Increasing cpu voltage (on Via 266 chipset)

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I want to know about increased cpu core voltage.  Thank you for any
info.  Below is my situation.


I have a somewhat old Syntax mobo based on a Via 266 chipset.  I use
a socket-A Duron 1.8GHz and it runs cool (under 50 degrees C at full
load).  SD-RAM timings are as fast as I can set them.

Unfortunately my mobo does not allow me to adjust the frequency
multiplier to the cpu.

All I can do is speed up the FSB (from 133 MHZ to no more than 140
MHz).  This slightly speeds up the processor.  The biggest
improvements from doing this seem to come from faster memory and
faster plugin cards.


In addition, I can increase the cpu voltage by 25mV, 50 mV or 75mV.  
When I try one of these increased voltages it doesn't seem to do very

My question is this:  

If all other things are equal then would the increased cpu voltage be
expected to improve cpu stability?  

OTOH would this also shorten cpu life appreciably?

Thank you.  


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