Abstract: A light guide bar adapted to be interleaved between two connectors which are disposed on a main board. Each of the connectors has a connector lateral wall. At least one connector includes a positioning protrusion. The light guide bar includes a body. The body includes two opposite light guide bar lateral walls and at least one positioning recess. Each positioning recess is formed on one of the light guide bar lateral walls. The at least one positioning recess is adapted to be positioned on the positioning protrusion of the at least one connector. A connector assembly having the light guide bar and the two connectors is further provided.

Abstract: A light guide heat dissipation module includes a first heat dissipation member, a second heat dissipation member, a light guide member, and a light source assembly. The first heat dissipation member includes an opening. The second heat dissipation member is thermally coupled to the first heat dissipation member. The light guide member is disposed between the first heat dissipation member and the second heat dissipation member. The opening of the first heat dissipation member exposes a portion of the light guide member. The light guide member includes a light incident surface. The light source assembly includes a light source and a pad electrically connected to the light source. The light source is disposed beside the light incident surface of the light guide member. The pad is disposed on a bottom surface of the second heat dissipation member away from the first heat dissipation member. An electronic device including the light guide heat dissipation module is further provided.

Abstract: A connector cover module adapted to be disposed on a connector on a mother board is provided. The connector cover module includes a cover body and at least one light guide bar. The cover body includes a top surface, a plurality of lateral surfaces, and at least one arm extending from one of the lateral surfaces and bending outward to form an accommodating groove. The light guide bar is disposed beside one of the lateral surfaces, held by the arms, and located in the accommodating groove bent and formed by the arms. A cover body is further provided.

Abstract: A heat dissipater resilient structure is adapted to be fixed to a connector of a motherboard and for an expansion card heat dissipater to be disposed on. The heat dissipater resilient structure includes a body, an arm and a fixing member. The body is adapted to be fixed to the connector. The arm extends from the body and is bendable between a first position and a second position. The fixing member is located at the body or the arm. The expansion card heat dissipater is adapted to be fixed to the fixing member and lean against the arm to move with the arm. When pressed, the expansion card heat dissipater is adapted to move with the arm from the first position to the second position. When not pressed, the arm moves with the expansion card heat dissipater to return to the first position. A connector module is further provided.

Abstract: A connector module including a connector and a heatsink is provided. The connector includes a shaft. The heatsink includes a groove recessed in a single direction. The heatsink is adapted to move along a direction opposite to the recessed direction of the groove to insert the shaft into the groove. The shaft is pivoted in the groove so that the heatsink is adapted to pivotally rotate relative to the connector.

Abstract: An interface card fixing device adapted to fix an interface card to a main board is provided. The interface card fixing device includes a base, a fixing portion, an engaging portion and a connecting portion. The base includes a first surface and a second surface opposite to each other and a protrusion protruding from the first surface. The base has a through hole passing through the first surface, the second surface and the protrusion so that the protrusion forms a hollow cylinder. The fixing portion extends from the second surface of the base and includes a breach communicating with the through hole. The engaging portion is adapted to pass through the through hole and the breach, and fix to the base. The connecting portion is connected to the base and the engaging portion. A main board module having the interface card fixing device is further provided.

Abstract: An apparatus for covering a connection port assembly is disposed on a motherboard, and includes a door frame and a shielding plate. The door frame includes two support members, a connecting member, and a latch on the connecting member. A fixed end of each support members is fixed on the motherboard. Connecting ends of the two support members are connected to the connecting member to define an accommodating area for disposing the connection port assembly. The shielding plate includes an upper flange and a plate body. The plate body has one or more opening, an upper edge, and a lower edge. A signal connection surface of the connection port assembly is exposed via the opening. The upper flange is extending from the upper edge and has a latch hole. The latch is engaged into the latch hole to fix the shielding plate to the door frame.

Abstract: A connector cover is adapted to cover a connector and be fixed to a main board. The connector includes a connector top surface having a connector slot, a connector bottom surface and four connector laterals. The connector cover includes a cover top surface, four cover laterals, at least one bending pin and at least one connecting pin. The four cover laterals are adapted to cover the four connector laterals, and two of the cover laterals are connected to the cover top surface. The bending pin extends from the cover lateral and is adapted to be bent to lean against the connector bottom surface. The connecting pin extends from the cover lateral. The connector cover is connected to the main board through the connecting pin. A connector assembly is further provided.

Abstract: A light guide bar adapted to be interleaved between two connectors which are disposed on a main board. Each of the connectors has a connector lateral wall. At least one connector includes a positioning protrusion. The light guide bar includes a body. The body includes two opposite light guide bar lateral walls and at least one positioning recess. Each positioning recess is formed on one of the light guide bar lateral walls. The at least one positioning recess is adapted to be positioned on the positioning protrusion of the at least one connector. A connector assembly having the light guide bar and the two connectors is further provided.

Abstract: A connector cover is adapted to cover a connector. A fixing member of the connector protrudes from a connector lateral and includes a base portion and a top board located on the base portion. The top board and the base portion form a T shape pillar. The connector cover includes four cover laterals, and one of the cover laterals includes a concave. A position of the concave located on the cover lateral corresponds to a position of the fixing member located on the connector lateral, and a width of the concave is close to a width of base portion. When the connector cover is assembled to the connector, the cover laterals lean against the connector laterals. The base portion is located in the concave and walls of the cover lateral besides the concave is near or lean against the base portion. A connector and a connector module are further provided.

