44 pin Parallel ATA (IDE) pinout
44-pin connectors are mainly used in 2.5-inch PATA (IDE) hard drives for notebooks. They have the same pin assignment as the standard 40-pin PATA (IDE) connectors but there are 4 additional four pins (41 to 44) used for power supply. Another difference is that the spacing between pins is smaller due to the smaller drive [...]
