Abstract: A computer case having a chassis, a motherboard support plate, a backplane having an edge attachable along an edge of the motherboard support plate to form a unitary motherboard-backplane support structure, and pivotable linkage members coupled between the chassis and the motherboard-backplane support structure for pivotal movement of the motherboard-backplane support structure between a first position in which the motherboard-backplane support structure is located inside the case and, a second position in which the motherboard-backplane support structure is located substantially outside the case.

Abstract: A semi-mobile desktop personal computer incorporating the features of a desktop personal computer with the mobility of a mobile personal computer. The computer includes a system enclosure attached to a storage enclosure, the storage enclosure extends outside the system enclosure and provides stability for the system enclosure by engaging the surface on which the system enclosure has been placed for use.

Abstract: A cabinet having a plurality of compartments adapted to have disposed in a corresponding one thereof one of a plurality of processing unit modules. Each one of the modules includes a case. The case has a motherboard mounting surface adapted to have mounted thereto one of a plurality of differently configured motherboards, each one of the differently configured motherboards having a different arrangement of a CPU, main memory and I/O adapted cards. The case also has a bulkhead mounting surface adapted to have mounted thereto one of a plurality of differently configured I/O bulkheads, each one of the differently configured bulkheads being configured for a corresponding one of the differently configured motherboards. The case has a fan mounting surface adapted to have mounted thereto one of a plurality of differently configured fan assemblies, each one of the differently configured fan assemblies being configured for a corresponding one of the differently configured motherboards.

Abstract: An electronic apparatus has a housing with a peripheral wall. The peripheral wall has a lock hole in which a lock device is detachably engaged. A receptacle is formed in the housing. The receptacle has an insertion hole formed in the peripheral wall of the housing. The receptacle removably receives a functional component through the insertion hole. A lock member is disposed within the housing. The lock member is movable between a locked position where the lock member is advanced to the receptacle and irremovably locks the functional component in the receptacle and a lock release position where the lock member retreats from the receptacle and unlocks the functional component. The lock member has a first engaging hole which is continuous with the lock hole when the lock member is moved to the locked position and a second engaging hole which is continuous with the lock hole when the lock member is moved to the lock release position.

Abstract: A protection device for an electronic instrument having a power supply, a power cord for attachment to the power supply, and an interlock member being movable between a first position preventing attachment of the power cord to the power supply, and a second position permitting attachment of the power cord to the power supply.

Abstract: A data server having a plurality of hot replaceable processing unit modules. Each module includes a motherboard having plugged therein: a CPU; a main memory; an I/O adapter card, and an interconnect printed board, electrically connected to the motherboard. A backplane has a first connector adapted for coupling to a DC power supply. The interconnect printed circuit board has a DC to DC converter connected to a second connector adapted to mate with the first connector to enable the processing unit module to be hot plugged into, or removed from, the backplane. The backplane has formed thereon a strip transmission line adapted to provide an Ethernet bus for interconnecting a plurality of the modules. A cable management system for a cabinet used to house the module includes at least one vertically extending channel disposed in the cabinet and a fastener adapted to open and enable the a cable to be inserted into the channel and close to retain such cable within the channel.

Abstract: A universal adapter bracket for installing standard form factor adapter cards such as PCI cards into larger expansion slots of a communications device, such as a router or switch. The adapter bracket has a front face with angled flanges forming an aperture for accepting standard PC brackets, an upper flange with conductive spring clips or foam gasket material, a lower flange for securing a carrier card to the adapter bracket, and fasteners on the front face of the adapter bracket for securing and grounding the adapter bracket to the communications device.

Abstract: A mounting structure of a magnetic disk drive into a main body of computer is disclosed. The mounting structure comprises a lower frame of the magnetic disk drive including a bottom plate and a pair of side walls, and four cantilevered arms provided near front and rear ends of the pair of side walls, each of the cantilevered arms includes a continued portion connecting with each of the side walls at one point, a plurality of bent portions, a free end portion, and at least one screw hole for fixing onto the main body of computer by screws, the cantilevered arms are arranged so as to be that directions of bending stresses derived from screw-tightening torques and acting to the continued portions of the cantilevered arms are accorded with each other.

