Conexant chipset:
      http://www.olitec.com/adsl-linux.html
      http://accessrunner.sourceforge.net

  Alcatel chipset:
      http://speedtouch.sourceforge.net
      http://linux-usb.sourceforge.net/SpeedTouch
      http://cp4218.sourceforge.net
      http://sourceforge.net/projects/zyxel630-11
      http://sourceforge.net/projects/aam6000ug

  Texas Instruments chipset:
      http://co800.sourceforge.net

  Analog Devices Inc. (ADI) chipset:
      http://www.eagle-usb.org
      http://www.sagem.com/web-modems/download/support-fast1000-en.htm

  Modem Elsa USB ADSL:
      http://sourceforge.net/project/showfiles.php?group_id=69106

  Wiki page listing all DSL chipsets/drivers:
      http://dsl.linux.it/DSLChipsets

  Portal with Adsl USB modems drivers links:
      http://www.adsl-hq.com/adslusbmodems/