1 People for Wake Power detection
In short, it is to connect the computer motherboard 20 pin plug, with a wire (such as a thin wire, the specific people to play the imagination) a green line, a black line (there are 8), if the power supply fan
In the 1960s S, the advent of the switching power supply gradually replaced the linear regulated power supply and SCR phase-controlled power supply. Over the past 40 years, the switch power supply technology has developed and changed rapidly, and
Have you noticed the degree to which people are fascinated by mobile devices, especially smartphones? People are using smartphones to surf the Internet, check and write emails, play online games, or update social networks. All these activities,
The server power supply is frequently used by many friends at work. When the server power supply fails, it is very important to choose a new server power supply, because the server power supply is the "motive force" behind the stable operation of
What to do if the laptop motherboard is out of power:
First step.
First, pin 14 and 15 short, and if the fan on the ATX power supply rotates, skip this step and look at the next one.
If the fan on the ATX power supply does not rotate, use a
Quickly determine whether a number is a power of 2, if so, and determine how many times the square!when the power of 2 is written in binary form, it is easy to find a feature: The binary is only a 1, and 1 followed by n 0, so the problem can be
the RF signal of the radio transmitters output is transmitted to the antenna via a feeder (cable) and radiated out by the antenna in the form of electromagnetic waves. When the electromagnetic wave arrives at the receiving location, it is received
The working principle of the switch power supply in this paper is the analysis of the principle of the switch power supply engineers of Electronic enthusiasts. Based on the analysis of a wide range of switch power supply cases, this paper introduces
Most servers are configured as 24-hour running devices. Therefore, server energy-saving technologies are more important than personal products such as PCs and laptops. Generally, there are two kinds of energy-saving technologies on servers. One is
Due to historical reasons and the special nature of the industry, the electric power system and the railway, civil aviation, petrochemical and other departments all have their own large-scale communication networks. Due to the wide variety of
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