/* Probe for the E2100 series ethercards. These cards have an 8390 at the
base address and the station address at both offset 0x10 and 0x18. I read
the station address from offset 0x18 to avoid the dataport of NE2000
/* Probe for the E2100 series ethercards. These cards have an 8390 at the
base address and the station address at both offset 0x10 and 0x18. I read
the station address from offset 0x18 to avoid the dataport of NE2000