44 pin ide as used in laptops. You'll need a converter to hook it up to a desktop pc. You've not opened many laptops then? This was common up to 2005-2006 easily.

Its just IDE (you know, the interface that dominated for years and years before SATA?), nothing special. Check google or Ebay for a 44 pin laptop ide to desktop ide convertor. I've even got a few Core 2 laptops using IDE only, so its not exactly ancient![]()
No its Parallel ATA sometimes called PATA which was the interface replaced by SATA, IDE stands for Integrated Drive Electronics and is a type of drive design to which PATA and SATA both belong but SCSI does not