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i5 2500k 48x Multiplier barrier

post #1 of 3
Thread Starter 
Is it just me or is it normal to hit a barrier when over clocking of 48x on 2500k

I understand that there is a limit for every cpu. Though I can reach 48x on 1.38v vcore but as soon as I push it to 49x I get boot loops.

pll is enabled and have taken the vcore up to 1.5v and still boot loops. It doesn't get past bios screen.
Is this normal or/and is there something I can do?

z68xp ud4
silver arrow cpu cooler
16 gb kingston hyperx
700w psu

llc level 4
qpi/vtt up to 1.1v
post #2 of 3
Every chip has a hard multiplier limitation - mine happens to be 54X, though to get there I need a lot of voltage, so I run it at 50X @ 1.42v. There isn't anything that you can do about the limitation other than get a different chip, though be happy that you get 48X, some can't get past 44X or 45X. Also you can try upping your BCLK a bit if you know what you're doing and gain a bit out of that (if your chip set can manage 103mhz you would be looking at 4.944ghz @ 48 multi) though most won't recommend it unless you're really trying to get the most out of your CPU and know exactly what you're doing smile.gif
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The Laptop
(6 items)
 
  
CPUGraphicsRAMHard Drive
Intel i7 2860QM AMD Radeon HD 6770M Corsair Vengence 1600MHz Samsung 840 Pro 256GB 
OSMonitor
Mac OS X 10.8 1680 x 1050 anti-glare high resolution  
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post #3 of 3
Thread Starter 
Thanks for the reply, I have had the BCLK up to 103 Mhz at a multi of 44, I thought upping your BCLK at your max multiplier was a bad idea.
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