Abstract: A heat transfer device for use with a retention assembly is herein disclosed. The retention assembly is mounted over one or more connectors attached to a circuit board. The retention assembly houses one or more processor modules that mount into the connectors. The processor modules include a heat transfer device. The heat transfer device has a pair of rail guides that cover the outer edges of the processor module. The rail guides enable the processor module to slide in and out of the retention assembly thereby enabling the processor module to be securely mounted into the connector.

Abstract: A rack mounted rectifier has a cooling fan module which is removable and replaceable in the field for servicing the rectifier when a cooling fan failure occurs. The rack mounted rectifier module includes a rectifier unit, a housing, DC output contacts, AC input contacts, and a data signal connector. The cooling fan module has a mounting bracket, a cooling fan unit which is secured to the mounting bracket, and a cooling fan connector which is mounted to the mounted bracket and electrically connected to the cooling fan motor. The housing of the rectifier unit has a socket for receiving the cooling fan module and a mating cooling fan connector for engaging the cooling fan connector to electrically connect the cooling fan unit to electric power when the cooling fan module is fully inserted within the socket.

Abstract: A manually activated docking station that readily receives a generally horizontally inserted mobile computing device. Movement of a manual activation member causes engagement fingers to positively engage a mobile computing device and pull the port of the computing device onto the port of the docking station. Also disclosed are a unique locking method that impedes movement of the manual activation member and an uninterrupted power supply.

Abstract: A bracket having two parallel sides and an interconnecting crosspiece is attached to a disk drive or similar peripheral with the sides of the bracket extending longitudinally of the sides of the drive and the crosspiece extending across the front of the drive. A chassis of a computer or the like has internal parallel sides formed with horizontal guides to receive the bracket, a substantially open front face and an internal connector engageable with a mating connector on the rear of the drive when the bracket is fully inserted in the chassis. The sides of the bracket have features to protect the drive from horizontal and vertical vibrations. A handle is pivoted to the crosspiece near one end moveable between at least three positions: a first or latched position parallel to the crosspiece, a second position swinging out at about a 15.degree. angle and a third position at about a 45.degree. angle.

Abstract: An insertion device for the hard disk drive of a portable computer is fixedly disposed in a base of the portable computer and includes hinged-together upper and lower covers for receiving the hard disk drive. The insertion device is secured to the base by adhesion to facilitate the procedure for assembling the insertion device to the base. The hard disk drive is inserted into the insertion device and the covers closed to secure the hard disk drive in the base. The hard disk drive can easily be taken out by pivoting the upper cover away from the lower cover and using a pulling member to remove the hard disk drive from the insertion member. The insertion device, which may be made of a relatively soft material, effectively minimizes shock forces and protects the hard disk drive from being damaged.

Abstract: A retail terminal includes a first base assembly and a first power supply which is mounted on the first base assembly. The retail terminal also includes a second base assembly and a second power supply which is mounted on the second base assembly. The retail terminal further includes a core module assembly for performing a point-of-sale retail function and a product demonstration retail function. When the core module assembly is performing the point-of-sale retail function, the core module assembly is secured to the first base assembly and electrically coupled to the first power supply. When the core module assembly is performing the product demonstration retail function, the core module assembly is secured to the second base assembly and electrically coupled to the second power supply.

Abstract: A computer which includes modular structures incorporated therein provides enhanced serviceability. In a preferred embodiment, the computer has a chassis, a lid, a front bezel, an option card module, a system board module, a drive module, and a power supply module. The lid secures the option card module within the chassis. The option card module is removable from the chassis without disconnecting fasteners, option boards, or external cables therefrom. The system board module is received in the chassis and is secured therein by the option card module. The drive module has features which enable storage media devices to be conveniently installed therein and removed therefrom.

