Abstract: Cable assembly including a mating connector having a plurality of communication terminals. The mating connector is configured to mate with a system connector of a communication system during a loading operation. The cable assembly includes a trailing sub-assembly having an intermediate connector and an external cable that is terminated to the intermediate connector. The cable assembly also includes a flexible cable extension having signal pathways that are terminated to and extend from the intermediate connector to the mating connector. The intermediate connector communicatively interconnects the signal pathways and the external cable. The mating connector is configured to engage a guide track when inserted into the communication system and slide along the guide track toward the system connector along a non-linear path. The flexible cable extension permits the signal pathways to bend while transferring an operative force for mating the system connector and the mating connector.

Abstract: There is provided an information processing device including a casing in which a top surface, a bottom surface, and side surfaces are integrally formed, and an opening portion which is formed in one of the top surface, the bottom surface, and the side surfaces and through which each component to be mounted inside the casing is inserted.

Abstract: A solid-state drive is provided, including: a substrate, a flash memory module, at least one light-emitting portion and at least one light-guiding portion. The substrate has a transmit port. The flash memory module is disposed on the substrate, and the flash memory module is electrically connected with the transmit port. The at least one light-emitting portion is disposed on the substrate, and the at least one light-emitting portion is electrically connected with the transmit port. The at least one light-guiding portion at least partially covers the at least one light-emitting portion.

Abstract: A server includes a chassis, a main tray and a hard disk drive (HDD). The main tray is slidably connected to the chassis and is capable of pulling out of the chassis or pushing into the chassis along a first direction. The main tray includes an accommodating slot and a sub-tray. The sub-tray is slidably disposed inside the accommodating groove and when the main tray is pulled out of the chassis, the sub-tray can be slid along a second direction perpendicular to the first direction between an expanded position and a retracted position relative to the chassis. When the sub-tray at the expanded position, the hardware can be taken from the sub-tray or put on the sub-tray.

Abstract: A rack mountable network switch, the rack mountable network switch comprising: a faceplate; a switch chassis coupled to the faceplate, the switch chassis including a plurality of connector openings on a surface of the switch chassis that is perpendicular to the faceplate; a plurality of moveable plug receptacles coupled to a printed circuit board (‘PCB’) mounted inside the switch chassis; and a mechanical positioning component coupled to the moveable plug receptacles, the mechanical positioning component configured to position the moveable plug receptacles to extrude from the switch chassis via the connector openings when the mechanical positioning component is in a first position, the mechanical positioning component further configured to position the moveable plug receptacles inside the switch chassis when the mechanical positioning component is in a second position.

Abstract: Assembly for the electronic processing of data, comprising a central module and peripheral modules linked to the central module by electrical power supply and data links, the modules comprising: a processing unit, a memory, an input/output unit and an isolation of the power and data links; the central module furthermore comprising an electrical power supply unit for the peripheral modules, a common startup unit shared by the modules, and a star communication interface with the peripheral modules; each peripheral module furthermore comprising a serial link interface to the communication interface of the central module.

Abstract: A plug-in unit that is configured to stacking in an electronic equipment unit is protected during replacement of an adjacent plug-in unit in the electronic equipment unit by providing at least one fender on at least one side of the plug-in unit.

Abstract: Adjustable device carriers for modular chassis. In some embodiments, a carrier configured to receive an electronic device may include a front panel and lateral rails coupled to the front panel, where the lateral rails are configured to be inserted into a slot of a modular chassis, where the modular chassis is configured to receive an Information Handling System (IHS), where the IHS is configured to communicate with the electronic device via a backplane, and where the lateral rails have an adjustable length configured to accommodate electronic devices of different sizes.

