I've had issues like that before with those VIA boards - it wasn't running the PCI card (it was [past tense] actually an IRLP node)... I never did succeed at eliminating the noise - even swapping the power supply didn't change much. Just having the PC hooked up to the contoller was enough for the noise to appear - I didn't even need to bridge the audio over.

73

- Jeremy, KD0EAV

On 01/24/12 13:08, Ron Simpson wrote:

Hey guys,

I am running an 800mhz VIA ITX Board and a quad pci card. The board is 2004 vintage. I have a distinct noise on TX audio both through my node and remote base. I have shielded cables to both remotes, I have replace the power supply and greatly reduced the high pitch noise.

An interesting note: the tx audio port is quiet when first booting the node pc. Once asterisk is running the noise returns.

Has anyone seen this before? Do I have a bad main board or did I miss something else..

Thanks for your help!

73,

Ron - N6GKJ

73,

Ron - N6GKJ
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