Abstract: A motherboard assembly able to use a PCI slot either to expand system function or for the installation of additional memory includes a motherboard and a storage device. The motherboard includes a PCI expansion slot, a platform controller hub (PCH), and a power circuit. The PCI expansion slot includes a protrusion, four idle pins and first signal pins connected to the PCH, and first power pins connected to the power circuit. A control chip, a number of storage chips connected to the control chip, and a power unit are arranged on the storage device. A non-central notch is included in an edge connector arranged on a bottom edge of the storage device and the edge connector allows for power pins connected to the power unit and signal pins connected to the control chip.

Abstract: An exemplary electronic device includes a mother board, a power source, and a power extending board detachably connected between the power source and the motherboard. The power source includes a golden finger interface. The power extending board includes a receiving socket, a first conversion circuit, and a first connector. The golden finger interface is plugged into the receiving socket. The first conversion circuit is connected to the receiving socket, converts first and second voltages from the power source into third and fourth voltages, and outputs the first, third, and fourth voltages to the motherboard.

Abstract: A storage expansion system includes an expansion apparatus and a serial advanced technology attachment dual in-line memory module (SATA DIMM) device. A memory slot, a SATA port, a SATA signal expansion member, and a voltage converter are arranged on the expansion apparatus. The memory slot includes first power pins, first ground pins, and first signal pins connected to the SATA signal expansion member. A first edge connector is arranged on a side of the expansion apparatus. The first edge connector includes second power pins and second ground pins. The first and second power pins are connected to the voltage converter. A second edge connector is arranged on a bottom side of the SATA DIMM device. The second edge connector includes third power pins connected to a control chip and storage chips, third ground pins, and second signal pins connected to the control chip.

Abstract: A positioning apparatus for installing a server unit on a rack includes a frame fixed to the server unit, an operation member slidably installed to the frame, a pivot member sandwiched between the frame and the operation member, and a resilient member connected between the frame and the operation member. A rear end of the pivot member is rotatably connected to the frame, and a latching piece protrudes out from a front end of the pivot member. The pivot member defines a guiding slot. The frame defines a through slot aligning with the latching piece. The operation member includes a sliding pole protruding from the operation member and extending through the guiding slot. The resilient member biases the operation member to move, the sliding pole slides in the guiding slot to rotate the pivot member, and the latching piece extends through the through slot to latch onto the rack.

Abstract: A mounting apparatus for an expansion card includes a bracket, a circuit board mounted in the bracket, and a latching member. The bracket includes a bottom wall, a supporting wall perpendicularly mounted on the bottom wall, and a first end wall and a second end wall extending from two opposite ends of the supporting wall along the same direction. The circuit board includes a connector. The latching member includes a first hook and a mounting piece. The latching member is slidably installed to the first end wall. The mounting piece is exposed out of the bottom wall of the bracket. The expansion card is inserted into the connector of the circuit board, a front end of the expansion card is mounted to the second end wall, and a rear end of the expansion card is latched to the first hook of the latching member.

Abstract: An electronic device enclosure includes a casing, an air duct mounted in the casing, and a latching member. The air duct includes a receiving bracket formed on the air duct for receiving an uninterruptible power supply module. The latching member is covered on the receiving bracket to position the uninterruptible power supply module. A first side of the latching member is rotatably connected to the receiving bracket, and a second side of the latching member is detachably latched to the receiving bracket.

Abstract: A storage expansion system includes an expansion apparatus and a serial advanced technology attachment dual in-line memory module (SATA DIMM) device. A memory slot, a SATA port, a SATA signal expansion member, and a voltage converter are arranged on the expansion apparatus. The memory slot includes first power pins, first ground pins, and first signal pins connected to the SATA signal expansion member. A first edge connector is arranged on a side of the expansion apparatus. The first edge connector includes second power pins and second ground pins. The first and second power pins are connected to the voltage converter. A second edge connector is arranged on a bottom side of the SATA DIMM device. The second edge connector includes third power pins connected to a control chip and storage chips, third ground pins, and second signal pins connected to the control chip.

Abstract: A rail device includes an inner rail, a middle rail slidably mounted to the inner rail, and an outer rail slidably mounted to the middle rail. The inner rail forms a first protrusion. The middle rail forms a first locking member and a driving member at a first end. The outer rail forms a second locking member and a pushing member. When the first locking member latches with the first protrusion, and the second locking member latches with the second protrusion, the rail device has a first length. When the first locking member latches with the first protrusion, and the pushing member latches with the driving member, the rail device has a second length.

Abstract: A computer case includes a backplane, a trigger switch, a first connector, a motherboard, a second connector on the motherboard, and a first cable. The trigger switch is used to detect whether a cover of the computer case is open or closed and outputs different signals accordingly. The first cable transmits the different signals from the trigger switch to the motherboard.

Abstract: A motherboard assembly able to use a PCI slot either to expand system function or for the installation of additional memory includes a motherboard and a storage device. The motherboard includes a PCI expansion slot, a platform controller hub (PCH), and a power circuit. The PCI expansion slot includes a protrusion, four idle pins and first signal pins connected to the PCH, and first power pins connected to the power circuit. A control chip, a number of storage chips connected to the control chip, and a power unit are arranged on the storage device. A non-central notch is included in an edge connector arranged on a bottom edge of the storage device and the edge connector allows for power pins connected to the power unit and signal pins connected to the control chip.

