INTEL ATX12V 2.31 PDF

The power supply unit is the piece of hardware that converts the power provided from the outlet into usable power for the many parts inside the computer case. It converts the alternating current from your wall outlet into a continuous form of power called direct current that the computer components require. It also regulates overheating by controlling voltage , which might change automatically or manually depending on the power supply. The power supply is a crucial piece because, without it, the rest of the internal hardware can't function. Motherboards , cases, and power supplies all come in different sizes called form factors.

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Figure 6: Main motherboard connector pin plug. See how it can be transformed into a pin connector. Figure 7: Main motherboard connector pin plug. Figure 8: ATX12V connector. Figure 9: ATX12V connector. Figure EPS12V connector. Figure EPS12V connector on a motherboard. Thursday, June 4, Hardware Secrets. Power Plugs Nowadays, power supplies provide the following connectors to feed the components from the PC: Main motherboard connector: This is one of the cables that you need to connect to the PC motherboard.

It uses a big pin plug, which is the biggest plug found on the power supply. Most power supplies will allow you to convert this pin plug into a pin plug usually by removing the extra 4 pins , which is the standard used by older motherboards. Motherboards that use the pin connector are called ATX12V 2. ATX12V connector: This 4-pin connector is used to provide electrical current to the system CPU and must be installed on the motherboard. Since it has eight pins instead of four, it is capable of providing more current.

Not all power supplies and not all motherboards come with this connector. If your motherboard and your power supply both have this connector, use it instead of using the ATX12V one. Motherboards that come with this connector often come with half of the connector covered with a sticker or a plastic cover, allowing you to use the power supply ATX12V connector on the motherboard EPS12V connector.

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ATX Advanced Technology eXtended is a motherboard and power supply configuration specification developed by Intel in to improve on previous de facto standards like the AT design. It was the first major change in desktop computer enclosure , motherboard and power supply design in many years, improving standardization and interchangeability of parts. ATX is the most common motherboard design. The ATX specifications were released by Intel in and have been revised numerous times since. The most recent ATX motherboard specification is version 2. An advantage of having an EATX motherboard is dual socket support.

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what does compliance with Intel ATX 12V 2.3 & SSI EPS 12V 2.91 standards mean?

Figure 6: Main motherboard connector pin plug. See how it can be transformed into a pin connector. Figure 7: Main motherboard connector pin plug. Figure 8: ATX12V connector. Figure 9: ATX12V connector.

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