ndiswrapper is suitable only for NICs - especially wireless cards. I don't understand your question. Please be more specific when posting questions. It would be easier for others when replying.

Try eciadsl. You can get it from http://eciadsl.flashtux.org/download.php install it and the download the synch.bin and extract it to /etc/eciadsl/synch Use eciadsl-config-text to verify your settings. After that you'll see a tap device (probably tap0) # pppoeconf tap0 will scan and ask for credenti...