Abstract: A computer enclosure comprises a base frame, a mounting bracket, and a top cover. The base frame has a base panel, a front panel, a rear panel for mounting connectors and a power supply thereto, and a plate dividing the base frame into a first space for receiving and mounting a mother board on the base panel and a second space for containing and fixing other components such as a switching power supply, a floppy disk drive, or a CD ROM. The mounting bracket receives a hard disk therein and can be mounted in either the first space or second space. Alternatively, two mounting brackets can be mounted in both spaces, respectively. The mounting bracket is hooked onto the plate and fastened onto the front or rear panel with one screw. The base frame has a stopper located between the front and rear panels and pivotably mounted to the base panel. The mother board smoothly slides into the first space without obstruction by engaging the stopper the base frame.

Abstract: A data storage module and enclosure system generally comprising a data storage module enclosure and a plurality of data storage modules. The module enclosure includes top and bottom guide plates that define a plurality of data storage module bay slots. Normally, the top guide plate includes a plurality of compliant tabs that are adapted to engage the data storage modules when fully inserted, and a lock rail that is used secure the module in place within its bay slot. The data storage modules each include a data storage device, such as a disk drive, and a module carrier. The module carrier includes a canister having an open configuration. Normally mounted to the front side of the canister is a bezel which is contoured to fit the user's hand and which includes a finger cavity that facilitates carrying of the module.

Abstract: A customizable hand-held data terminal system employs multiple housing bases able to accommodate different components allow the manufacture of hand-held data terminals with a variety of features based on a single design. Because the system according to the present invention does not require the external mounting of components, the ergonomics and basic footprint of the unit remains unaltered. The present system also alleviates problems with moisture resistance, shielding, and survivability under harsh treatment associated with terminals employing externally mounted end cap modules or pod. The present invention employs a plurality of different sized base units which can accommodate a variety of different components and configurations, and wherein the different base units are interchangeable with a single upper surface and user interface comprising a display screen and keypad.

Abstract: The present invention relates to a portable computer on which a communication device can be mounted. Its object lies in maintaining the communication device more conveniently when the portable computer is in use by mounting the communication device on the portable computer. The latter comprises a main body and a battery mounted in rotatable fashion, centering around the main body, and a communication device mounting part for mounting the communication device on a part formed by the main body and the battery.

Abstract: A case for a personal computer or the like is provided which includes a modular multiple drive bay unit that is removably attached to the case. The removable unit can have various drive units such as floppy disk drives, CD drives, and the like, installed in the bays. The removable attachment between the case and modular drive bay unit allows the drive unit to be removed from the case while maintaining electrical communication therewith by way of an external cable so that the case can be placed on the ground such as under a desk, and the removable drive unit can be put on the desk to provide ready access to the drive units of the modular unit.

Abstract: The invention disclosed module carriers for electromagnetically screened, plug-in modules, which carry a front plate (2) which in turn has U-shaped limbs (3, 3', 4, 4') with lateral spring elements (5) for the screening. Through use of a suitable metallic sheet, and through a geometrical design of the limbs (3, 4) and of the spring elements (6, 17) matched thereto, it is possible to cut out and bend screening plates (10, 10'), limbs (3, 4) and spring elements (6, 17) in one piece from the sheet metal. If one can decide to adopt standardized limbs (3, 4) and spring elements (6, 17) with corresponding bending tools and if the cutting out is, for example, effected under numerical control with a laser on a sheet of stainless metal, then a high flexibility arises for different dimensions of the front plates (2) and rational manufacturing is possible even with small batch sizes.

Abstract: An information processing apparatus such as a portable computer comprises a housing having an opening portion. A receptacle is formed within the housing. The receptacle communicates with the opening portion. An extension card is removably contained in the receptacle through the opening portion. The opening portion is covered by a cover. The cover is detachably attached to the housing by means of screws and covers the extension card. The housing body has a number of projections arranged to surround the receptacle. The projections are arranged at intervals along a periphery of the opening portion. Adjacent ones of the projections cooperate to constitute communication passages communicating with the receptacle within the housing.

