Abstract: A visible light communication device includes a light-emitting unit, a switch-mode light-emitting diode (LED) driver, a synthesizing circuit, and a path selection circuit. The switch-mode LED driver provides a driving current for driving the light-emitting unit. The synthesizing circuit synthesizes a data signal and a dimming signal to form a synthesized signal. According to a data frequency and a dimming ratio obtained from one or more path selection information, the path selection circuit selects to turn on a bypass current modulation unit to inject the synthesized signal to the bypass current modulation unit along one path and the bypass current modulation unit controls the light-emitting unit according to the synthesized signal, or selects to inject the synthesized signal to the switch-mode LED driver along another path and the switch-mode LED driver controls the light-emitting unit according to the synthesized signal.

Abstract: An input/output module baffle is adapted to an electronic device. The electronic device includes a motherboard and a casing. The motherboard is located inside the casing and includes a connector module. The input/output module baffle includes a fixing plate, a conductive component and a frame. The fixing plate includes a plurality of retaining clips to clamp the fixing plate on the connector module. The conductive component is located between the fixing plate and the connector module. The frame is located between the fixing plate and the casing. Moreover, a motherboard with the input/output module baffle is also disclosed herein.

Abstract: A visible light communication device includes a light-emitting unit, a switch-mode light-emitting diode (LED) driver, a synthesizing circuit, and a path selection circuit. The switch-mode LED driver provides a driving current for driving the light-emitting unit. The synthesizing circuit synthesizes a data signal and a dimming signal to form a synthesized signal. According to a data frequency and a dimming ratio obtained from one or more path selection information, the path selection circuit selects to turn on a bypass current modulation unit to inject the synthesized signal to the bypass current modulation unit along one path and the bypass current modulation unit controls the light-emitting unit according to the synthesized signal, or selects to inject the synthesized signal to the switch-mode LED driver along another path and the switch-mode LED driver controls the light-emitting unit according to the synthesized signal.

Abstract: An input/output module baffle is adapted to an electronic device. The electronic device includes a motherboard and a casing. The motherboard is located inside the casing and includes a connector module. The input/output module baffle includes a fixing plate, a conductive component and a frame. The fixing plate includes a plurality of retaining clips to clamp the fixing plate on the connector module. The conductive component is located between the fixing plate and the connector module. The frame is located between the fixing plate and the casing. Moreover, a motherboard with the input/output module baffle is also disclosed herein.

Abstract: A fixing structure is suitable for fixing a display panel of an electronic device. The display panel has a panel fitting portion at a side edge of the display panel. The fixing structure includes a front bezel and a rear bracket. The front bezel has a bezel fitting portion to fit with the panel fitting portion. The rear bracket is assembled to the front bezel and has a restraining portion to restrain the motion of the bezel fitting portion relative to the panel fitting portion after the bezel fitting portion fits with the panel fitting portion and the rear bracket is fixed to the front bezel. Besides, an electronic device applied with the above fixing structure and a method for assembling the same are also provided here.

Abstract: A keyboard control circuit adapted to a keyboard device with a plurality of keys is provided. The keyboard control circuit comprises a combination key control unit, a key setting module and a processing module. When at least two keys of the keyboard device and a preset time are inputted, a combination signal of time stamping and sequence of keystrokes related to a function key is generated. The key setting module is used for receiving and transmitting a preset rule to the combination key control unit. When the function key for executing a control function is triggered, the keyboard device transmits a converting signal to the combination key control unit to convert the converting signal to the combination signal of time stamping and sequence of keystrokes and transmits the combination signal of time stamping and sequence of keystrokes to the processing module, and then the processing module executes the control function.

Abstract: A fixing structure is suitable for fixing a display panel of an electronic device. The display panel has a panel fitting portion at a side edge of the display panel. The fixing structure includes a front bezel and a rear bracket. The front bezel has a bezel fitting portion to fit with the panel fitting portion. The rear bracket is assembled to the front bezel and has a restraining portion to restrain the motion of the bezel fitting portion relative to the panel fitting portion after the bezel fitting portion fits with the panel fitting portion and the rear bracket is fixed to the front bezel. Besides, an electronic device applied with the above fixing structure and a method for assembling the same are also provided here.

Abstract: An electronic device and a method for controlling over clocking of CPU are provided. A temperature sensing element is coupled with the CPU and used for sensing the temperature of the CPU. A control circuit is coupled with the temperature sensing element and the CPU used for determining whether the temperature of the CPU is higher than a first threshold temperature. When the temperature of the CPU is higher than the first threshold temperature, the control circuit controls the CPU to enter an idle mode and determines whether the temperature of the CPU is lower than a second threshold temperature. When the temperature of the CPU is lower than the second threshold temperature, the CPU is controlled to return to a normal mode. The first threshold temperature is higher than the second threshold temperature, and the clock rate of the CPU is maintained at same clock rate.

