Abstract: A method and apparatus for configuring an ARM safe firmware applied to an ARM server. The method includes: invoking the ARM safe firmware of the ARM server, and configuring a space register for a PCI link bridge and PCI devices of hierarchies of a quantity N under the PCI link bridge, wherein the ARM safe firmware is a processor firmware of the ARM server, and N is a positive integer greater than or equal to 3; and inside the ARM safe firmware, adding AER error-identification data of all of CPUs of the ARM server.

Abstract: The present disclosure provides a mechanics calculation method and apparatus for a pipeline. The method includes: generating a pipe-beam model formed by connecting a plurality of pipe-beam elements; generating a target shell component mesh model formed by joining a plurality of shell elements; replacing, with the target shell component mesh model, a pipe-beam element at a corresponding position in the pipe-beam model to form a hybrid model; performing finite element calculation on the hybrid model to obtain a displacement of each node of the hybrid model; calculating nodal internal forces of the pipe-beam elements based on nodal displacements of the pipe-beam elements; calculating stresses of the respective shell elements based on mesh nodal displacements of the target shell component mesh model; and calculating stresses of the pipe-beam elements based on the nodal internal forces of the pipe-beam elements.

Abstract: The present application provides a method and apparatus for configuring an ARM safe firmware applied to an ARM server. The method includes: invoking the ARM safe firmware of the ARM server, and configuring a space register for a PCI link bridge and PCI devices of hierarchies of a quantity N under the PCI link bridge, wherein the ARM safe firmware is a processor firmware of the ARM server, and N is a positive integer greater than or equal to 3; and inside the ARM safe firmware, adding AER error-identification data of all of CPUs of the ARM server. The embodiments of the present application may effectively solve the problem of crashing in restarting under a DPU virtual-cloud-disk system or in restarting of the PCI devices under a DPU virtual-cloud-disk system.

Abstract: A server booting control method and apparatus, and a server are provided by embodiments of the present application. The server booting control method includes: determining N first signals of a motherboard in a server booting process, wherein N is a natural number greater than 1; determining a plurality of pieces of motherboard configuration information by employing the N first signals in response to N being greater than or equal to a first preset threshold; determining target motherboard configuration information that is matched with a target customer requirement from the plurality of pieces of motherboard configuration information, wherein the target customer requirement is configured for representing a configuration requirement of a target customer for the motherboard; and loading basic input/output system (BIOS) parameters based on the target motherboard configuration information, to configure server operation according to the BIOS parameters.

Abstract: The embodiments of the present application relate to the technical field of computer systems and storage. Provided are a memory capacity adjustment method and apparatus, and a server, an electronic device and a storage medium. The method is applied to a server, wherein the server is provided with at least one central processing unit; the central processing unit is provided with a plurality of memory slots; the memory slots are used for allowing memory banks to be installed and connected therein; the plurality of memory slots are connected to a communication protocol interface of a baseboard management controller by means of at least one expansion chip; the plurality of memory slots and the expansion chip have different protocol addresses; and the plurality of memory slots correspond to pins of the expansion chip on a one-to-one basis.

Abstract: A server booting method and apparatus, a storage medium, and an electronic device are provided. The server booting method includes: in response to determining that execution has proceeded to a peripheral component interconnect enumeration stage, detecting in-place information of network device interfaces in a network device interface group; disabling preboot execution environment control functions of a plurality of reference network devices correspondingly connected to a plurality of reference network device interfaces in the network device interface group; screening a target network device from the plurality of reference network devices according to reference device types of the reference network devices correspondingly connected to the plurality of reference network device interfaces; and enabling the preboot execution environment control function of the target network device.

Abstract: Provided are a memory slot control method and apparatus, an electronic device, and a storage medium, which relate to the technical field of data processing. The method includes: in response to the startup of a server, acquiring, by a basic input output system, a set number of memory slots of a processor, in response to the set member of the memory slots failing in reaching a total capacity of memory slots, determining a target memory slot on the basis of a ratio of the set number of memory slots to the total capacity of memory slots, and controlling the target memory slot to be disabled and isolated, so as to achieve normal startup of the server.

