there are 2 IDE controllers
Traditionally motherboards were built with 2 on board IDE ports. However more and more mother board's are coming with 1 due to the use of SATA ports. The one IDE port i usually used for the CD-ROM.
it has 2 IDE controller
Many different mother boards have been made to accomidate the latest microprocessors. I would say there have been 32 different mother board designs for handling the slot numbers of the processors.
About 8 controllers
Full AT, Baby AT, and ATX
24-pin
2 controllers
Well there are many styles of controllers ranging from guitars to regular controllers. But without one of these types of controllers no you can not play.
There are many types of controllers used in computers.
That would be the mother board.
You can use up to four controllers with a standard GameCube.
2 controllers can fit in the playstation2