This is a genuine Dell replacement IO circuit board (daughter board) with 2 USB jacks, and 1 FireWire jack for the Dell Vostro 2510, 1510, and Vostro 1520 motherboards.
Dell Part Number: F234D
Guaranteed Compatible Dell laptops /notebooks:
Vostro 1500
Vostro 1510
Vostro 2510
Screws NOT included.
see picture..