Help setting up sound on IBM Thinkpad 560X

["Pedro I. Sanchez" <pedro.i.sanchez@altavista.net>]

I finally managed to install Potato in my think pad. However I haven't
managed to install sound (ALSA).
How do you figure out all the required parameters (IRQ's, I/Os, etc.)? 
In other PCs I rely on pnpdump to give me hints on these values but in
the 560X it can't find any pnp card at all.

Does anybody have details available?

thank you,

-- 
Pedro