I downloaded the latest Knoppix and tried to boot that. However i get this error message while hotplug is searching for devices.

insmod: a module named atm already exists
/lib/modules/2.4.22-xfs/kernel/net/atm/atm.0 failed

insmod: speedtch failed

the message is repeated twice then Knoppix just freezes and I have to force a reboot. My mobo does have one of those modem riser things which I tried to turn off in the Bios but I still get this same error message.