On Tue, Apr 12, 2022 at 5:55 AM Grant Taylor via cctalk <cctalk@classiccmp.org> wrote: > > On 4/11/22 9:55 PM, Tony Duell via cctalk wrote: > > I am not sure what the actual distinction is, but a 'managed bridge' > > turned up at the local antique market (!) some weeks back. It has a > > pair of AUI ports and from the amount of logic/processor power inside > > it does a lot more than just pass packets from one port to the other, > > Would you be willing to share pictures?
I can do a little better than that, I think. How about reverse-engineered schematics. :-) It'll take a little time to dig them out (schematics and photos) but I am certainly happy to share them. > > > The main board contains a pair of ethernet interfaces (AM7990 based), > > a 68020 processor, ROM, RAM, etc. A board on top of of it called the > > 'FLUT' (Frame Look Up Table?) contains a CY7C901 (16 bit slice ALU -- > > think of it as 4 off 2901 + carry loglc), a 29C10 seqencer, etc > > Hum.... > > > After removing the leaking NiCd from the mainboard and repairing the > > corroded tracks it powers up and passes the self-tests. No idea what > > I'll use it for, but... > > That seems like it would be an interesting piece of networking history > to own. If you're into that sort of thing. ;-) It cost \pounds 5.00 (so <$10). At that price I bought it. If only for the 2U case, the SMPSU, the LCD module, etc. But since it powers up and passes the self tests I am keeping it whole. It is an odd bit of history, too many people preserve processors and not the other hardware that went with them. -tony
