http://dalelane.co.uk/blog/?p=254
Article on how to get the Huawei E169 running on the EEE PC (a Linux distro). Includes very detailed instructions including links to USB_ModeSwitch.
http://www.draisberghof.de/usb_modeswitch/
USB_ModeSwitch is a little script to help switch multi-mode USB devices between modes. Mostly it's for 3g wireless modems which load initially as a usb drive with the Windows drivers. Compatible with the Huawe E220 and E169.