Abstract: A method for manufacturing a memory device is provided. The method includes etching an opening in a first dielectric layer; forming a bottom electrode, a resistance switching element, and a top electrode in the opening in the first dielectric layer; forming a second dielectric layer over the bottom electrode, the resistance switching element, and the top electrode; and forming an electrode via connected to a top surface of the top electrode in the second dielectric layer.

Abstract: A motor drive system includes a rectifier circuit, a controller, a modulator circuit and a direct current (DC) motor. The rectifier circuit is configured to convert an alternating current (AC) voltage to a DC voltage. The controller is configured to output a control signal. The modulator circuit includes a pulse generation module, a feedback determination module, a pulse modulation module and a driving module, and is configured to generate a modulated DC driving signal based on the DC voltage and the control signal generated by the rectifier circuit and the controller. The DC motor is configured to operate in accordance with the modulated DC driving signal generated by the modulator circuit.

Abstract: A motor drive system includes a rectifier circuit, a controller, a modulator circuit and a direct current (DC) motor. The rectifier circuit is configured to convert an alternating current (AC) voltage to a DC voltage. The controller is configured to output a control signal. The modulator circuit includes a pulse generation module, a feedback determination module, a pulse modulation module and a driving module, and is configured to generate a modulated DC driving signal based on the DC voltage and the control signal generated by the rectifier circuit and the controller. The DC motor is configured to operate in accordance with the modulated DC driving signal generated by the modulator circuit.

Abstract: In a method for managing serial attached small computer system interface (SAS) expanders using a host computer, the host computer connects to an SAS expander storage system through a redundant array of independent disks (RAID) card. The SAS expander storage system includes a first switch device, a first SAS expander, a second SAS expander, a second switch, a flash memory, and hard disk drives. The method controls the first switch device to switch the RAID card from the first SAS expander to the second SAS expander when the first SAS expander fails to function, controls the second switch device to switch the flash memory from the first SAS expander to the second SAS expander, and controls the first switch device to connect each of the hard disk drives to the second SAS expander.

Abstract: An electronic device includes a fan and a control device for controlling the fan. The control device includes a control unit, a first signal generation unit and a second signal generation unit each connected to the fan. The control unit has a first signal output terminal and a second signal output terminal. In use, the control unit first enables the first signal output terminal to generate a speed adjusting signal to control the fan. The control unit further detects whether a speed measurement signal is received from the fan, and enables the second signal output terminal to generate the speed adjusting signal to control the fan, if no speed measurement signal is received.

Abstract: Provided is a method for fabricating a semiconductor device, which includes the following steps. A substrate having a plurality of pillars is provided, wherein a plurality of trenches are formed around each pillar, and a doped region is disposed at a bottom of each pillar. An insulation layer is formed below each doped region. In addition, a gate and a gate dielectric are formed on the sidewalls of each pillar.

Abstract: In a method for managing redundant arrays of independent disks (RAID) cards and a server for executing the method, the server calculates a theoretical percentage of a load of each RAID card according to a number of the RAID cards, and loads an actual percentage of the load of each RAID card through a multi input output (MIO) interface, and detects peripheral component interconnect-express (PCI-E) bandwidth of each RAID card. When the load of each RAID card is unbalanced or the PCI-E bandwidth of the RAID card is saturated, the server transfers the load from a RAID card having a greater actual percentage of the load into a RAID card having a less actual percentage of the load, and transfers the load from a RAID card whose PCI-E bandwidth is saturated into a RAID card whose PCI-E bandwidth is unsaturated according to differential signals through the MIO interface.

Abstract: In a method for managing redundant array of independent disk (RAID) cards, physical layer (PHY) chips of the RAID card is detected by a serial port. Information of a malfunctioning PHY chip and a standby PHY chip is read and stored in a firmware of a flash erasable programmable read only memory (EPROM) of the RAID card. An address of the malfunctioning PHY chip is set as an address of the standby PHY chip, and a hard disk electronically connected to the malfunctioning PHY chip is connected to the standby PHY chip. A new serial attached small computer system interface (SAS) address is obtained by amending an original SAS address according to the number and address of the standby PHY chip, and a new firmware is created in the flash EPROM according to the new SAS address.

Abstract: A control system for utilizing a memory of a video card of an electronic device is executed by a control unit of the electronic device. The control system includes storage space dividing module and a storage control module. The storage space dividing module divides the memory of the video to a first storage space and a second storage space according to a division proportion, the first storage space is defined to store graphics data temporarily and the second storage space is defined to store particular data. The storage control module determines a size of the second storage space, and obtains the particular data a size less than the size of the second storage space from the storage unit, and stores the particular data into the second storage space.

Abstract: In a method for controlling a SAS expander to electronically connect to a RAID card in an electronic device, a plurality of different types for RAID cards, and configuration parameters of the SAS expander corresponding to each type of the RAID cards are preset. Information of the RAID card is read if the SAS expander is electronically connected the RAID card. The method further determines whether the RAID card matches the SAS expander. If the RAID card does not match the SAS expander, the configuration parameters of the SAS expander corresponding to the RAID card is read, and the read configuration parameters and the read information of the RAID card are written into a firmware file in the storage system. The method further stores the firmware file into a flash memory of the SAS expander.

