X86 is a typical CISC, with a rich instruction set, unequal instructions, good at performing complex tasks, and more emphasis on serial performance. ARM is a typical RISC, the instruction set is streamlined, but the instruction length is the same, which improves the processing efficiency, but encounters Complex instructions require more simple instructions to build complex tasks. ARM is used to be a special machine, mainframe; X86 cost-effective, cheap, become the mainstream of the home, can also be used for non-core business. Parallel processing power, ARM has a certain advantage with high efficiency and high concurrency performance; X86 is good at executing complex instructions, and in pure serial tasks, compared to ARM can gain advantages. The main thing is that the internal instructions of X86 and ARM are different, it is impossible to execute the same program, and horizontal comparison cannot be done at all. When you touch the BIOS, you need to have some knowledge of the PC architecture. Most of the current PC architectures are Intel's X86 architecture, and it seems that Intel's X86 architecture has long been the status of INTEL. Not much nonsense, the X86 architecture makes a brief introduction: Of course, this architecture diagram is not all that is the case. According to different motherboards, platforms, the architecture is slightly different. For example, many motherboards have integrated the Northbridge into the CPU and integrated the Southbridge into the PCH, but the general The framework is still the case. Let's take a look at each of the contents of this architecture diagram. 1: CPU, nouns that are familiar to everyone, the central processor, the core brain of the computer. 2: North Bridge Chipset: The North Bridge is a chip on the motherboard of the computer. It is located at the side of the CPU socket and acts as a connection. North Bridge is one of two large-scale chips for the PC motherboard chipset. Northbridge is used to handle high-speed signals, typically handling CPU (processor), RAM (memory), AGP ports, or communication between PCI Express and Southbridge. Due to the large amount of data processing, the North Bridge is usually equipped with a heat sink or a cooling fan. At present, many motherboards have integrated the North Bridge chip into the CPU, but the basic functions are still there. 3: South Bridge (South Bridge) is an important part of the motherboard chipset, generally located on the motherboard below the CPU slot, near the PCI slot, this layout is considering the I / O connected to it There are more buses, and it is better to route from the processor. Mainly as the communication between the I / O bus, generally connected to low-speed devices, such as USB, LAN, keyboard controller, mouse and so on. Similarly, many Southbridge chips are currently integrated. 4: Memory is one of the important components in the computer, it is a bridge to communicate with the CPU. All programs in the computer run in memory, so the performance of the memory has a huge impact on the computer. Memory is also called internal memory, and is used to temporarily store arithmetic data in the CPU and data exchanged with an external memory such as a hard disk. Classification of memory: There are three main types of memory in the market: SDRAM, DDR SDRAM and RDRAM. Among them, DDR SDRAM memory occupies the mainstream of the market, and SDRAM memory specifications are no longer developed, and are in the ranks of being eliminated. The memory currently used in the market is DDR. DDR SDRAM is the abbreviation of Double Data Rate SDRAM, which means double-rate synchronous dynamic random access memory. Personal understanding of memory, CPU is the brain, memory is your reaction speed, although not very appropriate, but also make do with understanding. 5: Video card (Graphics card) full name display interface card, also known as display adapter, is one of the most basic configuration of the computer, one of the most important Accessories. As an important part of the computer host computer, the graphics card is a device for digital-to-analog signal conversion, which undertakes the task of outputting display graphics. The graphics card is connected to the computer motherboard, which converts the digital signal of the computer into an analog signal for display, and the graphics card still has image processing capability, which can assist the CPU to work and improve the overall running speed. The use of the graphics card is also very important for the operation of the computer. Professional graphics cards or game graphics cards, different star cards have no good or bad points, but focus on different directions. 6: Display j interface 1. High-definition multimedia interface (English: High DefiniTIon MulTImedia Interface, HDMI) is a digital video/audio interface technology. It is a dedicated digital interface suitable for image transmission. It can transmit audio and video signals at the same time. The highest data transmission speed. It is 4.5GB/s. Advantages: HDMI can not only meet 1080P resolution, but also support digital audio formats such as DVD Audio, support eight-channel 96kHz or stereo 192kHz digital audio transmission, can transmit uncompressed audio and video signals. HDMI can be used in set-top boxes, DVD players, personal computers, video games, integrated amplifiers, digital audio and televisions. HDMI can transmit both audio and video signals. HDMI supports EDID and DDC2B, so devices with HDMI have “plug and play†features, and “negotiation†is automatically performed between the signal source and the display device to automatically select the most appropriate video/audio format. Second, VGA (Video Graphics Array) is a video transmission standard introduced by IBM in 1987 with PS/2 