3Com 3c501 - "avoid like the plague" (3c501 driver)
3Com 3c503 (3c503 driver), 3c505 (3c505 driver), 3c507 (3c507 driver), 3c509/3c509B (ISA) / 3c579 (EISA)
3Com Etherlink III Vortex Ethercards (3c590, 3c592, 3c595, 3c597) (PCI), 3Com Etherlink XL Boomerang (3c900, 3c905) (PCI) and Cyclone (3c905B, 3c980) Ethercards (3c59x driver) and 3Com Fast EtherLink Ethercard (3c515) (ISA) (3c515 driver) Newer versions of this drivers are available at Donald Becker's site Avoid the 3c900 card when possible as the driver is not functioning well for this card.
3Com 3ccfe575 Cyclone Cardbus (3c59x driver)
3Com 3c575 series Cardbus (3c59x driver) (ALL PCMCIA ??)