bad problem with pppd

I've never had problems with pppd, but now I can't log into the Net anymore! I have not changed my conf files. The first time I execute pppd, I get the connection, but the modem hangs in 3 seconds 8^( and this happens with every provider I have tried. The second time I try, I get this messag

booting with a floppy disk

I really need the image files resc1440.bin and drv1440.bin for debian potato. I have a set of CDROMs but they are from a computer magazine and don't have these files!! Where can I get them? I looked for them in the debian web site, but I couldn't find! Thanks a lot, Davide