Abstract: A method and apparatus for adjusting a memory capacity, an electronic device, and a storage medium are provided by embodiments of the present application. The method includes: reading serial presence detect (SPD) data of a target memory from a basic input output system (BIOS) image of a BIOS, wherein the SPD data is reserved and the target memory is a physical memory without an SPD controller; and adjusting a memory capacity of the target memory based on the SPD data of the target memory. In the embodiments of the present application, dynamic adjustment on the memory capacity without SPD controllers may be achieved and dynamic adjustment on the memory capacity of an overall server without manually disassembling the memory modules of the server may be met, actual business needs of customers are met, the service life of memories is prolonged, and operation and maintenance costs are reduced.

Abstract: Provided is a 600 MPa grade non-oriented electrical steel sheet with excellent magnetic properties, comprising the following chemical elements in mass percentage: 0<C?0.0035%; Si: 2.0-3.5%; Mn: 0.4-1.2%; P: 0.03-0.2%; Al: 0.4-2.0%; and the balance being Fe and unavoidable impurities. Also provided is a manufacturing method for the 600 MPa grade non-oriented electrical steel as described above, including the following steps: (1) converter smelting, RH refining and casting; (2) hot rolling; (3) normalizing; (4) cold rolling; (5) continuous annealing; and (6) applying an insulation coating to obtain a finished non-oriented electrical steel sheet.

Abstract: The present invention discloses a Cu-containing non-oriented electrical steel plate having high cleanliness, comprising the following chemical elements in percentage by mass: 0<C?0.003%; Si: 0.1-2.0%; Mn: 0.1-0.55%; S: 0-0.004%; Cu: 0.003-0.2%; Al: 0.1-1.0%; and the balance being Fe and inevitable impurities. In addition, the present invention further discloses a continuous annealing process for the Cu-containing non-oriented electrical steel plate having high cleanliness. Moreover, the present invention further discloses a manufacturing method for Cu-containing non-oriented electrical steel plate having high cleanliness, including the steps of: smelting and casting; hot rolling; normalizing; cold rolling; performing the continuous annealing process; and applying an insulation coating to obtain a finished non-oriented electrical steel plate. The Cu-containing non-oriented electrical steel plate having high-cleanliness is high in cleanliness and excellent in magnetic performance.

Abstract: A manufacturing method for low-magnetostrictive oriented silicon steel is provided, wherein the oriented silicon steel comprises a silicon steel substrate and an insulating coating on the surface of the silicon steel substrate. The manufacturing method comprises: performing single-sided laser etching on the silicon steel substrate, wherein the side of the silicon steel substrate, on which single-sided laser etching is performed, is a first surface, and the side opposite to the first surface is a second surface; determining a deflection difference between the first surface and the second surface based on the power of the laser etching, and determining a difference in the amount of the insulating coatings on the first surface and the second surface based on the deflection difference; and forming insulating coatings on the first surface and the second surface.

Abstract: The present invention discloses a Cu-containing non-oriented electrical steel plate having high cleanliness, comprising the following chemical elements in percentage by mass: 0<C?0.003%; Si: 0.1-2.0%; Mn: 0.1-0.55%; S: 0-0.004%; Cu: 0.003-0.2%; Al: 0.1-1.0%; and the balance being Fe and inevitable impurities. In addition, the present invention further discloses a continuous annealing process for the Cu-containing non-oriented electrical steel plate having high cleanliness. Moreover, the present invention further discloses a manufacturing method for Cu-containing non-oriented electrical steel plate having high cleanliness, including the steps of: smelting and casting; hot rolling; normalizing; cold rolling; performing the continuous annealing process; and applying an insulation coating to obtain a finished non-oriented electrical steel plate. The Cu-containing non-oriented electrical steel plate having high-cleanliness is high in cleanliness and excellent in magnetic performance.

Abstract: The present invention discloses a non-oriented electrical steel plate, comprising the following chemical elements in percentage by mass: 0<C?0.003%; Si: 1.6-3.4%; Mn: 0.1-1.2%; S?0.003%; Al: 0.1-3.0%; Sn: 0.005-0.2%; Ca: 0.0005-0.01%; O?0.003%; N?0.003%; and the balance being Fe and inevitable impurities. In addition, the present invention further discloses a manufacturing method for the above non-oriented electrical steel plate, including the steps of: smelting and casting; hot rolling; intermediate annealing; cold rolling; continuous annealing; and applying an insulation coating to obtain a finished non-oriented electrical steel plate. The non-oriented electrical steel plate is excellent in magnetic property.

