Motherboard with edge connector

摘要

A motherboard includes a board, and a hard disk drive (HDD) controller. The board includes an edge connector formed on a bottom side of the board. The edge connector includes a group of signal pins and a group of ground pins. Two cutouts are defined in the board and are located at two opposite sides of the edge connector. The HDD controller drives a storage device when the storage device is connected to the edge connector. The group of signal pins of the edge connector is connected to the HDD controller. The group of ground pins is connected to a ground layer of the motherboard.