Abstract: A liquid cooling apparatus includes a plurality of system boards each having a first surface and a second surface opposite the first surface, each of the system boards having at least one electronic component mounted on the first surface, a cooling plate attached to the electronic component and having a pathway formed therein through which coolant flows, one or more heat conductive members penetrating through any given one of the system boards, and a heat dissipating member disposed on the second surface of any given one of the system boards and connected to the one or more heat conductive members, wherein an emissivity of the heat dissipating member is higher than an emissivity of the one or more heat conductive members.

Abstract: An electronic device may have a hard disk drive mounted diagonally within a housing. Electromagnetic interference shielding structures may enclose the hard disk drive. The shielding structures may include conductive elastomeric structures. A printed circuit board may be mounted diagonally in parallel with the hard disk drive. Connectors on the printed circuit board may be angled away from the printed circuit board at a non-zero angle and may be retained against the housing with a slide and lock connector retention member. An accelerometer may detect when the device is tipped over so that control circuitry may protect the hard disk drive. A fan may cause air to flow upwards on one side of the device and downwards on the other side of the device. The housing may rest on housing support structures with angled air vents and integral elastomeric feet.

Abstract: A side loading enclosure for a rack mount type storage unit is provided. The enclosure provides for easier access to hard disk drives (HDDs) for maintenance and repair as well as the ability to increase the number of HDDs that can be mounted in a single enclosure. The enclosure may include a bottom plate, a pair of side plates, and a pair of end plates. Located within the enclosure are a first row, extending perpendicularly between the pair of end plates, having one or more stacks of HDDs mounted to a first printed circuit board and a second row, extending perpendicularly between the pair of end plates, having one or more stacks of HDDs mounted to a second printed circuit board. The one or more stacks of HDDS in the first row is separate from and located parallel to the one or more stacks of HDDs in the second row.

Abstract: According to an embodiment, a semiconductor package includes a semiconductor chip mounted on an interposer board, a encapsulant sealing the semiconductor chip, and a conductive shielding layer covering the encapsulant and at least part of a side surface of the interposer board. The interposer board has plural vias through an insulating substrate. A part of the plural vias has a cutting plane exposing to the side surface of the interposer board and cut in a thickness direction of the interposer board. The cutting plane of the via is electrically connected to the conductive shielding layer.

Abstract: A tool-less mounting device for hard disk drive (HDD) is provided. The mounting device has a tray, at least one flexible member, a backplane, and at least one HDD. The tray has a base and two sidewalls. The flexible member has a fixed portion and an arm. The backplane is disposed on the base between the sidewalls, and has a first connector and a second connector. The HDD is coupled to the first connector of the backplane.

Abstract: An electronic device includes a main body, a slot formed on a side of the main body, and a tray unit received in the slot. The tray unit includes a cover, a supporting base, a shaft, and a waterproof member. The supporting base is configured to receive an external card. The shaft pivotally connects the cover with the supporting base, and the supporting base is rotatable with respect to the cover along the shaft. The waterproof member is disposed on the cover. When the tray unit is received in the slot, the waterproof member abuts the main body of the electronic device.

Abstract: A server housing for accommodating plurality of hard drives includes a shell body and a plurality of cases. The shell body has a bottom wall, a circuit region and a plurality of partition walls parallel to each other. The circuit region and the partition walls are disposed on the bottom wall. The cases are respectively drawably disposed between the partition walls. A plurality of separation boards and a plurality of electrical contacts are disposed in the cases for accommodating the hard drives between the separation boards. Each of the separation boards has a planar face and a pair of abutting walls. A plurality of abutting protrusions is formed on each of the abutting walls and protrudes inward. The abutting protrusions of the abutting walls abut the hard drives between the separation boards. The electrical contacts provide electrical connection between the hard drives and the circuit region.

Abstract: A printer includes a body case and an interface connector unit that is movable between a hidden position where the interface connector unit is hidden by the body case and an exposed position where the interface connector unit is exposed from the body case.

Abstract: A storage server is provided herein, which comprises a chassis and at least one slide tray having at least one storage module. The advantage of the present invention is on expanding an accommodating space of the slide tray whereby various components can be disposed within the slide tray.

