I tried a work around i.e. installing Win XP as guest using VirtualBox and then running the modem from win XP seamlessly but ran into another brickwall. it gives the following error when I try to enable the Samba 75 for win XP: Failed to attach the USB device Siemens AG Wireless modules to the Virtual Machine Windows XP. Failed to create a proxy device for the USB device (error VERR_READ_ERROR). -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.centos.org/pipermail/centos/attachments/20080315/e609f3df/attachment-0003.html>