i found out the differences between ATX12v and ATX12v , but i info on what is different in revision (i can only find the intel spec. Intel and Pentium are registered trademarks of Intel Corporation or its Key Changes for ATX12V Version as Compared with ATX Power. Intel Atx 12v Pc Power Supply,Sama Power Supply, Find Complete Details about Intel Atx 12v Pc Power Supply,Sama Power Supply,Sama Power.

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It has a pin main connector same as ATX12V v2. Several ATX-derived designs have been specified that use the same power supply, mountings and basic back panel arrangement, but set different standards for the size of the board and number of expansion slots.

Green computing and untel Plus. A number of manufacturers have added one, two or three additional expansion slots at the standard 0. Retrieved April 1, Although these boards have room for additional expansion slots 9 and 8 total, respectivelyall three provide only seven expansion connectors; the topmost positions are left vacant to provide more room for the CPU, chipset and associated cooling.

An ATX power supply provides a number of peripheral power connectors and in modern systems two connectors for the motherboard: Since references to Mini ATX have been removed from ATX jntel since the adoption of microATX, the AOpen definition is the inttel contemporary term and the one listed above is apparently only of historical significance.


This article is about the computer form factor. It was used only on high-end Athlon MP motherboards. High-performance video card power demands dramatically increased during the s and some high-end graphics cards have power demands that exceed AGP or PCIe slot capabilities.

This standard introduced some changes, mostly minor. The power was slightly increased on all rails.

Intel ATX 12V 2.31 pc power supply, SAMA power supply

Original AT cases flat case style have an integrated power switch that protruded from the power supply and sits flush with a hole in the AT chassis. The 20—pin Molex Mini-Fit Jr.

2.3 Archived from the original on September 19, Originally, the motherboard was powered by one pin connector. Although a power supply with a larger than needed power rating will have an extra margin of safety against overloading, such a unit is often less efficient and wastes more electricity at lower loads than a more appropriately sized unit. Some of them are:.

The official ATX specifications were released by Intel in and have been revised numerous times since. ATX is the most common motherboard design. The most recent ATX motherboard specification is version 2. On the back of the computer case, some major changes were made to the AT standard.

The added length could have allowed placement of up to eight expansion slots, but the top slot position is vacant on this particular model.

ATX12V vs ATX12V – – An Overclocking Community

Proprietary motherboard designs such as those by Compaq, Packard-Bell, Hewlett Packard and others existed, and were not interchangeable with multi-manufacturer boards and cases. The gains of using an efficient power supply are more substantial in computers that use a lot of power.

  ASTM D1084-08 PDF

Some proprietary brand-name systems require a matching proprietary power supply, but some of them may also support standard and interchangeable power supplies. For instance, ATX 2. ATX uses one large, keyed connector which can not be connected incorrectly.

Numbering of the ATX revisions may be a little confusing: Other minor changes were introduced. ATX allowed each motherboard manufacturer to put these ports in a rectangular area on the back of the system with an arrangement they could define themselves, though a number of general patterns depending on what ports the motherboard offers have been followed by most manufacturers.

ATX12V 2.3 vs ATX12V 2.31

Efficient power supplies also save money by wasting less power; as a result they use less electricity to power the same computer, and they emit less waste heat which results significant energy savings on central air conditioning in the summer. InFoxconn unveiled a Foxconn F1 motherboard prototype, which has the same width as a standard ATX motherboard, but an extended An ATX power supply is typically controlled by an electronic switch connected to the power button on the computer case and allows intl computer to be turned off by the operating system.

For these cards, supplementary power was delivered through a standard 4-pin peripheral or floppy power connector.