Abstract: An electronic device includes a chassis and a plurality of electronic modules. The chassis includes a front plate, a rear plate, a top plate, two side plates, a bottom plate and a plurality of dividing plates. The electronic modules are set between two adjacent dividing plates. The front plate includes an air inlet defined in a bottom. A first space is defined between a bottom of each dividing plate and the bottom plate. A second space is defined between a top of each dividing plate and the top plate. At least one of the top of the dividing plate and the bottom of the dividing plate is arranged stepped down from the front plate to the rear plate. The airflow flows through the air inlet, the first space, then flows up through the electronic modules, and then flows to the rear plate.

Abstract: A server includes a motherboard module, a storage device and a carrying structure. The motherboard module includes a motherboard and a CPU disposed on the motherboard. The storage device has two fastening portions opposite to each other. The carrying structure includes a carrier, two fastening members and a handle. The storage device is disposed on the carrier in a detachable manner. The two fastening members each include a fastening section and a pushing section connected to each other. Each of the two fastening sections is disposed on the carrier in a slidable way. The storage device is located between the two fastening sections. The handle includes two pushing sides corresponding to the two pushing sections. The handle is pivotally disposed on the carrier. The two pushing sides are located between the two pushing sections. The handle is capable of pivoting relative to the carrier.

Abstract: A storage media conversion device includes a mounting bracket (100) and a holder (200). The mounting bracket (100) includes a first baseplate (110) and two corresponding side plates (120) extending perpendicularly from the first baseplate (110). The first baseplate (110) and the two side plates (120) enclose a first loading space (130). Any of the side plates (120) includes a first resilient positioning portion (150) for positioning a first size hard disk (A). A holder (200) includes a pivot shaft (210) pivotally connected to one side of the first baseplate (110), a handle (220) rotatable with respect to the pivot shaft (210), and a contact portion (230) disposed close to the pivot shaft (210). The length from the handle (220) to the pivot shaft (210) is greater than the length from the contact portion (230) to the pivot shaft (210).

Abstract: A segmented frame adapted to receive a storage drive is provided. The segmented frame in one example includes a plurality of linked frame segments configured to pivot with respect to each other and wrap around the storage drive, with a first frame segment and a last frame segment of the plurality of linked frame segments latching together to form a joined segmented frame and hold the storage drive, and a plurality of isolator cups trapped within the joined segmented frame and fitting over a corresponding plurality of mounting wings extending from the storage drive, wherein the plurality of isolator cups suspend the storage drive within the joined frame.

Abstract: A hidden handle module is adapted to a tray accommodated in a chassis. The hidden handle module includes a shaft, a handle, and first and second elastic components. The shaft is pivoted on the tray and interfered with the chassis to stop the tray moving out of the chassis. The handle is pivoted on the shaft and stopped in the tray by a stopping portion of the tray to limit the position of the shaft. The first elastic component is disposed in the tray and stops the handle moving away from the stopping portion. The second elastic portion is connected between the shaft and the tray. When the handle resists elastic force of the first elastic component and moves away from the stopping portion, the handle protrudes out of the tray by elastic force of the second elastic component, and the shaft rotates to be released by the chassis.

Abstract: A method and apparatus for providing a stackable hard-disk drive (“HDD”) carrier using pull-out drawers and fasteners are disclosed. The carrier, in one embodiment, includes an inner case or drawer and an outer frame casing. The inner cage includes a base plate, a front cover, a first side panel, and a second side panel, wherein the first and second side panels are hinged to the base plate. The inner cage is configured to house a removable HDD. The first and second side panels also include fasteners for securing the HDD to the inner cage. The outer frame casing is configured to receive the inner cage via its two opposite guiding walls. The guiding walls are configured to allow extending the inner cage to a predefined distance from the outer frame casing for accessing the HDD.

