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I have a ASUS Sabertooth X79 motherboard with a 3930k chip. I overclocked the CPU about 2 weeks ago, and the GPU a few days ago. The CPU overclock tested stable in Prime95 and IBT, temperatures were all good. Yesterday I noticed a burning smell, I checked around inside the case and narrowed it down to the CPU area. I checked the temperatures and everything looked normal.
After a reboot the smell went away. It did, however, crash later in the day and wouldn't boot until the bios was reset. I lost the overclock settings after the reset, but I do remember that the CPU voltage was at 1.385v and the clock was 4.7GHz.

Any ideas on what went wrong? Was the overclock pushing the system too far despite good temperatures and passing 24 hours of Prime95?
R2012
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R2012
(34 items)
 
Home Theater
(18 items)
Office Rig
(15 items)
 
CPUMotherboardGraphicsRAM
Intel i7 3930k @ 4.7GHz ASUS Sabertooth X79 ASUS GTX Titan 6GB Corsair Dominator Platinum 32GB 
Hard DriveHard DriveOptical DriveCooling
Samsung 840 Pro 256GB Seagate ST4000DM000 4TB LG Blu Ray Burner Aquacomputer AMS 360 
CoolingCoolingCoolingCooling
XSPC Razor GTX Titan Backplate FrozenQ Nova Core 220 3x Aerocool Shark 120mm 3x NoiseBlocker NB-eLoop B12-4 
CoolingCoolingCoolingCooling
96" Primochill 1/2" OD Clear Rigid Acrylic Tube 8x PrimoChill Rigid Ghost Compression Fittings AquaComputer Aquaero 5 Pro with Black Faceplate Aquacomputer Aquastream XT 
CoolingCoolingOSMonitor
XSPC RayStorm Water Block XSPC Razor GTX Titan Water Block Windows 8.1 Pro x68 Dell UltraSharp 3008wfp 
MonitorMonitorMonitorKeyboard
Dell UltraSharp U2410 Dell UltraSharp 2007fp Dell UltraSharp 2007fp Corsair K95 RGB 
PowerCaseMouseMouse Pad
Corsair AX1200i Lian-Li PC-v2120b (Modified) Logitech G502 Proteus Core Razer Vespula 
AudioAudioAudioOther
2x Dynaudio BM5a Reference Monitors PreSonus Firebox Beyerdynamic DT 990 Pro Logitech G13 Gamepad 
OtherOther
Saitek X52 Flight Controller APC Smart-UPS SMT2200 1980 Watt/2200VA Battery ... 
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Reply