🚀 go-pugleaf

Could you explain this further?  I'm aware of at least one macine (my
friend's IBM PS/2-70) that let's you add 1MB, 2MB, and (conceivably)
4MB SIMM modules in any combination that you want.  On what types of
machines are you restricted to upgrading in this manner?  Is it a
function of memory type (DIP, DRAM, SIMM)?  To say that ``you add
16 bits at a time on an SX and 32 bits at a time on a DX'' seems to
make sense, but I don't understand why this would be so.  I guess I'm
working on the assumpton that SX and DX are the same, except that the
SX has to use 2 clock cycles to fetch a word, while the DX needs only
one.  This wouldn't affect the amount of memory supported, would it?
(Somebody correct me before I make an ass out of myself again....)

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