Abstract: A mounting device for mounting a fan includes a base board and two blocks to be mounted on opposite sides of a bottom of the fan. The base board forms two rods. Each block defines a fixing hole in which a corresponding rod engages. A resilient member is mounted to a bottom of each block for absorbing vibrations of the fan. The resilient member includes an arc-shaped main piece, and two fixing pieces respectively extending from opposite ends of the main piece to be mounted to opposite ends of the corresponding block, respectively.

Abstract: An electronic device includes a base, two parallel mounting plates extending from the base, and a dummy hard disk drive. Each of the mounting plates defines two mounting holes. The dummy hard disk drive includes a bottom plate, two side plates pivotably mounted to two opposite sides of the bottom plate, and two end plates pivotably mounted to two opposite ends of the bottom plate. Two mounting rods extend from an outer surface of each of the side plates. The side plates and the end plates can hinge so as to be substantially perpendicular to the bottom plate, to form a hollow rectangular frame. The mounting rods are inserted in the corresponding mounting holes, to mount the dummy hard disk drive between the mounting plates.

Abstract: A server cabinet includes a rack and a server unit installed in the rack. The server unit includes a receiving portion extending rearward from a rear wall of the server unit adjacent to a sidewall of the server unit, a motherboard with a first connector, and a cable with a second connector. The motherboard is received in the server unit. The first connector is received in the receiving portion. The receiving portion defines a through hole adjacent to the sidewall. The second connector of the cable extends through the through hole, to be connected to the first connector of the motherboard.

Abstract: A central processing unit socket assembly includes a socket mounted on a circuit board, a locking apparatus, and a cover. The cover includes a main plate, a resilient first locking portion formed on a first end of a first surface of the main plate, a second locking portion formed on a second end of the first surface of the main plate opposite to the first locking portion, and a number of connecting pins protruding out from a second surface of the main plate opposite to the first surface of the main plate. The first and second locking portion of the first surface of the cover can be detachably latched to the socket. The connecting pins can be connected on the locking apparatus.

Abstract: A mounting apparatus includes a fixing board defining a vent, two fixing members, and first and second plates. Two through holes are defined in an upper portion of the fixing board at opposite sides of the vent. Upper portions of the fixing members extend through the through holes and engage in upper portions of a fan. Opposite ends of a top of the first plate are pivotably connected to upper portions of the fixing members, and opposite ends of a top of the second plate are pivotably connected to lower portions of the fixing members. The first and second plates are maintained to be parallel to the fixing board by gravitational force, to cover the vent. When the fan blows air towards the first and second plates, the first and second plates are capable of rotating away from the fan to be angled from the fixing board.

Abstract: A server cabinet includes a rack, a server, a switch, and a first supporting member. The rack includes two columns located at a front end of the rack. The server is installed between the columns. The switch is installed in the rack above the server. Opposite ends of a front side of the switch are fastened to the columns of the rack. The first supporting member includes a connecting plate mounted to a rear side of the switch, and a supporting plate extending out from an end of the connecting plate and located below the switch. A raised portion protrudes down from the supporting plate. The raised portion is supported on the server.

Abstract: A fastening device for a hard disk drive (HDD) includes a bottom plate and two fastening members. Two protrusions protrude up from the bottom plate. A positioning portion is formed on the bottom plate. The positioning portion defines a hooking slot. Each fastening member includes a connection wall, and a top wall and a bottom wall perpendicularly extending from top and bottom sides of the connection wall. The top walls are fastened to a bottom of the HDD. Each bottom wall defines an engaging hole. The engaging hole includes a large first hole and two small second holes communicating with opposite sides of the first hole. A latch is formed on one of the fastening members. The HDD is operable to slide to allow the protrusions to enter the corresponding second holes from the corresponding first holes, and to allow the latch to engage in the hooking slot.

Abstract: A hot plug connector, for hot plugging of a hard disk drive in a system, includes a main body and electric cables. The main body includes a power interface. The electric cables connect the power interface of the main body with a power supply. The power interface is configured for connecting to the hard disk drive.

Abstract: A fixing device for fixing a fan includes a fixing plate and a pair of fastening members. The fan includes a sidewall defining a number of fixing holes. The fixing plate defines a vent area and a number of slots located around the vent area. Each fastening member includes a connecting plate, a number of first hooks extending out from a first side of the connecting plate, and a number of second hooks extending out from a second side of the connecting plate opposite to the first hooks. Each first hook is latched into the corresponding slot of the fixing plate, each second hook is latched into the corresponding fixing hole of the fan.

Abstract: A fastening device for a hard disk drive (HDD) includes a bottom plate and two fastening members. Two protrusions protrude from the bottom plate. A positioning portion is fastened to the bottom plate. The positioning portion includes an operation tab. A block protrudes from the operation tab. Each fastening member includes a sidewall, and a top wall and a bottom wall extending from top and bottom sides of the sidewall. The top walls are fastened to a bottom of the HDD. Each bottom wall defines an engaging hole. The engaging hole includes a first hole and two second holes communicating with the first hole. When the HDD is being fastened, the HDD is slid to allow each protrusion to enter one of the second holes, and to allow the block to block a corresponding side of the HDD.

