[CentOS] how do I make my headset work

On 6/5/2015 2:16 PM, Michael Hennebry wrote:
> On Fri, 5 Jun 2015, g wrote:
>
>> On 06/05/2015 03:43 PM, John R Pierce wrote:
>>> On 6/5/2015 1:33 PM, Michael Hennebry wrote:
>>>> It's a desktop in an old house.
>>>> The outlets have ground-fault protection,
>>>> but the third prong is ungrounded.
>>>
>>> not sure how GFI would function at all without a valid ground, unless
>>> the GFI is wired to neutral, which is dangerous on its own.
>
> As I understand it, GFI sums the currents going into each prong.
> If the sum is not close enough to zero, it breaks the circuit. 

I thought it monitored the current on the ground pin, and if there is 
ANY significant ground current, it disconnects the line and neutral 
pins, shutting the socket off..



-- 
john r pierce, recycling bits in santa cruz