Andreas Janssen <andreas.janssen@bigfoot.com> writes:
This probably means that the installation kernel you use does not have
built-in support for the card. Select it during the module
configuration to load the driver.
That was the problem. An exact driver for the card (3c509) was listed but
didn't exist. The driver knoppix used (3c59x) was also listed and did exist,
and worked fine.