Motherboard Battery Vs Clr CMOS Button

kengw002

Reputable
Jun 16, 2016
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Is temporarily removing the battery on the motherboards effectively doing the same thing as pushing the "clr cmos" button?

If not, can you explain what will happen differently by doing either option?

 
Solution
Capacitors on the motherboard can store quite a bit of power. Holding the case power button down with the battery out discharges them. I usually recommend one or two minutes to be sure the board is completely discharged. I have experienced many times while playing with overclocks that using the clear CMOS button or jumpers won't properly clear the CMOS.
Capacitors on the motherboard can store quite a bit of power. Holding the case power button down with the battery out discharges them. I usually recommend one or two minutes to be sure the board is completely discharged. I have experienced many times while playing with overclocks that using the clear CMOS button or jumpers won't properly clear the CMOS.
 
Solution

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