Whats the metal ring for?

  • Thread starter Thread starter JSW
  • Start date Start date
J

JSW

I have just been messing about with an old PC and noticed a metal ring
around the wires that go to the led's and reset switch etc, what is it?
 
I have just been messing about with an old PC and noticed a metal ring
around the wires that go to the led's and reset switch etc, what is it?
Click to expand...
It is a ferrite ring. It is there to suppress RF interference both to
and from the PC. The front panel leads act as antennas.

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Conor Turton
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ICQ:31909763
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