Abstract: A motherboard an electronic device using the same are provided. The motherboard includes a motherboard and a control chip. The processor is adapted to be inserted to a processor base including a plurality of pins. The pins is divided to defined pins and undefined pins. The processor base includes a plurality of electrical contacts. A first part of the electrical contacts are corresponding to the defined pins, and a second part of the electrical contacts are corresponding to the undefined pins. The control chip determines whether to make the motherboard enter an overclocking operation mode according to a control command. When the motherboard is set to be at the overclocking operation mode, the control chip transmits a control signal to the undefined pins of the processor via the second part of the electrical contacts, and then the processor improves operating efficiency.

Abstract: A multi-touch input method of a touch input device is provided, it includes defining a first touch area and a second touch area on the touch input device; generating a first control command when a first touch event is provided; detecting whether a second touch event is provided at the second touch area while the first touch event is kept for a period and generating a second control command when the second touch event is provided; and executing a corresponding function.

Abstract: An electronic device and a method for controlling over clocking of CPU are provided. A temperature sensing element is coupled with the CPU and used for sensing the temperature of the CPU. A control circuit is coupled with the temperature sensing element and the CPU used for determining whether the temperature of the CPU is higher than a first threshold temperature. When the temperature of the CPU is higher than the first threshold temperature, the control circuit controls the CPU to enter an idle mode and determines whether the temperature of the CPU is lower than a second threshold temperature. When the temperature of the CPU is lower than the second threshold temperature, the CPU is controlled to return to a normal mode. The first threshold temperature is higher than the second threshold temperature, and the clock rate of the CPU is maintained at same clock rate.

Abstract: The invention discloses a device information collecting method in a computer system including the following steps: booting a computer system and entering an operating system; executing a collecting application program in the operating system for detecting a plurality of device information and settings in the computer system and storing the device information and settings as a log file and building up a virtual reference computer system according to the log file.

Abstract: A motherboard with overclocking and overvolting functions is provided. The motherboard with an overvolting function includes a specified component, a voltage regulator and a micro-controller. The specified component receives an operating voltage. The voltage regulator generates the operating voltage according to a reference voltage. The micro-controller is electrically connected to an external input device for receiving a control signal issued by the external input device and adjusting the reference voltage according to the control signal.

Abstract: A motherboard with overclocking and overvolting functions is provided. The motherboard with an overvolting function includes a specified component, a voltage regulator and a micro-controller. The specified component receives an operating voltage. The voltage regulator generates the operating voltage according to a reference voltage. The micro-controller is electrically connected to an external input device for receiving a control signal issued by the external input device and adjusting the reference voltage according to the control signal.

Abstract: A motherboard with overclocking and overvolting functions is provided. The motherboard with an overvolting function includes a specified component, a voltage regulator and a micro-controller. The specified component receives an operating voltage. The voltage regulator generates the operating voltage according to a reference voltage. The micro-controller is electrically connected to an external input device for receiving a control signal issued by the external input device and adjusting the reference voltage according to the control signal.

Abstract: A computer system including a first memory unit, a second memory unit and a switch unit is provided. The first memory unit stores a first BIOS. The second memory unit stores a second BIOS. The switch unit has a first configuration and a second configuration. Upon the computer system being started, the switch unit receives an enable signal. When the switch unit is in the first configuration, the enable signal is provided to the first memory unit to start the first basic input/output system. When the switch unit is in the second configuration, the enable signal is provided to the second memory unit to start the second basic input/output system.

Abstract: A multi-phase voltage regulator module connects to a central processing unit and is able to operate in one of a high-load mode and a low-load mode. The multi-phase voltage regulator module comprises: a pulse-width-modulation controller generating a plurality of phase-width-modulation signals; and, a plurality of phase circuits, each of which receives a corresponding one of the phase-width-modulation signals and generates a corresponding output current to the central processing unit; wherein a first portion of the phase circuits are activated when the multi-phase voltage regulator module is operated in the low-load mode at a first time, and, a second portion of the phase circuits are activated when the multi-phase voltage regulator module is operated in the low-load mode at a second time, the first portion being non-identical to the second portion.

Abstract: A dual BIOS program protecting method is provided for protecting a first BIOS program and a second BIOS program of a computer system. Firstly, a flag is switched from a first status to a second status during the refreshing of the first BIOS program. If the first BIOS program is successfully refreshed, the flag is switched from the second status to the first status. If the flag is in the second status when the computer system is booted, a first control signal is generated and the second BIOS program enters a write protection mode according to the first control signal.

Abstract: A computer system including a first memory unit, a second memory unit and a switch unit is provided. The first memory unit stores a first BIOS. The second memory unit stores a second BIOS. The switch unit has a first configuration and a second configuration. Upon the computer system being started, the switch unit receives an enable signal. When the switch unit is in the first configuration, the enable signal is provided to the first memory unit to start the first basic input/output system. When the switch unit is in the second configuration, the enable signal is provided to the second memory unit to start the second basic input/output system.

Abstract: A computer system including a first memory unit, a second memory unit, a switch and a microcontroller is provided. The first memory unit stores a first basic input/output system (BIOS). The microcontroller is coupled to the first memory unit, the second memory unit and the switch. Prior to a starting of the computer system, the microcontroller reads the first BIOS in the first memory unit and stores the first BIOS to the second memory unit when the microcontroller detects that the switch is conducted.