100Mbps = 100/8 bytes per second, that is 12.5 MB/s.
Regular Zorro2 is only few megabytes per second.
The unity net 100 webpage say "up to 3.5 MB/s bandwidth to CPU (Wide Zorro2) via Katodev's Unity-Bridge".
Even with this 3.5 MB/s it would still be only 3.5*8 = ~28Mbps.