Abstract: An apparatus and method for mounting a disk drive such as a hard drive, floppy drive, or CD-ROM drive to the chassis of a computer. No tools or conventional fasteners such as screws are required to install or remove a disk drive. A combination of members, including shear connectors and a deformable member, are employed to secure a disk drive.

Abstract: An electronic system includes a chassis with attachment features which may interchangeably accept and secure a connector assembly and paralleling board assembly. The connector assembly may be used in a lower cost nonredundant power supply configuration while the paralleling board assembly may be used in multiple power supply configurations. The power supply may be interchangeably connected to the connector assembly and the paralleling board assembly.

Abstract: An electrical power supply assembly includes a base member, a cover member connected to the base member to confine a space, at least one partitioning plate disposed between the base and cover members to divide the space into a plurality of side-by-side adjacent compartments, a plurality of rails disposed on the base and cover members and the partitioning plate, a plurality of electrical power supply units slidably disposed inside the space and having slide members held slidably by the rails, a rear cover attached to the base and cover members, an electrical circuit board mounted on the rear cover and electrically connected to the power supply units, and an electrical control box disposed outwardly of the space and connected to the base and cover members and the rear cover.

Abstract: A drive housing fixing means comprises an elongate locking bracket, a thumbscrew and a bolt. The locking bracket defines a first hole in a first end and forms a bend on a second end for being received in a slot defined in a computer chassis whereby the locking bracket is pivotably mounted to the chassis. A base plate is integrally formed with the chassis and defines a notch in a left portion thereof. A drive cage is mounted to a bottom surface of the base plate and a drive box is slidably received between the chassis and the top surface of the base plate. The bolt is fixedly received in a second hole defined in a left side wall of the drive cage and extends outside the drive cage. The locking bracket pivots downward to be received in the notch and to receive the bolt in the first hole thereof. The thumbscrew threadedly engages with the bolt to secure the locking bracket between the left side wall of the drive cage and the thumbscrew.

Abstract: An apparatus for adjustably mounting a cooling device, such as a fan, to a computer enclosure comprises a saddle and a bracket. The saddle for mounting the fan thereto has opposite longitudinal skirts with locating slots defined therein. The bracket has a first portion attached to a wall of the computer enclosure and a second portion for mounting an assembly of the saddle and the fan thereto. The assembly of the saddle and the fan is slidably mounted to the second portion of the bracket for adjustably locating at a position corresponding to a CPU of a mother board.

Abstract: A computer housing comprises a base frame, a mounting bracket, and a top cover. The base frame has a base panel for mounting to a mother board, a front panel, a rear panel for mounting connectors and a power supply thereto, and a locating plate for fixing a riser card thereto. The mounting bracket is supported on the front and rear panels, defines a plurality of screw holes therein for fastening a hard disk and the power supply thereto, and forms a plurality of spring fingers contacting the top cover for providing electrostatic discharge and grounding capabilities. The top cover is U-shaped and forms a plurality of hooks on an inner side thereof for engagement with the base frame.

Abstract: A VXI chassis which has user selectable or configurable slot 0 locations. The VXI chassis includes a personality module interface coupled to the VXI backplane comprised in the chassis. The personality module interface or slot is adapted to receive a personality module. The personality module can be inserted into the personality module interface or slot in one of a plurality of orientations. Based on the orientation of the inserted personality module, the personality module is operable to selectively route signals on the backplane to enable one of a plurality of locations to operate as the slot 0 location. In the preferred embodiment, the VXI chassis can house a plurality of C size and/or B size VXI/VME cards, and the VXI chassis is configurable between different slot 0 locations for different size cards, i.e., between either a C-size or B-size slot 0 controller.

