> > If it's anything like the 11/44 ... the memory bus is carried on the A > > and B connectors, the peripheral bus on the C,D,E,F connectors.
> I have yet to totally grok the -11/44, but the documentation indicates the > slots for memory are memory only (i.e. EUB on the A/B connectors). Are you > saying they are also SPC on the C/F connectors? (If so, ever tried plugging an > SPC device into a 'memory' slot? :-) I thought there were the SPC signals on at least some of the memory slots, but I can't find the module allocation diagram right now. > If so, that would make it very similar to the -11/24, then - although does it > also have the thing where the data lines are connected from the EUB (connector > A) to the SPC UNIBUS (connector C)? The CPU prints show data from the CPU I would think so. The memory management circuitry and Unibus Map affect the address lines. There is one 16 bit data bus for memory and peripherals in these machines I think. -tony