Abstract: A fastening device for fastening a backplane includes an enclosure, a fastening member, and two slide members. The enclosure includes a bottom plate and a top plate. A stop element is formed on the bottom plate and abuts against a front surface of the backplane. Two engaging poles extend down from the top plate. The fastening member is fastened to a top of the backplane. The slide members are slidably connected to the fastening member. Two hooks are formed on rear sides of the slide members and extend toward opposite directions. The hooks engage with the engaging poles.

Abstract: A computer includes a number of hard disk drives (HDDs), a number of Serial Advanced Technology Attachment (SATA) connectors correspondingly connected to the HDDs, and a number of jumpers. Each SATA connector includes a power supply pin, a spin-up pin, a ground pin, and a pin base with first to third pins. The first to the third pins are respectively connected to the power supply pin, the spin-up pin, and the ground pin. The second pin of each SATA connector is connected to either the first pin or the third pin by a corresponding jumper, thereby the corresponding HDD starts up with the computer or starts up at a preset time after the computer has started up.

Abstract: An electronic device includes an enclosure, a motherboard received in the enclosure, and an expansion card module received in the enclosure. The expansion card module includes a bracket, a conversion card with a connector, and an expansion card. The bracket includes a main plate and a seat. The conversion card is fixed on the main plate. The expansion card includes a circuit board plugged in the connector and a blocking piece fixed to the seat.

Abstract: A screwless fastening device for a data storage device includes an enclosure, a first rail, a second rail, and a fastening member. The enclosure includes a first side plate, a second side plate, and a connector. The first and second rails are fastened to the two side plates. The fastening member includes a fastening pole received in the first rail, a pivot pole pivotably connected to the fastening pole, a slide element slidably connected to the pivot pole, and a resilient element mounted between the pivot pole and the slide element. The data storage device is slid into place along the first and second rails to allow the data storage device to be connected to the connector, and the pivot pole is rotated to abut and hold in place the data storage device.

Abstract: A mounting apparatus for an expansion card includes a bracket, a circuit board mounted in the bracket, and a latching member. The bracket includes a bottom wall, a supporting wall perpendicularly mounted on the bottom wall, and a first end wall and a second end wall extending from two opposite ends of the supporting wall along the same direction. The circuit board includes a connector. The latching member includes a first hook and a mounting piece. The latching member is slidably installed to the first end wall. The mounting piece is exposed out of the bottom wall of the bracket. The expansion card is inserted into the connector of the circuit board, a front end of the expansion card is mounted to the second end wall, and a rear end of the expansion card is latched to the first hook of the latching member.

Abstract: A server cabinet with a safety catch preventing free disengagement of a pulled-out server includes a rack, a server, and a latching member. The rack includes a pole. The server includes a side plate. The side plate defines a through hole and an opening. The latching member includes a mounting plate, a latch extending from the mounting plate, and a button extending from the mounting plate. A first end of the mounting plate is fastened to an inner surface of the side plate. The latch extends through the through hole for exposing out of the server. The button is received in the opening. When the server is pulled out of the rack, the latch is blocked by the pole, the button must be pressed to deform the mounting plate to allow the latch to disengage from the pole.

Abstract: A fastening device for fastening a backplane includes an enclosure, a fastening member, and a pivoting member. The enclosure includes a bottom plate, a top plate opposite to the bottom plate, and a number of partition plates connected to the bottom plate and the top plate. The bottom plate forms a stop element. The stop element and the partition plates sandwiches the backplane. The fastening member is fastened to a top side of the backplane, and is supported on the top plate. The pivoting member is pivotably connected to the top plate. The pivoting member is operable to rotate to sandwich the fastening member with the top plate.

Abstract: A positioning apparatus for installing a server unit on a rack includes a frame fixed to the server unit, an operation member slidably installed to the frame, a pivot member sandwiched between the frame and the operation member, and a resilient member connected between the frame and the operation member. A rear end of the pivot member is rotatably connected to the frame, and a latching piece protrudes out from a front end of the pivot member. The pivot member defines a guiding slot. The frame defines a through slot aligning with the latching piece. The operation member includes a sliding pole protruding from the operation member and extending through the guiding slot. The resilient member biases the operation member to move, the sliding pole slides in the guiding slot to rotate the pivot member, and the latching piece extends through the through slot to latch onto the rack.

Abstract: A smartphone includes a base, a cover, and a joystick assembly. The base includes a bottom wall. The cover defines a through hole. The joystick assembly includes a fastening member, a receiving member mounted to the bottom wall, and a stick. The fastening member is slidably mounted to the cover. A bottom end of the stick is rotatably received in the receiving member. A top end of the stick extends out of the cover through the through hole and is capable of being moved. The fastening slides to latch with the stick, thereby fastening the stick.

Abstract: An assisting apparatus is provided to unplug a Registered Jack-45 (RJ-45) connector from a connector of an electronic device. The assisting apparatus includes an operation member. The operation member includes a pivot portion pivotably connected to a sidewall of the electronic device, a handle extending from the pivot portion, and an urging plate extending from the pivot portion and located above a latch of the RJ-45 connector engaging with the connector of the electronic device. The handle is operable to rotate the operation member to allow the urging plate to push the latch down, to make the latch disengage from the connector of the electronic device.