Abstract: A computer system includes a chassis and a hard disk drive mounting bracket rotatably attached to the chassis. A portion of the bracket includes a resilient surface formed therewith and extending into sliding engagement with the chassis. An alignment tab is attached to the bracket and extends therefrom into engagement with a groove in the chassis for guiding the bracket to a secured position. A securing tab is attached to the bracket and extends therefrom for engaging the chassis and securing the bracket in the secured position.

Abstract: A dock-kit interface port on an in-tray of a mobile rack which includes casing, an interface circuit board mounted inside the casing and having an interface circuit, an in-tray connector soldered to the interface circuit board at one side and connected to an electric connector on the in-tray, and at least one interface connector soldered to the interface circuit board at an opposite side and adapted for connecting to a computer by a cable, a power connector mounted on the rear cover shell and connected to the interface circuit and adapted to receive power supply from a power supply outlet through a transformer circuit, a power switch mounted on the rear cover shell for power on/off control.

Abstract: A detachable housing structure of a computer, including a main base board and a detachable base board. The main base board includes a front section and a rear section. The rear section serves to bear a computer main circuit board, a power supply and other components. The detachable base board is detachably assembled with the front section. The detachable base board has an L-shaped structure, having a front vertical panel serving as the face panel of the computer and a horizontal panel on which the hard disc drive, floppy disc drive and CD ROM device are mounted. When assembling the detachable base board with the main base board, the detachable base board is locked and located by engaging structure and locking mechanism. The detachable base board can be easily drawn out of the main base board for maintenance, replacement and expansion.

Abstract: A system and method for converting a desk-top computer into a rack-mounted computer includes mounting the chassis of a desk-top computer in a carrier tray. The carrier is then mounted in means for sliding the carrier in and out of an electrical equipment rack.

Abstract: A system for automatically electrically connecting electronic components, such as an input/output board and a power supply, with a motherboard includes attaching in a tray with electronic components with a frame. In one embodiment, a tray is pivotably attached to a computer housing frame and a connector extends from the under side of the tray. As the tray is pivoted about its axis, the connector is engaged or disengaged from a connector fixedly mounted on the motherboard. The connector on the motherboard has a flexible funneled opening to facilitate insertion of the pivoting connector. In another embodiment, a tray with electronic components can be quickly disconnected from the motherboard by lifting the tray straight up guided by frame tracks. By lifting the tray, a series of leads mounted on the tray are disengaged from the slot connector mounted on the motherboard. Advantageously, a method for disconnecting electronic components from a motherboard in a computer frame is disclosed.

Abstract: A modular computer chassis configurable for both rack mounting and free standing use includes a housing with a multiple compartments for receiving computer devices and peripherals therein. The housing further includes side access panels and a top access panel, each being attachable and removable from the frame of the chassis without tools. The frame of the modular computer chassis is configured with slots to receive corresponding tabs on each of the side and top panels which facilitate the quick installation and removal of the side and top panels from the frame of the chassis. Multiple tool-less fasteners are used to further secure side and top covers to the frame of the chassis.

Abstract: An electronic unit with a mother board carrier beneath a service carrier in a housing. The carriers are independently movable between retracted use positions and forward access positions for maintenance. Service components are hence of no hindrance when removing printed circuit boards from the mother board carrier. The mother board is horizontal with the primary surface facing upwards. This latter feature together with the orientation of other printed circuit boards and of the service components minimizes the frontal area of the unit and provides pathways for front-to-rear cooling air flow. A connector arrangement connects the two carriers together only when both carriers are in their retracted use positions. Flexible lengths of cable extending between the carriers together with attendant stowage and hindrance problems are thus avoided. A retaining bar structure is included which acts at multiple positions against daughter boards to hold them securely against vibration during transporting and also in use.

Abstract: Disclosed is a main unit and at least one expansion unit having a housing that contains a jack extending from the top of the housing and a plug extending from the bottom of the housing, the jack of one module mating with the jack of another module. Each module, including the main unit, each contain at least one circuit panel between the jack and the plug. A rigid, non-flexible connector electrically connects the jack and the plug of each unit to the circuit panel. In addition, the top side of each panel contains a flange around the periphery of the top side that mates with a recess that runs around the periphery of the bottom side of an adjoining module to attach the two modules together.

