2400 motherboard - I/O board compatibility?

[Marc]

>...but  Sidney Ho states that some motherboards and I/O boards need 
>to be compatible as far as how you can tell this he has never 
>clarified

Anyone on the list know anything about identifying which I/O boards 
is compatible with which motherboards?

Anyone want to toss in their two cents re swapping I/O boards, over 
and above the usual comments regarding general 2400 disassembly?

Marc