Abstract: A peripheral component interconnect (PCI) adapter includes a PCI connector for connecting to a PCI slot of a motherboard, a first PCI expansion slots for connecting a first PCI card, a second PCI expansion slot for connecting a second PCI card, a detection control circuit connected to the first PCI expansion slot and the second PCI expansion slot, and an alarm circuit connected to the detection control circuit. The detection control circuit detects operation power of the first PCI card and the second PCI card, and controls the alarm circuit to report a fault alarm when the operation power of the first PCI card exceeds a threshold power of the first PCI expansion slot or the operation power of the second PCI card exceeds a threshold power of the second PCI expansion slot.

Abstract: A management device includes a control module, a display module, and an input module. The control module includes a control chip and a detecting unit. The detecting unit is used to receive first signals corresponding to a working status of hard disks and a backplane. The display module is coupled to the control chip to display parameters presenting the working status of the hard disks. The input module is used to input signals to control the display module to display more detailed parameters of the hard disks.

Abstract: An expansion board that can be inserted into a first memory slot is provided. The expansion board includes a circuit board, a number of second memory slots, a frequency divider, and an edge connector. The second memory slots and the frequency divider are arranged on the circuit board. The edge connector is set on a side of the circuit board to engage in the first memory slot. The second memory slots and the frequency divider are coupled to the edge connector, to communicate with the first memory slot via the edge connector.

Abstract: A computer includes an enclosure, a network card connected to an external network, a time limit control device, a power module, and a switch. The time limit control device is used to set a connection time of the computer with the external network, and control a network switch module to enable the network card to connect the computer to the external network according the set connection time. The time limit control device is used to count down the connection time, and control a display module to display a remaining connection time. When a countdown of the connection time is zero, the time limit control device controls the network switch module to disable the network card and thereby disconnecting the computer from the external network.

Abstract: In a method for setting dual monitors for a host computer, when a host computer connects to two monitor, two keywords, and two mice, the host computer is controlled to work in a dual-monitor mode. A main monitor and a subordinate monitor are set from the monitors that are connected to the host computer, and a main keyboard/mouse and a subordinate keyboard/mouse are set from the keyboards and mice that are connected to the host computer. The main keyboard and mouse and linked to the main monitor, and the subordinate keyboard and mouse are linked to the subordinate monitor.

Abstract: A peripheral component interconnect (PCI) adapter includes a PCI connector for connecting to a PCI slot of a motherboard, a first PCI expansion slots for connecting a first PCI card, a second PCI expansion slot for connecting a second PCI card, a detection control circuit connected to the first PCI expansion slot and the second PCI expansion slot, and an alarm circuit connected to the detection control circuit. The detection control circuit detects operation power of the first PCI card and the second PCI card, and controls the alarm circuit to report a fault alarm when the operation power of the first PCI card exceeds a threshold power of the first PCI expansion slot or the operation power of the second PCI card exceeds a threshold power of the second PCI expansion slot.

Abstract: In a system and method for testing a wake-up on LAN (WOL) function of a computer, the computer connects to a server through a local area network (LAN). The system constructs a network connection between the server and the computer according to an Internet protocol (IP) address, a media access control (MAC) address and a name of the computer, and enables the computer in a wake-up mode when the server connects to the computer through the LAN. A wake-up command is generated for waking up a WOL function of the computer, the computer performs a WOL function test process according to the wake-up command. The sever detects a current status of the computer from a data packet when the data packet is received from the computer, and records the current status as a test result of the WOL function of the computer.

Abstract: A keyboard for an electronic device includes a main body, a test indicator positioned on an outside surface of the main body, and an interface electrically connected to both the main body and the test indicator. Both the main body and the test indicator are electrically connected to a main board of an electronic device through the interface. The electronic device can be operated using the keyboard, and the test indicator indicates the working status of the electronic device.

Abstract: A mouse includes a casing, a light, a switch, and a supporting device. The casing includes a base plate and a top cover covering the base plate. The top cover defines a receiving hole. The switch is electrically connected to the light and used to turn the light on and off. The supporting device is movably accommodated in the receiving hole and supports the light. The supporting device is capable of moving out of the receiving hole.

Abstract: A method for testing stability of a server includes the following steps. Providing a first user input interface for a user to input test parameters. Generating a control signal according to the input test parameters and transmitting the control signal to the BMC of the server. Controlling the server to start and shut down via the BMC. Detecting whether the tested characteristics are within specified ranges during each start and shutting down operation. Generating a SEL if any abnormal result is obtained and records a test time when the abnormal result is obtained in the SEL. Storing the generated SEL in a storage unit. Providing a second user input interface on the display for the user to input conditions to filter test results. And responding to the input conditions and outputting corresponding test results to the display.

