Sample configurations file for Windows XP -PEAP(FreeRadius 2.0)

Hi All, I'm new to FreeRadius and want to test WIndoes PEAP with FreeRadius 2.0. The network diagram is: Windows XP----AP(with 802.1x proxy)192.168.1.10----FreeRadius 2.0(192.168.1.100) I want to have Windows XP station username/password in a file in Linux server. Anybody has a sample configuration file? Thanks Nick Nie