Abstract: Disclosed is a manufacturing method for a high silicon grain oriented electrical steel sheet, the silicon content of the high silicon grain oriented electrical steel is greater than 4 wt %, comprising the steps of: (1) performing decarburization annealing of a cold-rolled steel plate; (2) allowing high silicon alloy particles in a completely solid state to collide at a high speed with the surface of the decarburization annealed steel plate to be sprayed, thus forming a high silicon alloy coating on the surface of the steel plate to be sprayed; (3) coating a release agent and drying; and (4) annealing. The manufacturing method for the high silicon grain oriented electrical steel sheet of the present invention is inexpensive, and, the high silicon grain oriented electrical steel sheet produced is of stable quality and is provided with great magnetic performance.

Abstract: A balanced vibration system including a magnetic circuit unit, a vibration unit and a casing. The magnetic circuit unit and the vibration unit are inside the casing. The vibration unit includes a balanced iron core and a vibrating diaphragm; the balanced iron core is movably connected with the casing, the vibrating diaphragm is fixed on the casing, and the balanced iron core drives the vibrating diaphragm; the magnetic circuit unit includes a magnetic circuit coil and magnet groups, the magnetic circuit coil is sleeved on the balanced iron core, and the two magnet groups are respectively located at ends of the balanced iron core along an axial direction; each magnet group includes magnets which are arranged oppositely at both sides of the balanced iron core; when the magnetic circuit coil is ON, magnetic field forces applied by the two magnet groups to the balanced iron core are same in direction.

Abstract: Provided is a 600 MPa grade non-oriented electrical steel sheet with excellent magnetic properties, comprising the following chemical elements in mass percentage: 0<C?0.0035%; Si: 2.0-3.5%; Mn: 0.4-1.2%; P: 0.03-0.2%; Al: 0.4-2.0%; and the balance being Fe and unavoidable impurities. Also provided is a manufacturing method for the 600 MPa grade non-oriented electrical steel as described above, including the following steps: (1) converter smelting, RH refining and casting; (2) hot rolling; (3) normalizing; (4) cold rolling; (5) continuous annealing; and (6) applying an insulation coating to obtain a finished non-oriented electrical steel sheet.

Abstract: Disclosed is a high-magnetic-induction oriented silicon steel, wherein the chemical elements thereof are, in mass percentage: Si: 2.0-4.0%; C: 0.03-0.07%; Al: 0.015-0.035%; N: 0.003-0.010%; Nb: 0.0010-0.0500%, the balance being Fe and inevitable impurities. The manufacturing method for the high-magnetic-induction oriented silicon steel includes the steps of: (1) smelting and casting; (2) heating a slab; (3) hot rolling; (4) cold rolling; (5) decarbonizing and annealing; (6) nitriding treatment; (7) applying an MgO coating; (8) high temperature annealing; and (9) applying an insulating coating; wherein a high-magnetic-induction oriented silicon steel is obtained by the manufacturing method, having an average primary grain size of 14-22 ?m and a primary grain size variation coefficient of higher than 1.

Abstract: Disclosed are a non-oriented electrical steel sheet with excellent magnetic properties and a manufacturing method thereof, wherein the mass percentage of the chemical components thereof are: C: 0-0.005%; Si: 2.1-3.2%, Mn: 0.2-1.0%, P: 0-0.2%, Al: 0.2-1.6%, N: 0-0.005%, Ti: 0-0.005%, Cu: 0-0.2%, and the balance of Fe and inevitable impurities; and at the same time, (the S content for forming MnS+the S content for forming CuxS)/the S content in the steel is required to be less than or equal to 0.2. The process for manufacturing the non-oriented electrical steel sheet of the present invention is simple and convenient, the chemical components of the steel are easy to control, the manufacturing process is stable, and the technical requirements are easy to realize.