Abstract: A method for testing indicator light and an electronic device are provided. The method comprising: receiving a surveillance video of an indicator light; determining a target location of the indicator light in each frame image of the surveillance video according to a template image, and the template image comprising location mark of the indicator light; obtaining image information of the indicator light at the target location according to the location mark; determining a flashing frequency and a duty cycle of the indicator light according to the image information; determining a working status of the indicator light according to the flashing frequency and the duty cycle. The present application is able to use a camera in any position to monitor the working status of the indicator light from any angle, and locate multiple irregular position indicator light in advance before testing the indicator light, thereby improving a testing efficiency.

Abstract: The present disclosure provides a three-dimensional NAND memory device, comprising a NAND string including a memory cell to be inhibited to program, a word line driver, and a controller configured to control the word line driver to perform a programming operation on the memory cell controlled by a selected word line of a plurality of word lines including a first unselected word line adjacent to the selected word line, a first plurality of unselected word lines adjacent to the first unselected word line, and a second plurality of unselected word lines adjacent to the first plurality of unselected word lines. The programming operation includes applying a programming voltage signal to the selected word line; applying a first pass voltage to the first plurality of unselected word lines; and applying a second pass voltage to the second plurality of unselected word lines, the first pass voltage is different from the second pass voltage.

Abstract: A method for setting a boot disk of a HBA card comprises acquires a physical layer port number corresponding to a slot of a target hard disk. A first identifier for the physical layer port number in a BIOS configuration page in the HBA card is configured. A second identifier for the target hard disk in the BIOS configuration page is configured. The second identifier is written into boot device items of the BIOS configuration page for fixing the target hard disk as a boot disk of the HBA card. The HBA card fails to identify other hard disk as the boot disk under any conditions. Drive letters of the HBA card and the rule of distributing the drive letters are unchanged, and a stability of a system is maintained. An apparatus and a computer readable storage medium applying the method are also disclosed.

Abstract: Disclosed in the present invention are a hard disk pluggable method, a hard disk pluggable system, and a server. The hard disk pluggable includes determining whether the hard disk rack is in a first preset state and the hard disk rack is in a second preset state; controlling the execution unit to perform a second hot plug operation on the first hard disks of the hard disk rack and a second plug operation on the second hard disks of the spare hard disk rack based on the first record file and the second record file to restore the hard disk rack to the first preset state and the spare hard disk rack to the second preset state if the hard disk rack is not in the first preset state and/or the spare hard disk rack is not in the second preset state.

Abstract: A server testing method applied to a testing platform is provided. The testing platform is communicatively connected to a server, the server includes a plurality of processing units and a plurality of switches, the plurality of processing units is interconnected to the plurality of switches according to a topological structure. The server testing method includes obtaining an updated topological structure, by updating the topological structure via updating firmware of the plurality of switches based on a target firmware upgrade package; and generating a test result by controlling the server to perform a target test task corresponding to the updated topology structure. The present application further provides a testing platform, a testing device, and an external storage medium.

Abstract: The present application provides a server testing system. The server testing system includes an electronic device being connected to a touch screen configured to display a test item menu bar and being connected to a server through a universal serial bus (USB) port and I2C and UART ports. The electronic device is configured to generate configuration parameters for the server in response to a selection operation of a user to the test item menu bar; obtain a modified test script by configuring a test script according to the configuration parameters; send the modified test script to the server through the USB port; generate a test result by controlling the server to execute the modified test script; and send the test result to the touch screen for display and save the test result to external storage device.

Abstract: A cable enclosure system for cables within the communication and power industries. The system can clamp and support a wide range of cables with excellent clamping force and can replace the combination products of cable fixing clamps and rubber variable-diameter sleeves currently on the market.

Abstract: A device and a method for automatically burning firmware are provided. The device includes a first communication unit, a second communication unit, and a processing unit. The processing unit is connected with the first communication unit and the second communication unit. The first communication unit establishes a communication connection with the first electronic device and receives a to-be-burned firmware from the first electronic device. The second communication unit establishes a wired communication with a PCIe Switch. The processing unit obtains the to-be-burned firmware received by the first communication unit and burns the to-be-burned firmware to the PCIe Switch through the second communication unit.

Abstract: The present disclosure relates to a testing technology field, in particular, relates to a method for testing stability and an electronic device. The method includes: in response to a testing start operation instruction triggered by a user, controlling a relay of a testing circuit of the server switch to perform a power-off operation and a power-on operation; after completing the power-off operation and the power-on operation by the relay, sending a testing instruction to the server switch; in response to the testing instruction, receiving testing data returned by the server switch, and executing a testing task according to the testing data, and obtaining a testing result. The present disclosure is able to achieve independent and out of band stability testing of server switches, greatly saving labor and time costs, and improving testing efficiency.

