Originally Posted By: peter
I think there's only two ways in which they vary: PATA vs SATA at the back (yours is PATA), and slot vs tray at the front.

There is another difference and that is whether it is a master or slave device if its a PATA drive. The actual drives don't normally have a jumper to select and it is hardcoded into the firmware. You need to find the appropriate firmware for that drive if it isn't the correct type already.