Abstract: A slide cover has a engaged portion formed thereon. A rotatable member includes a stopper portion which is abutted against the engaged portion so as to restrict a relative movement of the engaged portion of the slide cover when the slide cover is arranged at a closed position. The stopper portion is positioned away from a rotation center of the rotatable member, and the rotatable member rotates to allow the relative movement of the engaged portion when the stopper portion is pushed by the engaged portion. This makes it possible to increase an angle between an stopper surface formed on the stopper portion and a movement direction (right-left direction) of the engaged portion. As a result, the cover is stably held at the closed position.

Abstract: An information handling system includes a chassis having walls that define an interior cavity within the chassis. A backplane is mounted to a bottom wall of the chassis and a processor is connected to the backplane. A primary storage device is connected to the chassis and is communicatively coupled to the processor. A supplemental storage tray has perimeter plates that define a bay within the supplemental storage tray. The supplemental storage tray is suspended above the processor by at least one wall of the chassis. A supplemental storage device is disposed in the bay and is communicatively coupled to the processor. The supplemental storage device provides additional storage capacity to the information handling system.

Abstract: According to an embodiment of the disclosure, an apparatus includes a sleeve configured to surround a hard drive. The sleeve includes a side portion, a bottom portion, a top portion, a front portion, and a back portion. At least one of the side portion, the bottom portion, the top portion, the front, or the back portion is made of an elastomeric material configured to absorb a portion of shock or vibration from being imparted on the hard drive. Additionally, at least one of the side portion, the top portion, or the bottom portion is tapered.

Abstract: An exemplary object is to provide a library apparatus, a magazine insertion detection method, and a program that are capable of detecting whether or not a magazine is inserted for all the magazine insertion positions without using sensors for detecting insertion of magazines.

Abstract: A server for shortening development schedule is disclosed. A case has two tray receiving spaces. Each tray receiving space has a first opening and a second opening. Power sockets are disposed at the same position in the tray receiving spaces correspondingly. A storage unit includes a tray, a mother board and a storage component. The tray is inserted to the tray receiving space from the first opening and disposed extending to the opposite second opening. The storage unit is electrically connects with the power socket and fixed in the tray receiving space through a locking structure.

Abstract: A storage server rack system includes a rack and multiple storage servers assembled inside the rack. The rack includes an integrated power module and a fan wall. The integrated power module distributes a power to the storage servers. The fan wall is disposed by a side of the storage servers for dissipating heat. Each storage server includes a case, an electrical connection module, a motherboard and multiple storage units. The case has a first lateral side and a second lateral side disposed oppositely to each other. The electrical connection module is disposed on the first lateral side and connected to the integrated power module. The motherboard is disposed inside a first heat dissipation space in the case and electrically connected to the electrical connection module. The storage units are disposed outside the first heat dissipation space in the case and electrically connected to the electrical connection module.

Abstract: A server mechanism includes a server and a disk drive module including a fixing frame fixed to an extraction opening of the server, a rail sheet, a disk drive movably disposed through the fixing frame, a sliding sheet disposed at the disk drive and having a sliding slot, a sliding block, and a first elastic member. The rail sheet is disposed at the fixing frame and has an installation rail, an incurved rail, a longitudinal rail, and a detaching rail. The incurved rail has a recess. The sliding block is slidably disposed in the sliding slot and has a guide rod for moving along the installation rail, the incurved rail, or the detaching rail with movement of the disk drive. The first elastic member is for driving the guide rod to be fixed in the recess and for driving the guide rod from the longitudinal rail to the detaching rail.

Abstract: A carrier for installation in a receiving space of a chassis includes a carrier body having a bottom wall and two sidewalls that cooperatively define a carrying space. The bottom wall has two opposite short sides respectively defining front and rear sides of the carrier body. A front shell is connected to the front side of the carrier body, and includes a front cover plate and two connecting walls extending into the carrying space and respectively and adjustably connected to the sidewalls in an overlapping manner to adjust a distance between the front cover plate and the rear side of the carrier body, so that the length of the carrier corresponds to the depth of the receiving space of the chassis.

