Your Fujitsu MHX2250BT edge connectors look like this - right? And the Toshiba has the matching gold colored edge connectors?
It's a standard SATA power and data connector and it's the only connector used. Uploaded with ImageShack.us][/urlExt]
Your HDD doesn't use the 4 spots/4 tabs in your laptop.
They're only used at the factory.