Which /dev for modem on new powerbook

I am trying to get my modem working with my new PowerBook. I have installed the latest kernel and Debian Potato. I have setup ppp with "pppconfig" but when I type "pon" the prompt just returns. I have a feeling that a device of /dev/ttyS0 is not appropriate for powerpc machines. What is the appro

[ANN] New kernels, gmac, airport, usb...

I've uploaded a new test kernel (2.2.17pre9-ben1) to the web page at This kernel contains all the various updates and fixes made since the latest release, add some new stuffs like: - New USB backport from 2.4 (Suse latest backport) - New GMAC driver with