CONFIG_ARM_ETHER1
  If you have an Acorn system with one of these (AKA25) network cards,
  you should say Y to this option if you wish to use it with Linux.

CONFIG_ARM_ETHER3
  If you have an Acorn system with one of these network cards, you
  should say Y to this option if you wish to use it with Linux.

CONFIG_ARM_ETHERH
  If you have an Acorn system with one of these network cards, you
  should say Y to this option if you wish to use it with Linux.