machine. It has the advantages of high resolution, fast display speed and rich colors. It has been widely used in the field of color display. . Hot swap is not supported and audio transmission is not supported. The general-purpose VGA display card system mainly consists of three parts: control circuit, display buffer area and video BIOS (Basic Input Output System). Third, DisplayPort interface: high-definition digital display interface. Performance: In terms of performance, DisplayPort 1.1 supports a maximum transmission bandwidth of 10.8Gb/s, and HDMI 1.3 standard can support a bandwidth of 10.2G/s. In addition, DisplayPort can support WQXGA+ (2560&TImes; 1600), QXGA (2048 & TImes; 1536), etc. Resolution and color depth of 30/36bit (10/12bit per primary color), 1920×1200 resolution color support to 120/24Bit, ultra-high bandwidth and resolution is enough to adapt to the development of display devices. More advanced than HDMI, DisplayPort can do more on a single cable. In addition to the four main transmission channels, DisplayPort also provides a powerful auxiliary channel. The auxiliary channel has a transmission bandwidth of 1 Mbps and a maximum delay of only 500 μs. It can be used directly as a transmission channel for low-bandwidth data such as voice and video, and can also be used for game control without delay. It can be seen that DisplayPort can achieve maximum integration and control of peripheral devices. DisplayPort was originally developed for LCD monitors. It uses the "Micro-Packet Architecture" transmission architecture, and video content is transmitted in packets. This is significantly different from video transmission technologies such as DVI and HDMI. In other words, the emergence of HDMI replaced the analog signal video, and the emergence of DisplayPort replaced the DVI and VGA interfaces. There are other different interfaces, which are not listed one by one, and will be covered in the future. 7: The network card is a network component working at the link layer. It is an interface connecting a computer and a transmission medium in a local area network, and can not only realize physical connection and electrical signal matching with a local area network transmission medium, but also involve frame transmission and reception, and frame. Encapsulation and unpacking, media access control, data encoding and decoding, and data caching. The connection between the computer and the external LAN is through a network interface board inserted into the mainframe (or a PCMCIA card inserted in the laptop). The network interface board is also known as the communication adapter or network adapter or the network interface card NIC (Network Interface Card), but more people are willing to use the simpler name "network card". 8: The basic function of the sound card is to convert the original sound signal from the microphone, tape, and disc to the sound device such as headphones, speakers, amplifiers, recorders, etc., or to make the instrument sound wonderful through the music device digital interface (MIDI). 9: SATA (Serial Advanced Technology Attachment) is a serial-based hardware driver interface based on industry standards. It is a hard disk interface specification jointly proposed by Intel, IBM, Dell, APT, Maxtor and Seagate. Advantages of SATA: The serial interface has a simple structure, supports hot swap, fast transmission speed, and high execution efficiency. The hard disk using SATA (Serial ATA) port is also called serial port hard disk, which is the trend of PC hard disk in the future. Serial ATA adopts serial connection mode. Serial ATA bus uses embedded clock signal and has stronger error correction capability. Compared with the past, the biggest difference is that it can check the transmission command (not just data). The error is automatically corrected, which greatly improves the reliability of data transmission. 10: The hard disk is one of the main storage media of the computer, and is composed of one or more discs made of aluminum or glass. The disc is covered with a ferromagnetic material. Classification: Hard drives have solid state drives (SSD drives, new hard drives), mechanical hard drives (HDD traditional hard drives), hybrid hard drives (HHD is a new hard drive based on traditional mechanical hard drives). Basic parameters: Capacity: The commonly used notebook capacity is generally 500G. Rotational speed (Rotational Speed ​​or Spindle speed) is the rotation speed of the motor spindle in the hard disk, that is, the maximum number of revolutions that the hard disk platter can complete in one minute. The speed of the speed is one of the important parameters to indicate the grade of the hard disk. It is one of the key factors determining the internal transmission rate of the hard disk, which directly affects the speed of the hard disk to a large extent. Average Access Time (Data Transfer Rate) Cache memory is a memory chip on a hard disk controller with extremely fast access speed. It is between the internal storage of the hard disk and the external interface. Buffer. 