[mythtv-users] new MoBo, new noise

[Tim Sailer]

On Mon, Oct 04, 2004 at 11:24:28AM -0400, Josiah Royse wrote:
> On Mon, 4 Oct 2004 10:47:02 -0400, Tim Sailer <tps at buoy.com> wrote:
> > speakers into either (builtin or SB) of the speaker jacks, the buzzing
> > shows up. If I pull the network cable, it goes away, mostly. Load on
> 
> These are  just a general suggestions that came to me (you may have
> tried these):
> 
> Have you adjusted the output volume of the soundcard up, and the
> external speakers down?  I used to get buzzing from external speakers
> amplifying general background noise.

Yup.

> A/C line filter such as a ISOBar (expensive) down to a $8 capicitor
> three prong plug-through.  I have noticed these cut down on A/C noise,
> such as electric motors on the same circuit - but you said it was
> internal related noise-

It's plugged into a UPS.

> A/C wiring- If you plug in a UPS/smart Power strip does it indicate a
> wiring fault./bad ground?  I moved into a house that the owner
> mis-wired a few outlets

Nope. Same power cord, etc. Just a different MoBo.

> Power supply on PC- is it possible to swap the PS with a similar one
> temporarily?

I can try that.

> I have heard buzzing on Laptops similar to what you describe on
> network/H.D. access which I always attributed to lack of grounding
> wire- many laptops don't have a three-prong power cord.

I'll give the power supply swap a try. It can't hurt at this point.

Tim

-- 
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>><<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
>> Tim Sailer                       ><  Coastal Internet, Inc.          <<
>> Network and Systems Operations   ><  PO Box 726                      <<
>> http://www.buoy.com              ><  Moriches, NY 11955              <<
>> tps at buoy.com                     ><  (631) 399-2910  (888) 924-3728  <<
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>><<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<