I believe the latest version (20041007) posted by ADH in this thread support kernel 2.4.4 and TiVo software 3.1.1x. The description is in post#12; the files are an attachment to post #4.Originally Posted by pab
These might still be considered experimental (isn't every hack?), but they seem to be working for the people that have tried them AFAIK.
You can also see this thread for prior 2.4.4 usb2 modules.