Abstract: An electronic device unit includes a frame member, a first board that is retained so as to be capable of moving with respect to the frame member in a horizontal direction of the frame member within a range restricted by a movement restricting portion, a first connector provided to the first board, a second board that faces the first board in the horizontal direction and that is positioned with respect to and fixed to the frame member; and a second connector that is provided to the second board and that is connected to the first connector in the fixed state of the second board.

Abstract: A tool-free fixation structure for a data storage device includes: a tray, a front end, center and rear end thereof being respectively formed with a position limiting portion, pressing portion, and elastic propping portion, an accepting space being formed between the position limiting portion and elastic propping portion, two propping sheets being respectively disposed on two sides of the elastic propping portion, and positioning columns being disposed on the tray at a lower side of the accepting space, an outer threaded portion being disposed on a circumference of each positioning column; a data storage device, threaded holes adapted to accept the corresponding positioning columns therein, being on a lower side thereof, an inner threaded portion being disposed in each threaded hole, thereby allowing the propping sheets to press against the data storage device, and achieving a tight engagement of the inner threaded portions with the corresponding outer threaded portions.

Abstract: A securing mechanism includes a rail unit and a locking unit. The rail unit has a first rail structure, a guiding surface that is formed with a pin extension slot, and a first engaging structure. The locking unit has a fixing pin protruding into the pin extension slot, a second rail structure cooperating with the first rail structure to move the locking unit between an unlocked position, where the fixing pin is away from a fixing hole of the electronic device and where the first engaging structure is separated from the second engaging structure, and a locked position, where the fixing pin engages the fixing hole of the electronic device and where the second engaging structure engages the first engaging structure for fixing the electronic device to a mounting frame.

Abstract: A handle module, a hard disk drive (HDD) assembly, and a server are provided. The server includes a case with a mounting hole, a main board, and the HDD assembly. The HDD assembly includes a tray with two slide rails and a fixing hole, a HDD, the handle module, and a rubber pad. The handle module includes a handle with a body plate and a sidewall, a backing sheet, and a switch button. The body plate has a first opening and an inner surface. The sidewall has a second opening. The switch button is disposed between the backing sheet and the inner surface and has a first protrusion protruded out of the first opening and a second protrusion. The number of components disassembled from the server relies on the relative position between the second protrusion and the second opening, the fixing hole, and the mounting hole.

Abstract: A hard disk frame for holding a hard disk drive can include a supporting plate defining a first opening, a first group of positioning portions and a second group of positioning portions. Each of the first and second group of the positioning portions can define a second opening. The second openings can communicate with the first opening. The first group of the positioning portions can enable the hard disk drive to be mounted to the supporting plate at a first direction, and a second group of the positioning portions can enable the hard disk drive to be mounted to the supporting plate in a second orientation different from the first direction. As a result, the hard disk can be arranged in the hard disk frame at different orientations.

Abstract: A method and apparatus for providing a stackable hard-disk drive (“HDD”) carrier using pull-out drawers and fasteners are disclosed. The carrier, in one embodiment, includes an inner case or drawer and an outer frame casing. The inner cage includes a base plate, a front cover, a first side panel, and a second side panel, wherein the first and second side panels are hinged to the base plate. The inner cage is configured to house a removable HDD. The first and second side panels also include fasteners for securing the HDD to the inner cage. The outer frame casing is configured to receive the inner cage via its two opposite guiding walls. The guiding walls are configured to allow extending the inner cage to a predefined distance from the outer frame casing for accessing the HDD.

Abstract: A disk drive can include an enclosure and a media disk rotatably mounted to the enclosure via a spindle. A fluid dynamic bearing (FDB) can be mounted between the enclosure and the spindle of the media disk. The FDB may include an integrally formed shaft and lower thrust bush formed together from a single material.