11: Bus One: The PCI Express bus is a completely new bus specification that is completely different from the past PCI bus . Compared with the PCI bus shared parallel architecture, the PCI Express bus is a point-to-point serial connection device connection. PCI Express handles communication in a peer-to-peer manner. Each device establishes its own transmission channel when it needs to transmit data. This channel is closed for other devices. This operation guarantees the channel's proprietaryity and avoids interference from other devices. . Transmission speed: X1 speed is 250M/S, while X16 is 16 times X1, which is 4GB/S. Two: SPI is an abbreviation of Serial Peripheral Interface. SPI is a high-speed, full-duplex, synchronous communication bus that occupies only four wires on the pins of the chip, saving the pins of the chip and saving space for the layout of the PCB. Because of this simple and easy to use feature, more and more chips are now integrated with this communication protocol, such as AT91RM9200. The communication principle of SPI is very simple. It works in master-slave mode. This mode usually has one master device and one or more slave devices. It requires at least 4 wires. In fact, 3 can also be used (for one-way transmission, That is half-duplex mode). Also common to all SPI-based devices, they are SDI (data input), SDO (data output), SCLK (clock), CS (chip select). Three: USB, which is the abbreviation of English Universal Serial Bus , and its Chinese abbreviation is “pass-through lineâ€, which is an external bus standard for standardizing the connection and communication between computers and external devices. It is an interface technology applied in the PC field. The USB interface supports plug-and-play and hot-swap capabilities of the device. Four: LPC full name: Low Pin Count ; a new interface specification released by Intel in 1997 to replace the traditional ISA BUS. In order to connect ISA expansion slots, adapters, ROM BIOS chips, Super I / O and other interfaces, the South Bridge chip must be retained. An ISA BUS and connected to the Super I/O chip to control legacy peripherals. The PC interface defined by Intel separates the address/data of the previous ISA BUS and converts it into a decoding mode similar to PCI address/data signal line sharing. The number of signal lines is greatly reduced, and the working speed is synchronously driven by the PCI bus rate. Although the improved LPC interface maintains the maximum transmission value of 16MB/s, the number of required signal pins is greatly reduced by 25~30. The Super I/O chip and Flash chip designed with LPC interface can enjoy the reduction of the pin number. The benefits of volume reduction, the design of the motherboard can also be simplified, which is why the name LPC - Low Pin Count. 12: The Super Input Output Chip (SIO) is usually located at the bottom left or top left of the motherboard. The main chips used are Winbond and ITE, which provide control processing functions for the standard I/O interface on the main board. The term "super" here refers to the integration of PS/2 keyboard, PS/2 mouse, serial COM, parallel port LPT interface and other processing functions, and these interfaces are slow I / O devices in the computer. They are all located to the right of the back of the motherboard. Its main functions include processing serial data transmitted from devices such as keyboards, mice, serial interfaces, etc., converting them into parallel data, and also responsible for the transmission and processing of parallel interface and floppy drive interface data. 13: BIOS is an abbreviation of the English "Basic Input Output System". After the translation, the Chinese name is "basic input and output system". In fact, it is a set of programs that are solidified onto a ROM chip on the motherboard of the computer. It stores the most important basic input and output programs of the computer, the self-test program after booting, and the system self-starting program. It can be read and written from CMOS. Specific information about the system settings. Its main function is to provide the lowest level of hardware setup and control for the computer. 14: Power classification: AT power, ATX power, SFX power ATX power supply: There are two main versions of ATX power supply, one is ATX1.01 and the other is ATX2.01. The 2.01 version and the 1.01 version of the ATX power supply have different activation currents except for the position of the cooling fan. The 1.01 version has only 100mA, and the 2.01 version has 500mA to 720mA. This means that the 2.01 version of the ATX power supply will not be "allergic" like the 1.01 version, and will often start the computer itself due to external voltage fluctuations. SMD/SMT Inductor(Coils)
An SMD inductor is a surface mount device inductor. It is a model of inductor that has no wire leads on its ends. This type of inductor is mounted directly to the surface of a circuit board via tining or soldering. They are positive reactance devices, available in many sizes and form factors optimized for particular applications. They are used in circuits that require filtering, power supplies, and many other functions. Inductance is associated with any PCB trace, via and ground plane and is usually considered a parasitic effect in all passive components and integrated circuits with wire bonds.ve components and integrated circuits with wire bonds.
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FAQ
1-MOQ?
We will work hard to fit your MOQ .Small purchase quantity is ok.
2-Payment term?
T/T, Western Union, Paypal, Credit Card
3-Delivery port?
Shenzhen, Guangzhou, Zhongshan, Hongkong.
4-Shipping date?
About 7 days when we check the payment.
5-Do you produce the core and bobbin by yourself .
Yes.we have 2 head company,1 subsidiary company.one is bobbin factory,one is core factory,last one is transformer factory.
6-Where is your factory?
In ShaanxI
Smd Inductor,Smd Power Inductor,Smt Power Inductor,Copper Wire Smd Inductor Shaanxi Magason-tech Electronics Co.,Ltd , https://www.magason-tech.com
â–ªIntegrally molded Power Inductor using a metallic magnetic material.Magnetic shield type and low noise
â–ªIt achieve large current,low Rdc,and compactness
â–ªGood performance in high-temperature environments with good DC superimposition characteristics
â–ªNo Halogen,RoHS compliant
Application:
Power supply around the PC,servers,communication devices,automotive electronics,compact power supply modules,others.
