Abstract: An indication circuit indicates a first power supply unit and a second power supply unit working in either a 1+1 or a 2+0. The indication circuit includes a first MCU, a second MCU, a first light-emitting diode, and a second light-emitting diode. When the first MCU and the second MCU determine that the power supply units are working in the first operation mode, the first light-emitting diode and second light-emitting diode are made to flicker synchronously. When it is determined that the power supply units are working in the second operation mode, the diodes are made to flicker asynchronously.

Abstract: A restart system includes a control device and an electronic device. The electronic device includes a motherboard and a PCI Express device. The motherboard includes a control chip, a PCI Express slot and a hot-swap chip. When the motherboard does not identify the PCI Express device electrically coupled to the PCI Express slot, the control device outputs a signal to the control chip. The control chip outputs a first control signal to the hot-swap chip and outputs a second control signal to the PCI Express device. After receiving the first control signal, the hot-swap chip is restarted. In restarting of the hot-swap chip, when the hot-swap chip is powered off, the hot-swap chip does not power the PCI Express device, and when the hot-swap chip is powered on, the hot-swap chip powers the PCI Express device. After receiving the second control signal, the PCI Express device is restarted.

Abstract: Semiconductor devices and methods of forming the same are described. An embodiment is a device including a pad on a substrate. A passivation film is on the substrate and covering at least a portion of the pad. A first conductive feature is on the pad and has a planar top surface, with the first conductive feature having a first height as measured from the pad to the planar top surface of the first conductive feature. A second conductive feature is on the passivation film and has a non-planar top surface, with the second conductive feature having a second height as measured from the passivation film to the non-planar top surface of the second conductive feature.

Abstract: A switch circuit includes a voltage follower module, a comparison module and a switch module coupled to the voltage follower module, the comparison module and a power supply. The voltage follower can receive a first control signal and a second control signal. The comparison module can receive the first control signal and the second control signal. The comparison module compares a voltage of the first control signal and the second control signal with a reference voltage. When the comparison module outputs a first signal to turn on the switch module, the first power supply unit and the second power supply unit work in the first operation mode. When the comparison module outputs a second signal to turn off the switch module, the first power supply unit and the second power supply unit work in the second operation mode.

Abstract: A debugging circuit comprises a debugging interface, a switch unit coupled to the debugging interface, a controller coupled to the switch unit, a platform controller hub (PCH), and a central processing unit (CPU). The PCH and the CPU are coupled to the switch unit. The debugging interface is coupled between the switch unit and a debugging device. The switch unit receives a control signal from the controller, and selectively outputs a first data signal from the PCH or a second data signal from the CPU to the debugging device through the debugging interface according to the control signal.

Abstract: An expansion card includes a peripheral component interconnect express (PCIe) slot, a PCI expansion controller, a PCIe/serial advanced technology attachment (PCIe/SATA) converter, a hard disk drive (HDD) controller, and a storage chip. An edge connector is arranged on a bottom side of the expansion card and includes power pins, ground pins, and signal pins. The power pins are connected to power pins of the PCIe slot, the PCIe expansion controller, the PCIe/SATA converter, the HDD controller, and the storage chip. The signal pins are connected to the PCIe expansion controller. The PCIe expansion controller expands a PCI signal into PCI signals and provides the PCI signals to the PCIe slot and the PCIe/SATA converter. The PCIe/SATA converter converts the PCI signal to SATA signals and provides the SATA signals to the HDD controller. The HDD controller controls the storage chip to read or write data.

Abstract: A package structure includes a first substrate bonded to a second substrate by connecting metal pillars on the first substrate to connectors on the second substrate. A first metal pillar is formed overlying and electrically connected to a metal pad on a first region of the first substrate, and a second metal pillar is formed overlying a passivation layer in a second region of the first substrate. A first solder joint region is formed between metal pillar and the first connector, and a second solder joint region is formed between the second metal pillar and the second connector. The lateral dimension of the first metal pillar is greater than the lateral dimension of the second metal pillar.

Abstract: An acceleration measuring device to offset the limiting factors associated with the maximum acceleration an accelerometer can measure by attaching the device onto a mount system pre-calibrated to a specified angle relative to the horizontal axis of the object on which the system is mounted on.

Abstract: A storage device includes a connector with first to ninth pins, a serial advanced technology attachment (SATA) control chip, a universal serial bus (USB) control chip, and a storage chip. Voltage terminals of the SATA control chip, the USB control chip, and the storage chip are connected to the first pin of the connector. Second, third, fifth, and sixth signal terminals of the SATA control chip are connected to the fifth pin, the sixth pins, the eighth pin, and the ninth pin of the connector, respectively. Output terminals of the SATA control chip and the USB control chip are connected to a signal terminal of the storage chip. Second, third, fifth, sixth, eighth, and ninth signal terminals of the USB control chip are connected to the second pin, the third pin, the fifth pin, the sixth pin, the eighth pin, and the ninth pin of the connector, respectively.

Abstract: A serial advanced technology attachment (SATA) module includes a number of circuit boards and a number of SATA devices. Each of the circuit boards includes an expansion microchip. The expansion microchip includes an input terminal, an output terminal and an expansion terminal. The expansion microchips are electrically connected in series with the input terminal of one expansion microchip connecting to the expansion terminal of another expansion microchip. The input terminal of a front expansion terminal positioned at a first end of the expansion microchips is configured to connect to a SATA controller. Each of the SATA devices is electrically connected to the output terminal of one expansion microchip and configured to transmit data with the SATA controller by the corresponding expansion microchip.