Abstract: A fan includes a housing, a cable, a number of blades received in and mounted to the housing, a motor driving the blades to operate and receiving electric energy by the cable, and a switch mounted on a bottom of the housing and connected with the cable. When the fan presses the switch, the cable and the switch form a closed circuit. When the fan releases pressure from the switch, the closed circuit is opened.

Abstract: A fastening device for a circuit board includes a chassis, two mounting members, and two fasteners. The chassis includes a side plate. The side plate defines two through holes. The mounting members are welded to the circuit board. Each mounting member defines a locking hole. The fasteners extend through the through holes and engage in the locking holes, thereby fastening the circuit board to the side plate. The side plate is perpendicular to the circuit board.

Abstract: A circuit board mounting apparatus includes a circuit board, a first mounting member, a second mounting member, and a third mounting member. The first and second mounting members are mounted to a front side of the circuit board. The third mounting member is mounted to a rear side of the circuit board. The circuit board is capable of being mounted to a first side plate of a first chassis in a perpendicular manner by the first and second mounting members, or is capable of being mounted to a second side plate of a second chassis in a parallel manner by the first, second, and third mounting members.

Abstract: A circuit board mounting apparatus includes a side plate, a circuit board, and a mounting member. The side plate defines a slide slot and a latching hole. A latch protrudes forward from the circuit board, and includes a neck and a latching portion extending leftward from a front end of the neck. The mounting member is mounted to the circuit board, and includes a resilient arm and a hook protruding forward from the resilient arm. The latch extends through the slide slot to allow the neck to abut against a portion of the side plate bounding a left end of the slide slot, and to allow the latching portion to engage with a front side of the side plate. The resilient arm biases the hook to engage in the latching hole and abut against a portion of the side plate bounding a right end of the latching hole.

Abstract: A circuit board mounting apparatus includes a chassis and a circuit board. The chassis includes a side plate defining a slide slot and a latching hole. A latch protrudes forward from the circuit board, and includes a neck and a latching portion extending left from a front end of the neck. A cutout is defined in a front side of the circuit board. A cantilever extends into the cutout. A hook protrudes forward from the cantilever. The latch extends through the slide slot to allow the neck to abut against a portion of the side plate bounding a left end of the slide slot, and to allow the latching portion to engage with a front side of the side plate. The cantilever resists the hook to engage in the latching hole and abut against a portion of the side plate bounding a right end of the latching hole.

Abstract: A fan device includes a board defining an opening, a fan assembly, and a fastener. Two installation pieces extend from the board at opposite sides of the opening, one of which defines a first through hole. The fan assembly is pivotably mounted between the installation pieces, and includes a fan and a frame receiving the fan. The frame includes a top wall, a bottom wall, and two sidewalls. One of the sidewalls adjacent to the installation piece defining the first through hole defines a first threaded hole. When the fan assembly is pivoted to allow the first through hole to align with the first threaded hole, the fastener extends through the first through hole and then is engaged in the first threaded hole, to make the fan assembly slant relative to the board.

Abstract: A circuit board mounting apparatus includes a chassis, a circuit board defining two recesses in a front side, two fixing members engaged in the recesses, and two fasteners. The chassis includes a side plate defining two through holes. Each recess is bounded by two sidewalls. A latching slot is defined in each sidewall. A fixing hole is defined in a front side of each fixing member. Two resilient arms are formed at opposite sides of each fixing member, and slantingly extend into the corresponding fixing hole. A projection protrudes from an outer surface of each resilient arm. The fasteners extend through the through holes of the side plate and engage in the fixing holes of the fixing members. The resilient arms are deformed outward by the fasteners, to allow the projections to engage in the corresponding latching slots. Therefore, the circuit board is perpendicularly fixed to the side plate.

Abstract: A heat dissipation device includes a number of fans and a fixing member. Each fan includes two spaced boards respectively defining a number of through holes. The fixing member is sandwiched between the boards of each fan, at a corner of the fan. The fixing member includes two engaging portions movably relative to each other. A number of pins are formed on each engaging portion for respectively engaging in the through holes of the fans.

Abstract: A backplane includes a main body with a top side, a bottom side, and two ends connected between the top and bottom sides. A first connector is arranged on a first surface of the main body, and a number of second connectors are arranged on a second surface of the main body opposite to the first surface. A first edge connector is attached on one of the ends the main body, and a first socket is attached on the other end of the main body. The second connectors are coupled to a number of hard disk drives. The first socket is electrically coupled to the first edge connector and the second connectors.

Abstract: A circuit board mounting apparatus includes a circuit board, a chassis, a first mounting member, a second mounting member, and a fastener. The chassis includes a side plate defining a through hole, a first hole, and a second hole communicating with the first hole. Each of the first and second mounting members includes two latching legs detachably mounted to a front end of the circuit board. A neck protrudes from a front end of the first mounting member, and a head is formed on a front end of the neck. The neck extends through the first hole and engages in the second hole. The head abuts a front side of the side plate. A fixing hole is defined in a front end of the second mounting member. The fastener extends through the through hole and engages in the fixing hole, to mount the circuit board to the side plate.