Abstract: A mounting apparatus for a solid state disk includes a bracket and a latching module. The bracket includes a connecting pole and a supporting member mounted to the connecting pole. The latching module is installed to the supporting member, and comprises a latching member. The supporting member includes a position pole mounted to the connecting pole and a supporting bar perpendicularly extending out from the position pole. The position pole defines a latching slot facing the supporting bar for positioning an end of the solid state disk. The supporting bar defines a guiding slot facing the latching slot for receiving a side of the solid state disk. The latching member is to latch onto the solid state disk.

Abstract: Certain exemplary aspects of the present disclosure are directed towards an apparatus in which a base deck and a base deck cover interface with one another to provide a permeability path. The base deck includes an outer region, and the base deck cover includes a lip that interfaces with the outer region of the base deck to provide the permeability path. The permeability is further defined by at least three interleaved sidewalls of the base deck and base deck cover that define two segments of the permeability path. The permeability path is filled with a polymer material that creates a seal between the base deck and base deck cover.

Abstract: A computer enclosure having a shape, size and specific orientation of components for incorporation of basic computer components, such as a mother board, power supply unit, data storage unit, and disc drive, as well as high-performance components, such as dual large fans, radiator, and long expansion card, with minimal internal air space separating the components, minimizing overall volume. PATENT CITATIONS U.S. Pat. No. 5,701,231 May 1996 Citicorp Development Center, Inc. U.S. Pat. No. 6,522,547 April 2000 Hewlett-Packard Company U.S. Pat. No. 8,068,341 March 2010 Hong Fu Jin Precision Industry (Shenzhen) Co., Ltd. U.S. Pat. No. 8,085,536 January 2010 Hon Hai Precision Industry Co., Ltd. U.S. Pat. No. 8,243,437 March 2010 Hong Fu Jin Precision Industry (Shenzhen) Co., Ltd.

Abstract: Storage apparatus configured to provide an external apparatus with logical storage area as data storage area, the storage apparatus having a physical storage medium configured to generate the logical storage area, and storage controller communicatively coupled to physical storage medium to control data input/output processing between the external apparatus and the logical storage area, wherein the storage controller includes circuit package including circuit board which implements predetermined function of storage controller and a circuit board case to accommodate the circuit board, plurality of cooling fan units that generate cooling air for cooling circuit component mounted on the circuit board of the circuit package, and a chassis having a structure for accommodating the circuit package and the cooling fan units, some of circuit packages are inserted to be accommodated in chassis from opening thereof and are arranged side by side across width direction of chassis.

Abstract: A chassis assembly and method for including a component carrier in an electronic device. The assembly may include a carrier for housing a component for integration into the system. The carrier includes a frame constructed to at least partially contain the electronic portions of the component. A handle is pivotally coupled to the frame. The handle may rotate between an engaging orientation and a securing orientation. A pinion portion is included on the handle. The pinion portion may engage with a corresponding rack formed in the chassis to control movement of the carrier with respect to the chassis. A securing mechanism is disposed on an end of the handle opposite the pinion portion. The securing mechanism may be implemented to secure the handle in a securing orientation wherein the end of the handle, generally opposite the pinion portion, is disposed adjacent the frame. A securing mechanism such as a latch may be included to prevent rotation of the handle with respect to the frame.

Abstract: A server includes a casing, a bottom plate, a first hard disk module, a second hard disk module, and a lifting device. The bottom plate is disposed in the casing and configured to be sliding relative to the casing. The first hard disk module is movably disposed on the bottom plate. The first hard disk module includes a track. The second hard disk module is fixed on the bottom plate and disposed behind the first hard disk module. The lifting device moves up the first hard disk module when the bottom plate is pulled out of the casing, and the lifting device moves down the first hard disk module when the bottom plate is pushed into the casing. A drawer lifting device is also disclosed.