Abstract: A serial advanced technology attachment dual in-line memory module device includes first and second electronic switches, a voltage detecting circuit, a power circuit, and an edge connector. The edge connector includes first to third power pins and first and second notches. The first power pins are connected to an input terminal of the voltage detecting circuit. An output terminal of the voltage detecting circuit is connected to first terminals of the first and second electronic switches. The second power pins are connected to the second terminal of the first electronic switch. The third power pins are connected to the second terminal of the second electronic switch. The third terminals of the first and second electronic switches are connected together and also connected to the power circuit.

Abstract: A serial advanced technology attachment dual in-line memory module (SATA DIMM) device includes a circuit board. A storage chip is arranged on the circuit board and stores a first firmware. A memory is arranged on the circuit board and stores a second firmware. A control chip is arranged on the circuit board and connected to the memory, to read the second firmware from the memory and load the second firmware in the storage chip when the first firmware stored in the storage chip is damaged. The control chip is also connected to the storage chip, to control the storage chip to read or to write data.

Abstract: A serial advanced technology attachment dual in-line memory module (SATA DIMM) device includes a circuit board. A storage chip is arranged on the circuit board and stores a first firmware. A memory is arranged on the circuit board and stores a second firmware. A control chip is arranged on the circuit board and connected to the memory, to read the second firmware from the memory and load the second firmware in the storage chip when the first firmware stored in the storage chip is damaged. The control chip is also connected to the storage chip, to control the storage chip to read or to write data.

Abstract: An expansion card includes a peripheral component interconnect express (PCIe) slot, a PCI expansion controller, a PCIe/serial advanced technology attachment (PCIe/SATA) converter, a hard disk drive (HDD) controller, and a storage chip. An edge connector is arranged on a bottom side of the expansion card and includes power pins, ground pins, and signal pins. The power pins are connected to power pins of the PCIe slot, the PCIe expansion controller, the PCIe/SATA converter, the HDD controller, and the storage chip. The signal pins are connected to the PCIe expansion controller. The PCIe expansion controller expands a PCI signal into PCI signals and provides the PCI signals to the PCIe slot and the PCIe/SATA converter. The PCIe/SATA converter converts the PCI signal to SATA signals and provides the SATA signals to the HDD controller. The HDD controller controls the storage chip to read or write data.

Abstract: A debugging circuit comprises a debugging interface, a switch unit coupled to the debugging interface, a controller coupled to the switch unit, a platform controller hub (PCH), and a central processing unit (CPU). The PCH and the CPU are coupled to the switch unit. The debugging interface is coupled between the switch unit and a debugging device. The switch unit receives a control signal from the controller, and selectively outputs a first data signal from the PCH or a second data signal from the CPU to the debugging device through the debugging interface according to the control signal.

Abstract: A storage device includes a connector with first to ninth pins, a serial advanced technology attachment (SATA) control chip, a universal serial bus (USB) control chip, and a storage chip. Voltage terminals of the SATA control chip, the USB control chip, and the storage chip are connected to the first pin of the connector. First to fourth signal terminals of the SATA control chip are connected to the fifth pin, the sixth pins, the eighth pin, and the ninth pin of the connector, respectively. Output terminals of the SATA control chip and the USB control chip are connected to a signal terminal of the storage chip. First to sixth signal terminals of the USB control chip are connected to the second pin, the third pin, the fifth pin, the sixth pin, the eighth pin, and the ninth pin of the connector, respectively.

Abstract: A computer includes a number of hard disk drives (HDDs), a number of Serial Advanced Technology Attachment (SATA) connectors correspondingly connected to the HDDs, and a number of jumpers. Each SATA connector includes a power supply pin, a spin-up pin, a ground pin, and a pin base with first to third pins. The first to the third pins are respectively connected to the power supply pin, the spin-up pin, and the ground pin. The second pin of each SATA connector is connected to either the first pin or the third pin by a corresponding jumper, thereby the corresponding HDD starts up with the computer or starts up at a preset time after the computer has started up.

Abstract: An expansion card includes a control chip, memory storage chips, and solid state drive (SSD) storage chips connected to the control chip. A first edge connector is set on a bottom edge of the expansion card and engages in a memory slot. The first edge connector includes first power pins connected to the memory storage chips, the SSD storage chips, and the control chip, first ground pins grounded, and first signal pins connected to the memory storage chips. An extending board is extended from a side edge of the expansion card and coplanar with the circuit board. A second edge connector is arranged on the extending board and connected to a storage device interface. The second edge connector includes second ground pins grounded and second signal pins connected to the control chip.

Abstract: A system for monitoring a number of hard disk drives (HDDs) arranged in a number of servers of a data center. The system includes a number of baseboard management controllers (BMCs) configured to obtain a state of each HDD arranged in a server and output status information corresponding to the state of each HDD, a control module, and a display module. The control module includes an address storage unit storing a number of internet protocol (IP) addresses corresponding to the BMCs, a request unit configured to receive a request of obtaining the status information of each HDD coupled to each BMC, and an analyzing unit configured to obtain the status information outputted by the BMC and analyze the status information to obtain the state of each HDD. The display module is configured to display the state of each HDD.

Abstract: A voltage adjustment circuit for a storage medium includes a storage medium interface, a storage medium control chip, and a switch module. When the storage medium is read or written to by the storage medium control chip, the storage medium control chip transmits a pair of differential signals to the storage medium interface so that the switch module can control a power supply to power the storage medium. And the switch module will control the power supply not to power the storage medium when the storage medium control chip does not operate to read or write the storage medium.