7

7664stefan

Honorable
Jul 18, 2013
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Hey, which RAM are you using? When OCing E8400 (nice CPU I used to own as well) the resulting CPU ratio = FSB x multiplier.
If possible please stick to even FSB and adjust the CPU clock via the multiplier.
E.g. if DDR2 800 is installed, go for FSB 400 x multiplier 8 = 3,2Ghz. This will already give you a nice performance increase.
DDR2 667 might explain why you can hardly achieve more than 3Ghz. ;)
 
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g.sniperafk

Jul 10, 2018
7
0
10

my ram is 1333 ddr3 what FSBxMultiplier should i use ?

Update:
it turned to be
whether or not i lowered my Multiplier my pc just wont boot up at any thing above FSB 343 could be Mobo issue or limitation idk
 
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G

g.sniperafk

Jul 10, 2018
7
0
10

my mobo is G41 S2PT and i tried lower multiplier but still wont boot if my FSB is higher than 343

 
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