Abstract: A device for securing a power supply in a computer chassis includes a power supply housing having a handle movably mounted thereon. An insertion and extraction cam device extends from the handle and is pivotable into and out of engagement with a cam receiver in the chassis. A housing locking device extends from the handle and is slidable into and out of engagement with a lock receiver in the chassis. A power switch actuator tab is connected to extend from the handle and slide into and out of engagement with a power switch actuator arm mounted in the power supply. A power cord lock is connected to extend from the handle and slide to and from a lock position adjacent a power cord plug attached to the power supply.

Abstract: A diskdrive suspending device suspended from a longitudinal rail and a vertical wall in a computer mainframe casing behind an opening of a face panel thereof to hold two diskdrives, including an upper diskdrive holder adapted for holding a diskdrive and having hooks extending from a top cover plate thereof and respectively hooked on the longitudinal rail and vertical wall of the computer mainframe casing and hook holes and retaining notches on a bottom wall of a casing thereof for the mounting of the lower diskdrive holder, and a lower diskdrive holder adapted for holding a diskdrive and having top hooks respectively hooked on the hook holes and retaining notches of the casing of the upper diskdrive holder.

Abstract: A casing is intended to meet various requirements of a computer network system, reduce the cost of a computer network system, enable the enhancement of a computer network system after installation, and secure desired functions and reliability of a computer network system for a long period of use. The casing is constructed by stacking a plurality of types of subordinate casings (2, 3) differing from each other in height on a base (4). Each of the subordinate casings (2, 3) is provided with an individual front cover (5), and common signal lines on its rear surface having removable rear cable covers on the rear surface. The subordinate casings (2, 3) contain general-purpose electronic devices, such as a personal computer, a workstation, an extension disk/disk array, an integrated communication server (ICS), an uninterruptible power supply and the like, respectively. The functional devices are interconnected by signal lines extended on the rear surface of the casing to construct a system.

Abstract: A computer docking station is provided which, in a disclosed embodiment thereof, includes multiple security features. The security features are operable to prevent access to interior portions of the docking station, prevent access to a card bay of the docking station, prevent ejection of a disk drive from a disk drive module of the docking station, and prevent operation of the disk drive module. Operation of the security features may be simultaneously and conveniently initiated by rotating a keyed lock mechanism to thereby rotate a cam mounted thereto.

Abstract: Apparatus for securing a computer cover to a computer chassis. In a preferred embodiment, a computer cover and computer chassis include a latching mechanism with components attached to each. The cover includes a button and a stop located adjacent to the button. The chassis includes a leaf spring so that, when the cover is closed onto the chassis, the leaf spring engages with the stop, thereby securing the cover to the chassis. Likewise, whenever the button is being depressed, such as by a user, the button pushes the leaf spring away from the stop. As a result, the leaf spring is no longer engaged to the stop and the cover can be easily opened from the chassis.

Abstract: An apparatus to extend printed circuit board length allows for secure mounting of the printed circuit boards. More particularly, the extender bracket apparatus (30) is for stabilizing small or short, commercial off the shelf (COTS) circuit boards (20) for personal computers (PC). The apparatus will aid in operation of small circuit boards for rugged applications such as high vibration conditions in vehicles. The extender bracket apparatus (30) is first fastened to an adjustable clamp (60), which is then fastened to a COTS circuit board. The adjustable clamp has holes that facilitate attaching to slots in the extender bracket apparatus. The clamp and extender board may have a dielectric surface to prevent electrical conduction. The dielectric can be an adhesive to hold the printed circuit board. The apparatus can then be fastened to a computer chassis (40) for rigidly mounting the circuit board.

Abstract: Guide members to guide the guide edges of plug-in units upon insertion of the plug-in units into the U-shaped bus duct of a low voltage switchgear assembly. The guide fittings are arranged on the inside of the side legs of the U-shaped bus duct, and the plug-in units are held between the side legs of the bus duct. Each of the guide members extends from and is made of the same material continuous with its corresponding side wall of the bus duct.

