[comp.sys.ibm.pc] Motherboard Memory vs. Expansion Slots

bkliewer@iuvax.cs.indiana.edu (Bradley Dyck Kliewer) (08/27/88)

Earlier, I asked whether the IBM Model 50Z needs 2M installed before adding
expansion cards.  Since nobody replied, I'm guessing there are not enough of
these machines out there for anybody to know.  So, I'll ask a related question.
Why do PC's and AT's need a full complement before adding expansion cards?  Is
it because the open sockets cause problems, i.e. they look like a constant
value because of the open circuit?  Or, is the problem with the address decoding
cirucuitry?
Bradley Dyck Kliewer                Hacking...
bkliewer@iuvax.cs.indiana.edu       It's not just an adventure
                                    It's my job!