教你认识计算机硬件及相关参数的识别(10--电源篇)（国外英文资料）.docVIP

教你认识计算机硬件及相关参数的识别(10--电源篇)（国外英文资料） One, what is the power supply. Simply put, the power supply is the device that is responsible for powering all parts of the host within the host. Second, the nose of PC power source -- AT power specification AT the Power of the PC Power source, the Power is usually 150W - 250W, with a total of four output (5V, 12V) and a P.G signal to the motherboard. The output line is two six-core plugs and four core plugs, two six-core sockets to the mainboard. The power source is switched off in a cut-off mode, which means hard shutdown. Before the ATX power supply came out, the computer from 286 to 586 was run by AT power. AT present, AT power is out of the market, even in the old computer market. -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- The ATX power specification of the ATX power supply specification ATX specification is Intel 1995 standards for the new host of board structure, is the abbreviation of English (AT the Extend), can be translated to the AT extended standard, and ATX power supply is designed according to the specification of power supply. Compared with the AT power supply, ATX power supply dimension has not changed much, and AT its power is the most significant difference, the former cancelled the traditional mains switch, relying ON the + 5 VSB, PS - ON the combination of the control signal to realize the power of open and closed. The ATX power supply has a total of six outlets, plus 5V, -5v, + 12V, -12v, + 3.3 V and + 5Vsb. + 5 VSB is for the host system when ATX standby power supply, as well as open and close automatically control and remote sensei communication circuit of the working power supply, in the condition of standby and controlled start, its high output voltage is 5 v level, use the purple line by ATX plug lead 9 feet. PS