My outmoded complicated drive doesn't own a slave/master switch on it.I want to install it on untried computer.What give?

My outmoded complicated drive doesn't own a slave/master switch on it.I want to install it on untried computer.What give?

It have to have one. It's not a switch its a set of jersey pins. Tell me the type and model and I'll try to get the info for you.

Some elder drives had the pins on the circuit board. Really firm to see..look close.