Abstract: A semiconductor memory device includes a substrate having thereon a memory array region and a periphery circuit region. A first dielectric layer covers the memory array region and the periphery circuit region on the substrate. A second dielectric layer covers the memory array region and the periphery circuit region on the first dielectric layer. At least a capacitor structure is provided in the memory array region. The capacitor structure includes an electrode material layer embedded in the second dielectric layer. The semiconductor memory device further includes a contact structure comprising the electrode material layer.

Abstract: In a method for adjusting SAS addresses of SAS expanders in an SAS storage system, an initial SAS address of a specified SAS expander is read when the specified SAS expander is first connected to a processor of the SAS storage system. SAS addresses of other SAS expanders that are already connected to the processor are obtained. The initial SAS address of the specified SAS expander is compared with the obtained SAS addresses. When the initial SAS address is identical to one of the obtained SAS addresses, the initial SAS address is adjusted according to a predefined address number to generate an updated SAS address of the specified SAS expander. The initial SAS address of the specified SAS expander is reset according to the updated SAS address.

Abstract: A serial attached Small Computer System Interface (SAS) expander comprises a SAS expander chip which comprises a first debug port and a second debug port, a controlling chip which is in communication with the first debug port through a first serial port, in communication with the second debug port through a second serial port, and in communication with a host computer through a third serial port, once the controlling chip controls the third serial port to receive a debug command from the host computer, the controlling chip sends the received debug command to the first debug port or the second debug port according to a reference table.

Abstract: In a method of processing an abnormal digital/analog convertor (DAC) of a video card, the video card comprising a first DAC and a second DAC, the video card connecting to an output interface. The method controls the video card to use the first DAC for converting data to the output interface through a first switch and at least one second switches in the video card. The method further detects whether the first DAC works normally. When the first DAC is determined to work abnormally, the method switches the first DAC to the second DAC for converting the data to the output interface through the first switch and the at least one second switches.

Abstract: An energy-saving circuit for a motherboard includes a connecting circuit, a control circuit, a power circuit, an audio circuit, and a south bridge circuit. The connecting circuit can be connected to a number of audio devices, or may be unconnected to an audio device. A first detecting signal to the control circuit is output by the connecting circuit when an audio device is connected, and a second detecting signal is output by the connecting circuit when no audio device is connected. The power circuit powers the audio circuit according to the first control signal, and provides no power according to the second control signal. The south bridge chip allows audio communication for the first control signal, and prevents audio communication for the second control signal.

Abstract: A detection system and method are provided. The detection system connects to a connector, and the connector includes a plurality of detection pins. The detection system includes a pin detection circuit and a detection device. The pin detection circuit connects to the plurality of detection pins and obtains output voltages of the detection pins. The pin detection circuit issues a determination voltage signal corresponding to the output voltages of the detection pins. The detection device determines whether the determination voltage signal is a low-level signal and issues a command when the determination voltage signal is a low-level signal.

Abstract: A container data center moving system employed to a container data center during transportation includes a photo processing module, a calculating module, a determining module and a control module. The photo processing module obtains moving state of the container data center and other moving objects on a road according to a photo of the road. The present moving state includes movement directions, movement speeds and movement accelerations. The calculating module determines whether the container data center is likely to collide with any moving object under their present moving states and evaluates a time length to a collision likely happened between the container data center and any moving object. The determining module determines whether the time length is less than a preset value. The control module stores date of the container data center in running to a data backup module if the time length is less than the preset value.

Abstract: A method for sharing graphics processing unit (GPU) resources between a first server and a second server, each of the server comprising a video adapter, the adapter comprising a GPU. The second server receives a IP address of the first server, when the first server has a load rate less than the predetermined value and the second server has a load rate greater than the predetermined value; and the second server packages pending image data and transmitting the packaged image data to the first server for processing.

Abstract: A data center system and a method for dynamically updating configuration information of the data center system are provided. The data center system includes a storage compartment, a storage device, and a control device. The storage compartment houses a plurality of single data center units SDCUs. The storage device stores configuration information of the data center system and configuration parameters of each of the SDCUs housed in the storage compartment. When a new SDCU is added to the data center system, the control device receives the configuration parameters of the new SDCU, and stores the configuration parameters of the new SDCU. The control device further updates the stored configuration information of the data center system using the configuration parameters of all of the SDCUs employed in the data center system, and runs the data center system based on the updated configuration information.

Abstract: Serial Attached SCSI (SAS) expander includes an exposed SAS interface connector, a microcontroller unit (MCU), a smart port, and an SAS expander chip. The SAS interface connector is coupled to a host personal computer (PC) to receive commands sent from the host PC. When a fault occurs in the SAS expander or a connected storage device, the MCU enables the smart port in response to a first control command sent from the host PC, reads status information from the SAS expander chip through the smart port in response to a status reading command sent from the host PC, and sends read status information back to the host PC for analyzing. MCU obtains detailed fault information from the SAS expander chip through the smart port in response to a detailed fault information obtaining command sent from the host PC and sends the obtained detailed fault information back to the host PC.