Why do case buttons have a polarity?

ryan27968

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Apr 25, 2013
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Hi all. I was wondering, if case buttons are reversible, Why do some motherboards show a polarity on them and why do some case cables show a polarity on them?
 

ryan27968

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Apr 25, 2013
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That's what I suspected. Although, if someone is n00b enough to not know it is reversible, they shouldn't be building a pc.
 

ryan27968

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Apr 25, 2013
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Good point.