Vlad, on 26 February 2012 - 02:18, said:
Electrons are always moving. The higher voltages cause higher temperatures which lead to a greater risk of a breakdown in the metal gate (although ESD can also sometime lead to the same damage).
Overvoltage can always damage components, especially those which are sensitive to heat, which is why they have data sheets describing their recommended operating state. The power MOSFETs which provide the CPU with sufficient current to operate are particularly sensitive since higher voltages will cause an almost linear increase in thermal output. At a point high voltages will cause so much current to be drawn that significant effort must be spent cooling the device. Eventually the electric fields can be so powerful that parts of the processor might be damaged (such as ripping doping ions out of the channel), among other unexpected behaviors. This depends on the manufacturing process technology, the dielectrics used, etc.
To clarify, these processors are heavily experimental for me, as i am not afraid to lose a few dollars for the experience.
From what i understand, if i can keep temperatures below recommended average, the increased voltage should be more stable?
I am not running stock cooling, although still air, its doing a good job at it, keeping the temps below recommended at voltages approaching 1.5V.
Nobody answered my question as if there is a large risk for my motherboard to be damaged from this experiment?
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