Just saw this train of posts by chance.
I have a CaTTamaran that was removed from a TT (by a previous owner) a good while back. I do not know if it was working at the time. It is missing a 3-pin connector that should attach to the motherboard via a short wire harness (according to the docs). The connector isn't the problem - it's the question of where on the CaTTamaran it should connect to
. I think you would need to find a helpful owner of a working system to figure that out.
The good news is that it comes with a readable SSDD diskette and the instructions
Available for the cost of packing & postage, likely around $6 to the US, $10 internationally. Please email me directly (I don't check this board very often) and I'll give you an actual cost. You can pay by cheque, money order or PayPal. If I get more than one request in the next week or so, I'll flip an N-sided coin
For those people looking for a schematic, I'm not sure it would help. The board has two custom chips: a GAL, and a chip labelled CYRELM16A. I think you'd have to know the logic they implement ...