Abstract: A connector cover is adapted to cover a connector. A fixing member of the connector protrudes from a connector lateral and includes a base portion and a top board located on the base portion. The top board and the base portion form a T shape pillar. The connector cover includes four cover laterals, and one of the cover laterals includes a concave. A position of the concave located on the cover lateral corresponds to a position of the fixing member located on the connector lateral, and a width of the concave is close to a width of base portion. When the connector cover is assembled to the connector, the cover laterals lean against the connector laterals. The base portion is located in the concave and walls of the cover lateral besides the concave is near or lean against the base portion. A connector and a connector module are further provided.

Abstract: A connector cover adapted to cover a connector is provided. Two protrusions protruding from two ends of a connector body of the connector have two protrusion inner walls facing to each other and two grooves caved in the protrusion inner walls. The connector cover includes a cover body, having a cover top surface, and at least one cover protrusion disposed at a side of the cover body and protruding from the cover top surface. Each cover protrusion includes two cover protrusion side surfaces and at least one covering portion. Each covering portion, extending from one of the cover protrusion side surfaces and bending along outline of the protrusion protrusion inner wall to cover at least a portion of the protrusion protrusion inner wall, includes a protruding arm adapted to be located in the groove A cover module is further provided.

Abstract: A connector cover adapted to cover a connector is provided. Two protrusions protruding from two ends of a connector body of the connector have two protrusion inner walls facing to each other and two grooves caved in the protrusion inner walls. The connector cover includes a cover body, having a cover top surface, and at least one cover protrusion disposed at a side of the cover body and protruding from the cover top surface. Each cover protrusion includes two cover protrusion side surfaces and at least one covering portion. Each covering portion, extending from one of the cover protrusion side surfaces and bending along outline of the protrusion protrusion inner wall to cover at least a portion of the protrusion protrusion inner wall, includes a protruding arm adapted to be located in the groove A cover module is further provided.

Abstract: A connector cover is adapted to cover a connector and be fixed to a main board. The connector includes a connector top surface having a connector slot, a connector bottom surface and four connector laterals. The connector cover includes a cover top surface, four cover laterals, at least one bending pin and at least one connecting pin. The four cover laterals are adapted to cover the four connector laterals, and two of the cover laterals are connected to the cover top surface. The bending pin extends from the cover lateral and is adapted to be bent to lean against the connector bottom surface. The connecting pin extends from the cover lateral. The connector cover is connected to the main board through the connecting pin. A connector assembly is further provided.

Abstract: A PCI-E connector cover includes a first, a second cover lateral sides, a plurality of bending arms, a cover top surface and a plurality of connecting posts. The first, the second cover lateral sides and the cover top surface are adapted to cover a first, a second connector lateral sides and a connector top surface of a PCI-E connector. The bending arms are connected to the first cover lateral side and lean against a first connector concave of the PCI-E connector so as to keep an interval between the first cover lateral side and the first connector concave. The cover top surface is connected to the first, the second cover lateral sides. The connecting posts are extended from the first and the second cover lateral sides to fix to a main board. A PCI-E connector module is further provided.

Abstract: A PCI-E connector cover includes a first, a second cover laterals, a plurality of bending arms, a cover top surface and a plurality of connecting posts. The first, the second cover laterals and the cover top surface are adapted to cover a first, a second connector laterals and a connector top surface of a PCI-E connector. The bending anus are connected to the first cover lateral and lean against a first connector concave of the PCI-E connector so as to keep an interval between the first cover lateral and the first connector concave. The cover top surface is connected to the first, the second cover laterals. The connecting posts are extended from the first and the second cover laterals to fix to a main board. A PCI-E connector module is further provided.

Abstract: A line concentrator and a connector assembly with the line concentrator are provided. The connector assembly includes a plurality of signal cables and a line concentrator, the line concentrator includes a body and an arm. The body includes a plurality of sidewalls connected to each other and a bottom plate connected to the sidewalls. An accommodating cavity is surrounded by the sidewalls. The bottom plate includes a plurality of holes connected through the accommodating cavity. The arm protrudes from a top of one of the sidewalls of the body and extends along a direction away from the bottom plate. The arm includes a position limiting protrusion.

Abstract: A supporting frame includes a first engagement section, a supporting section and a second engagement section. The first engagement section is fixed on one side of the motherboard. The supporting section is connected between the first engagement section and the second engagement section and is adjacent to another side of the motherboard. The second engagement section is spaced apart from the first engagement section for fixing a fastening plate of the expansion card. In this way, the motherboard could be placed on a working surface horizontally or stands upright on the working surface with the support of the supporting frame.

Abstract: A slat fastening assembly, applicable to a circuit board, includes a slat, at least one first fastening member, a base, and at least one second fastening member. The first fastening member is disposed on the slat. The base is fixed on the circuit board. The second fastening member is disposed on the base. The first fastening member is detachably combined with the second fastening member, so that the slat is detachably combined with the base.

Abstract: A stacked expansion card assembly is positioned on a mainboard. The mainboard includes a mainboard connector. The stacked expansion card assembly includes a first expansion card, at least one first supporting member, and a first connector. The first card includes a contact card end and electrically connected with the mainboard connector by inserting the contact end of the first expansion card to the mainboard connector. The first supporting member is positioned on the mainboard and supports the first expansion card. The first connector is positioned on the first expansion card and electrically connected or disconnected with a second expansion card by removable insertion of the second expansion card to the first connector. Thereby, the expansion cards can be installed onto the mainboard without increasing the surface area of the mainboard and limited by the layout of the electronic components on the mainboard.