Hello,new I7-2600K Asus P8Z68 ran 5 min then trip on high temp several times 86,88, 89°C. reworked the stock coolker seat twice. cupid hw shows cores build from around 45°C to 85-93 °C with only cupid running. asked newegg for rma - could it be the board?
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What case are you using and what fan configuration do you have?. Also what are the ambient temps where you live?