Abstract: A drawer type computer housing mounting system including a computer housing formed of a bottom shell, a top cover shell and a face panel, and two sliding rails fastened to two opposite vertical side panels of the bottom shell of the computer housing for permitting it to be moved between two sliding tracks in a desk, wherein the sliding rails each have a first wall and a second wall connected at right angles, and a plurality of mounting holes at the first wall and the second wall for connection to the two opposite vertical side panels of the bottom shell of the computer housing by fastening devices, the first wall and the second wall having different widths so that the sliding rails can be alternatively fastened to the computer housing between two positions to fit the pitch between the sliding tracks in the desk; the vertical side panels of the bottom shell each have a plurality of vertical sliding slots to which the sliding rails are adjustably fastened by fastening devices at the desired elevation.

Abstract: A cascadable modem apparatus includes a modem housing having a top and a bottom. A plurality of angled feet are attached to the housing bottom in cantilever fashion to define a distal portion of each foot. The feet serve both to support the modem on an platform as well as to attach the modem to a similarly configured, adjacent modem assembly. In the preferred embodiment, a plurality of receiving slots are defined in the housing top and are correspondingly disposed to receive the distal portions of a plurality of angled feet from an adjacent modem housing. In this way, insertion of the distal portions of the feet snugly into the receiving slots of an adjacent modem effectively attaches the two adjacent modem assemblies. Preferably, a resilient locking tab is attached to the housing bottom in cantilever fashion to define a distal portion directed away from the housing bottom. As a result, the tab is responsive to force applied to the distal portion to flex inwardly toward the housing bottom.

Abstract: A transport pallet is provided for automating pre-shipment testing or "burn-in" of personal computers. The transport pallet is adapted to receive and transport the computer from an assembly line to a test storage location or bin. The pallet also provides on-board connections by which both operating power and computer signals are furnished to the personal computer at the test storage location. The pallet is adapted to engage external power supply terminals and external computer signal inputs at the test location. The pallet furnishes both power and test signals to the personal computer and return responses of the computer through the on-board connections, permitting "burn-in" testing of the computer while it is located in the test storage bin.

Abstract: A low profile personal computer includes an enclosure having a bottom wall. A riser card including functional circuitry extends vertically from the bottom wall and partitions the enclosure into first and second regions. A motherboard is positioned within the first region of the enclosure along the bottom wall and adjacent to the riser card for interfacing with the riser card. A series of horizontal option card interfaces are located above each other on the riser card within the first region of the enclosure each for interfacing with a corresponding option card and to position the option cards horizontally over the motherboard. The horizontal option card interfaces are capable of interfacing with a maximum of three option cards at the same time. The functional circuitry on the riser card minimizes the number of option cards which enables the overall height of the enclosure to be minimized.

Abstract: An improved structure of drawer type computer housing mounting system including a computer housing carrier, a computer housing carried on the computer housing, a face panel fixedly fastened to the computer housing at its front side and having openings adapted for receiving disk drivers and a CD-ROM player being mounted in holes in a front side of the computer housing, and two sliding rails fixedly fastened to two opposite lateral sides of the computer housing carrier for enabling it to be moved in and out of a desk.

Abstract: The present invention is a personal computer case that is easy to assemble and disassemble. The computer case can be separated into two members, the first covering the top, front, right and left sides of the case, and the second covering the bottom, front, and rear sides of the case. A push button operated latch enables one member to become detached from the other member, allowing the case to be opened, without requiring the use of screws or special tools. The push button contains a slidable detent feature that can prevent the button from being depressed, thus preventing the inadvertent disassembly, separation, and opening of the computer case. The case contains a security feature that involves attaching a padlock to a tab portion of one member that is slid through a hole in the other member. With the padlock attached, the tab can not be retracted from the hole, thus preventing the unwanted separation of the two members.