>> http://www.netbsd.org/Ports/alpha/models.html says that devices 
>> in a 3000/300's turbochannel slots don't work.  Is this still the 
>> case, or is that outdated information? 
>
> The 3000/300 machines have a half speed TURBOchannel.
>
> That uncovered bugs in a few TC cards.  There were also bugs in some 
> of the TC interface chips/logic on the 3000/300.  The rev level of 
> the motherboard can be significant.
>
> A list of TC cards/platforms that are known to work might be helpful.  

DEFTA is running well on my DEC3000/300 (SRM 6.4, board revision
cann't be seen);

fta0 at tc0 slot 0 offset 0x0: DEC DEFTA TC FDDI SAS Controller
fta0: FDDI address 08:00:2b:a3:64:84, FW=3.01, HW=0, SMT V7.2
fta0: FDDI Port = S (PMD = ANSI Multi-Mode)

$ netstat -I fta0 -i
Name  Mtu   Network       Address              Ipkts Ierrs    Opkts Oerrs Colls
fta0  4470  <Link>        08:00:2b:a3:64:84  2825959     0  2987007     0     0
fta0  4470  10.1.1/24     10.1.1.2           2825959     0  2987007     0     0

Tohru Nishimura
Nara Institute of Science and Technology