Abstract: A light emitting module adapted to a mainboard is provided. The mainboard includes a side edge. The light emitting module comprises a circuit board and a light guide bar. The circuit board is detachably attached to the mainboard and adjacent to the side edge of the mainboard. A plurality of light emitting elements are disposed at the circuit board. The light guide bar is disposed at the circuit board, when the light emitting module is assembled to the mainboard, the light guide bar uniformly guides light from the light emitting elements. An electronic device including the light emitting device is also provided.

Abstract: A light emitting module adapted to a mainboard is provided. The mainboard includes a side edge. The light emitting module comprises a circuit board and a light guide bar. The circuit board is detachably attached to the mainboard and adjacent to the side edge of the mainboard. A plurality of light emitting elements are disposed at the circuit board. The light guide bar is disposed at the circuit board, when the light emitting module is assembled to the mainboard, the light guide bar uniformly guides light from the light emitting elements. An electronic device including the light emitting device is also provided.

Abstract: A motherboard including a socket and a memory slot is provided. The socket is adapted for disposing a processor with at least one memory channel, and each of the memory channels supports at least two memory cards. The memory slot is coupled to the socket and transmits signals from the memory channel. The memory slot includes a plurality of pins. A first part of the pins of the memory slot is assigned to transmit a signal from one of the memory cards supported by the memory channel, and a second part of the pins of the memory slot is assigned to transmit a signal from another one of the memory cards supported by the memory channel.