...today's random unsupported hardware includes one: 

Dec  2 18:04:55 addiction /netbsd: RNS 2200 FDDI (FDDI network, revision
0x03) at pci0 dev 11 function 0 not configured 

Dec  2 18:09:52 addiction /netbsd: RNS 2200 FDDI (FDDI network, revision
0x03) at pci0 dev 11 function 0 not configured 

...it is not probed by fpa(4). 

Google is suprisingly unhelpful as well.  It's rumored to have
originally been used in a sparc64 class machine (u5, u10), but i can't
seem to find any solaris kernel modules for it. 

The card is a generic PCI board with an RJ45 interface. I'll follow-up
if I find anything useful. 

-lava