"Static" noise on audio - problem solved but may be of int..

Archived from groups: alt.comp.hardware.pc-homebuilt (More info?)

sometimes one 'assumes' the pinouts are the same on the analog cable, from
the ROM to the audio input.


<mike.leeder@blueyonder.co.uk> wrote in message
news:l3sr21ll015tl0uk0qfvf5802flu6q546j@4ax.com...
> Hi,
>
> I've just finished putting together a system built from "oldish"
> parts.
>
> Asrock K7VM2 motherboard, with onboard sound, video etc.
> Maxtor 80 gig drive
> Liteon *52 Cd writer
> Athlon 2000+
>
> All seemed well until testing the sound. I found static noise was
> coming through with the audio. Seemed to be caused whenever the hard
> disc was active, but not too sure if this was the cause.
>
> Tried a few things like
>
> Checked the internet to see if anyone else had the same trouble
> Updated the drivers
> Changed the IDE leads, maybe one was damaged
> Even moved the drive out of the case to see if that helped.
>
> Eventually disconnected the audio lead that went from the back of the
> Cd drive to the motherboard. Cds now play fine and I can only assume
> the audio travels down the IDE lead. Problem must have been caused by
> the audio only lead passing the same signal and giving some sort of
> staticy feedback ?
>
> Just mentioning this as it may be of use to someone in the future.
>
>
> Mike
>