Abstract: A test method based on a data switch is provided. In the method, a configuration instruction sent from the upper computer is received, and the configuration instruction comprises a direction parameter of data flow and a rate parameter, the data switch is configurated according to the direction parameter of data flow and the rate parameter, and a test based on the configured data switch is performed. The method can not only realize rate conversion of data transmission between the communication devices, but also improve convenience and flexibility of port configuration.

Abstract: Examples of the present application provide a three-dimensional memory and manufacturing method thereof, and a memory system. The three-dimensional memory comprises: a stack structure comprising alternating stacked gate layers and dielectric layers; a plurality of channel columns penetrating the stack structure in a first direction and comprising: a barrier layer, a storage layer, a tunneling layer, and a channel layer arranged in sequence; and a plurality of isolation structures located between the dielectric layers and the tunneling layer in a second direction perpendicular to the first direction; wherein the isolation structures penetrating at least a portion of the storage layer in the second direction.

Abstract: A version upgrade method includes receiving from a user a to-be-upgraded service cluster, a target version, and an upgrade manner, and upgrading, based on the upgrade manner selected by the user, the to-be-upgraded service cluster to the target version. In addition, in the upgrade manner, the service cluster upgrade process is divided into a plurality of phases, and version baselines for scale-out and scale-in in the phases are controlled.

Abstract: A method for adjusting system drive letters comprises acquires a system drive letter of an action hard disk in response to the identified action hard disk. If a plugging position of the action hard disk is the extension slot, the slot value corresponding to the action hard disk is acquired. The system drive letter is changed to a slot drive letter based on the slot value. If the system drive letter is shifted, the system drive letter is adjusted to be the slot drive letter for reducing the condition of failing to search or call the files in the action hard disk based on the original system drive letter. A convenience of searching or calling the files in the action hard disk is improved. An electronic device and a computer readable storage medium applying the method are also disclosed.

Abstract: Speaker module housing and speaker module, the speaker module housing includes front shell with accommodating cavity and back cover fixed to front shell and covering accommodating cavity. Front shell has gate region for injection molding and fixed region opposite to gate region and away from gate region. Thickness of part of front shell between gate region and fixed region is smaller than thickness of fixed region. Speaker module housing further includes plastic structure fixed in accommodating cavity. Plastic structure and front shell are integrally injection-molded, and plastic structure is located in gate region and/or fixed region. Plastic structure is arranged in gate region and/or fixed region of front shell, so that part of front shell located in gate region and fixed region has sufficient plastic thickness, which extends effective holding time of shrinkage position of front shell and reduce risk of shrinkage in fixed region of front shell.

Abstract: A modular valve system includes a modular valve body having an inlet, an outlet, a through-hole, and a fluid flow path between the inlet and the outlet. The modular valve body is used to assemble any one of a pressure regulating valve, a slam-shut valve, or a flow control valve, and the through-hole is configured to receive a component of any one of the pressure regulating valve, the slam-shut valve, and the flow control valve.

Abstract: A method for locating a hard disk applied in a server which governs many hard disks including some making use of one HD slot by an expander customizes the SCSI Enclosure Services (SES) custom page of an expander of a JBOD device, and obtains and stores information of the JBOD device through the expander. The server further obtains information of a hard disk to be located, and obtains information of the JBOD device hosting the hard disk to be located according to the information of the hard disk to be located.

Abstract: A coreless planar coil and a power transformer. The coreless planar coil includes a coil body arranged in a plane and configured to produce an alternating magnetic field for delivering signal or power; and a first metal ring arranged around the coil body in the plane and configured to produce a first magnetic field having a direction opposite to the alternating magnetic field produced by the coil body.

Abstract: A method of data clearing of a hard disk comprises search a last target logic block of a target hard disk according to a predetermined sequence. Stored data in the target logic block is read for determining whether the stored data includes disk array information. The stored data of the target logic block is cleared while the stored data includes the disk array information. By accurately clearing minimum data, a data clearing process of the target hard disk is completed. By comparing with the full disk format manner, an effective of data clearing is improved. An apparatus and a computer readable storage medium applying the method are also disclosed.

Abstract: A method of data clearing of a hard disk comprises search a last target logic block of a target hard disk according to a predetermined sequence. Stored data in the target logic block is read for determining whether the stored data includes disk array information. The stored data of the target logic block is cleared while the stored data includes the disk array information. By accurately clearing minimum data, a data clearing process of the target hard disk is completed. By comparing with the full disk format manner, an effective of data clearing is improved. An apparatus and a computer readable storage medium applying the method are also disclosed.

Abstract: A method for firmware burning comprises: configuring a RPM SPEC file based on attribute information of a firmware; copying the RPM SPEC file to a first directory of a RPM software directory, and copying a burning tool, and a firmware image file to a second directory of the RPM software directory; generating a firmware installation package based on the first directory, the second directory and a preset RPM product command and installing the firmware installation package based on a preset RPM installation command to burn the firmware. The method can achieve the effect of installation-on-installation burning and avoid the problem of firmware burning failure caused by human misuse of relevant burning documents. An electronic device and a non-transitory storage are also disclosed.