Abstract: A screwless carrying frame for data access devices is fixed to a bottom board and includes a first frame body having an upper structure with an upper vertical plate and an upper transverse plate connected into a step shape. The upper vertical plate has elastic packing elements, and the upper transverse plate has elastic support elements. A second frame body is installed at the bottom board and connected to the first frame body and includes an upper structure with an upper riser plate and an upper horizontal plate connected into a step shape. An upper carrying space is formed between two upper structures of the first and second frame bodies for accommodating the data access device. The elastic packing element is elastically packed at a lateral side of the data access device and the elastic support element is elastically supported at a bottom side of the data access device.

Abstract: A mounting apparatus includes a mounting piece and a drive bracket. A first restricting piece is formed on a top side of the mounting piece. A first sliding member is formed on the first restricting piece. The drive bracket includes a side piece which defines a sliding groove. The sliding groove includes a guiding portion and a restricting portion. The drive bracket includes a handle pivotally mounted thereon. The handle includes a locking portion. The locking portion defines a cutout. The handle is rotated between a first position and a second position. In the first position, the cutout is aligned to the guiding portion to receive the first sliding member in the cutout and the guiding portion. In the second position, the sliding member is restricted in the restricting portion by the locking portion to mount the drive bracket on the top side of the mounting piece.

Abstract: An electronic device chassis includes a base plate for disposing an electronic device circuit thereon, and a cover for the electronic device circuit housing. The base plate includes a bottom portion and a wall portion. The wall portion includes a screw fastening portion including a contact surface that contacts the cover. The cover includes a screw hole for attaching the base plate. The contact surface of the screw fastening portion is higher than an upper surface other than the contact surface of the wall portion. The upper surface portion covers the side of the housing space facing the base plate. The external side surface cover is provided at a peripheral edge of the upper surface cover portion, and extends toward the base plate so as to be longer than a difference between the contact surface of the screw fastening portion and the upper surface of the wall portion.

Abstract: A ruggedized computer, having a thermally conductive metal case having an interior surface and a thermal mass made of thermally conductive metal, suspended from the interior surface of the metal case. Also, a slide plate is supported within the metal case and is in thermal contact to the thermal mass; and a delicate, heat-producing integrated circuit, having a planar surface, is supported in the computer, with the planar surface being in thermal contact to the slide plate. Finally, the slide plate is held in place by a resilient system that permits, but gently resists, movement perpendicular to the integrated circuit, which is thereby not damaged due to force applied from the thermal mass through the slide plate to the integrated circuit, but whereby the thermal mass enhances thermal stability of the integrated circuit.

Abstract: A tool-free fixation structure for a data storage device includes: a tray, a front end, center and rear end thereof being respectively formed with a position limiting portion, pressing portion, and elastic propping portion, an accepting space being formed between the position limiting portion and elastic propping portion, two propping sheets being respectively disposed on two sides of the elastic propping portion, and positioning columns being disposed on the tray at a lower side of the accepting space, an outer threaded portion being disposed on a circumference of each positioning column; a data storage device, threaded holes adapted to accept the corresponding positioning columns therein, being on a lower side thereof, an inner threaded portion being disposed in each threaded hole, thereby allowing the propping sheets to press against the data storage device, and achieving a tight engagement of the inner threaded portions with the corresponding outer threaded portions.

Abstract: A rear board of a blade server, a blade server and a subrack are provided. The blade server includes a front board and a back board, the rear board includes a standard ATCA interface, and the rear board is connected to the front board by the standard ATCA interface. The blade server also includes a connector configured to connect hard disks which is set on the rear board, and a portion of the rear board on which the connector is set is extended outward so as to accommodate at least two hard disks, and the at least two hard disks are connected to the connector. The blade server increases the ability of the heat dissipation ability of the front board, and the rear board supports data backup between the two hard disks and hot plug.