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393 posts

Ultimate Geek
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  Reply # 486762 28-Jun-2011 10:24
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Aaroona: Ahh okay. that makes sense!
Cheers for the info guys...

So Im running at 1648.6Mhz


My CPU is over clocked to 4.3Ghz as well, from stock 3.4. Turns out the MB has got it so you can select "Power mode" or something, and it will overclock your CPU and have your RAM running at the quickest speed it can. So that's handy, I've been running at full speed since day 1 when I changed it :)




Hi,

out of interest are you running auto or manual overclock?
I note in docs for P8Z68 Asus  that 4.3 was auto outcome but they were going above 5 with no issues?

1414 posts

Uber Geek
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  Reply # 486795 28-Jun-2011 11:29
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D1023319:
Aaroona: Ahh okay. that makes sense!
Cheers for the info guys...

So Im running at 1648.6Mhz


My CPU is over clocked to 4.3Ghz as well, from stock 3.4. Turns out the MB has got it so you can select "Power mode" or something, and it will overclock your CPU and have your RAM running at the quickest speed it can. So that's handy, I've been running at full speed since day 1 when I changed it :)




Hi,

out of interest are you running auto or manual overclock?
I note in docs for P8Z68 Asus  that 4.3 was auto outcome but they were going above 5 with no issues?


if your looking at 5ghz, i hope you have a good cooler and have good knowledge of how to overclock safely. if you gun straight to 5ghz without knowing your pc's limits, chances are you will kill you chip.




gz ftw


1414 posts

Uber Geek
+1 received by user: 11


  Reply # 486796 28-Jun-2011 11:31
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RealityClash:
b0untypure1: this is a menu in your bios

Advanced Frequency Settings Sub Menu (Continued)
BCLK/DMI/PEG Clock Control ..........................:[Enabled]
BCLK/DMI/PEG Frequency(0.1MHz) ......................: 1004
Extreme Memory Profile (X.M.P.).........................:[Disabled]
System Memory Multiplier (SPD) .........................:16
Memory Frequency(Mhz).....................................:1600

spd multiplies the frequency.... so if your frequency is 1000/1004 whatever, then change it from auto, to 16 like you thought. if its unstable, you may need to increase voltage. bear in mind an overclock voids your warranty (kingston is good warranty).
nah ur cpu will be sweet and your motherboard is one of the meanest overclocking boards so dont worry about that.


Thanks for the tips. It's just strange that the RAM is specified as running at 1600MHz when in reality its only running at 1333MHz. It wouldnt be classed as overclocking if Im not clocking it higher than its specified clocks would it? I'd prefer to keep my warranty, considering its a lifetime warranty :)


im sure you would be fine if you take it off auto and set it to the specified specs. i have heard many cases of people leaving things on auto and coming out with "underclocked ram, cpu, graphics etc"  one dude had his AMD 955 quad core at 800mhz a core instead of 3.2ghz !!




gz ftw


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Uber Geek
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  Reply # 486802 28-Jun-2011 11:37
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Turn on the Extreme Memory Profile (XMP)

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Master Geek


  Reply # 486887 28-Jun-2011 14:06
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ok I'll have another look tonight. What exactly does XMP do?

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Uber Geek
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  Reply # 487038 28-Jun-2011 17:48
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RealityClash: ok I'll have another look tonight. What exactly does XMP do?


It should let them run at 1600mhz.


192 posts

Master Geek


  Reply # 487155 28-Jun-2011 21:38
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So I changed it to XMP Profile1 and both sticks are now running at 1600Mhz, thanks for the help guys

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