F9: skype problems with microphone

[Marcelo M. Garcia]

Hi

I'm having problems to make my microphone work with Skype. The machine 
is a Dell Latitude D510 with a SigmaTel Coded Chip, but Skype only works 
if I put the device Intel ICH6 (South bridge).

Does anyone have a had a similar problem with Skype?

Thanks

Marcelo