Greetings Paul and List--
----- Original Message -----
From: "Paul Ecclestone" <[log in to unmask]>
> What is the difference between a microATX and a baby AT?
>
I believe that the primary differences are the power supply connectors
and the peripheral connectors. On AT boards, the power supply connects
with a pair of connectors containing wires in a row plugged into/onto a
row of contacts on the motherboard. The parallel and serial ports on
such boards are typically pins over which connectors leading to ribbon
cables which terminate at a slot cover with 25 (parallel port) or 9 (serial)
pin plugs (or just the plugs themselves, which can then be mounted to
the case). ATX power supply connectors are arranged as 2 parallel rows
in a block which plugs into a similar receptacle on the motherboard.
Parallel and serial (as well as USB) ports are typically hardwired to the
motherboard and are grouped in one area.
HTH,
Paul Shippert
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