Some soldering gear and a lot of time could do the trick i guess http://www.siber-sonic.com/mac/Vintage/MS1705.html
connector (a some timber and stair part)
Speaker cable can be used bare or with pin, banana, spade or ring terminals.
There are no differences between the power connector of an AT motherboard versus that of a BabyAT motherboard.
ATX is the form factor which Motherboards, Computer Cases and Graphics Cards use to standardise sizing. An ATX form-factor Motherboard will fit an ATX Case, and an ATX Graphics Card will fit in the...