Floppy is slightly smaller.
Give it a rub, should grow a bit then...![]()
But seriously... A floppy connector has a different size plug, and there should be a seperate socket for it on your motherboard too. If you need a cable they can be bought fairly cheaply or just ask in the members market, I'm guessing lots of people have spares (myself included!).
PK!
If it's really not going to fit there's always the USB-IDE or ide-sata converter