Abstract: A queue reminder method applied in a computing device computes a predicted waiting time interval of each uncalled number. The method generates a message when the predicted waiting time interval of an uncalled number is less than a preset time interval, and sends the message to a communication account associated with the uncalled number.

Abstract: A display device is coupled to a computer, and the computer accommodates a motherboard. The display device includes an interface unit connected to the motherboard, a display panel, and a processor electrically coupled to the interface unit. The processor is used to: receive a power-on self test (POST) code from the motherboard via the interface unit, convert the POST code into a debug code, and control the display panel to display the debug code.

Abstract: A test apparatus and a method are provided for testing a peripheral component interconnect (PCIE) slot by simulating the disconnection and reconnection of a device in the slot. The test apparatus detects whether a PCIE slot is in fact connected to an external device, and if so simulates an action of removing the external device from the PCIE slot and an action of re-inserting the apparently removed external device back into the PCIE slot to test the slot, thereby replacing any manual disconnection and reconnection.

Abstract: A device includes a main body and a control circuit received in the main body. The main body includes three push buttons and a display. The control circuit includes a parameter setting unit, a rotation speed detection unit, and a display unit. The push buttons are operated to input signals to the parameter setting unit. The parameter setting unit generates and saves a reference value according to the signals received from the push buttons, and outputs the reference value to the display unit. The rotation speed detection unit detects an actual rotation speed of a fan, and outputs the actual rotation speed to the display unit. The display unit controls the display to display the reference value and the actual rotation speed.

Abstract: A management system for controlling a communication between a baseboard management controller (BMC) and a basic input/output system (BIOS) coupled to a platform controller hub (PCH), includes a network chip coupled to the BMC, a switch unit configured to control connection between the BIOS and the BMC, and a control unit to output a first control signal or a second control signal to the switch unit. When the control unit outputs the first control signal to the switch unit, the switch unit enables the communication between the BIOS and the network chip. When the control unit outputs the second control signal to the switch unit, the switch unit disables the communication between the BIOS and the network chip.

Abstract: A Universal Serial Bus (USB) hub includes a USB input, a number of USB outputs, a USB controller, a power processing module, and an alarm. The USB controller controls data transmission between a connected USB device connected to the USB output and a computer. The power processing module obtains a power of each USB output and sums the power of all the USB outputs. The power processing module further compares a preset power value with the sum of the power. When the sum of the power is greater than the preset power value, the power processing module outputs a control signal to activate the alarm.

Abstract: An adaptor failure tolerance test device includes a first connection module, a second connection module, a teaming control module, and a connection control module. The first connection module includes eight first interfaces configured for connecting to a plurality of respective adaptors of a network server. The second connection module includes eight second interfaces configured for connecting to a switch. The teaming control module includes eight first switches, each of which is connected to a corresponding first interface. The connection control module includes eight second switches and a control unit. Each of the second switches is interposed between a corresponding first switch and a corresponding second interface. The control unit is configured for detecting which first switches are turned on and turning on the second switches corresponding to the first switches which are turned on for a predetermined time period.

Abstract: A testing device is capable of simulating plugging and unplugging operations in relation to an USB port of an electronic device. The testing device comprises a processing unit to detect an electrical connection between the testing device and the USB port, and to control an indicator to cycle between a state of recognizability and a state of unrecognizability even though a physical connection to the USB port of the electronic device exists at all times. The state of recognizability indicates the testing device is capable of being recognized by the electronic device, and the state of unrecognizability indicates the testing device is incapable of being recognized by the electronic device. Reading and writing tests are carried out by the testing device each time that recognizability is indicated, to repeatedly test the integrity of the USB port being tested.

Abstract: An electronic locking assembly includes an electronic lock and an electronic key for unlocking the electronic lock. The electronic key includes a first memory for storing a first password, and a first signal transceiver for encoding the first password into a first wireless signal and transmitting the first wireless signal. The electronic lock includes a main body for physically locking or unlocking the device, a second memory for storing a second password, a second signal transceiver, a processor, and a comparator. The second signal transceiver receives the first wireless signal and decodes the first wireless signal into the first password. The processor sends the first password and the second password to the comparator. The comparator compares whether the first password second password match, and thus to control the main body to physically lock or unlock the device.

Abstract: A motherboard alarm system test circuit includes an infrared emitter, a memory, and a circuit board. The circuit board includes a memory slot, many edge connectors, an infrared receiver, a single chip computer, and a switch circuit. The memory slot includes many spaced metal sheets. One end of each metal sheet is electrically connected to one of the first golden fingers of the memory. Each edge connector is electrically connected to the other end of each metal sheet. The second golden fingers of the circuit board are electrically connected to the memory slot. The signal chip computer includes an input pin electrically connected to the infrared receiver. The switch circuit is electrically connected to the signal chip computer. The switch circuit controls an electrical connection between the plurality of metal sheets and the plurality of first golden fingers of the memory.