Now, here you might wonder how you can connect your PATA hard disk to the IDE cable?
Holding the hard disk on one of your hand and the other, holding the IDE cable, try to align the cable properly with the harddisk so you won’t end up bending the pins.
A mild strength is enough to push the IDE cable inside the pins.
And after you sure that it has been aligned properly, push the IDE cable into the pins slowly.
If you wonder you can learn on how to plug in the molex connector as well