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Overclocking 2600k

post #1 of 2
Thread Starter 
Good morning guys-

I have been trying to hit my optimal OC on my latest 2600k build. Right now I am sitting stable at 4.6 @ 1.35v.

If I push much harder to 4.8, I can run for a while then eventually get a lock-up (as opposed to BSOD like I get if I run Prime95 at 4.8 or 4.9). In fact last night I woke up to a high pitch squeal. The machine was locked up and the machine mobo speaker had a constant high pitch tone. I don't know what that meant other than, OC has failed in some state that caused the machine to trip out and produce the tone.

My question is - is a lock-up indicative of instability of the OC or something else? I suspect it's directly tied to the OC since I don't get the same lock-ups at 4.6 but I am more accustomed to BSODs when the OC becomes unstable.

Any ideas to try to keep the lock up from happening at higher oc? Upping the vCore to 1.375 didn't do it. I am a bit hesitant to go much higher in fear of shortening the chip lifespan.
Bman2006 Build
(13 items)
 
  
CPUMotherboardGraphicsRAM
i7 2600k @4.6 Asus P8P67 Pro eVGA 570 GTX (2.5GB) 2 x 4GB RipJaw 
Hard DriveOptical DriveMonitorKeyboard
256 Samsun SSD Generic DVD 12x x3 22" Asus (with Matrox 3H2Go) Logitech MX3000 
PowerCaseMouse
Corsair 750w TX Cooler Master Logitech MX3000 Laser 
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Bman2006 Build
(13 items)
 
  
CPUMotherboardGraphicsRAM
i7 2600k @4.6 Asus P8P67 Pro eVGA 570 GTX (2.5GB) 2 x 4GB RipJaw 
Hard DriveOptical DriveMonitorKeyboard
256 Samsun SSD Generic DVD 12x x3 22" Asus (with Matrox 3H2Go) Logitech MX3000 
PowerCaseMouse
Corsair 750w TX Cooler Master Logitech MX3000 Laser 
  hide details  
Reply
post #2 of 2
you are probably hitting that voltage wall. I know with some cpus you need only a small bump to go from 3.8 to 3.9, but to go from 3.9 to 4.0 the bump is huge in comparison. maybe you have hit that point with your oc.

sorry that I don't really know what else to tell you.
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