Home > Power Supply > Power Supply? AT? ATX? Wha.? Help!

Power Supply? AT? ATX? Wha.? Help!

Retrieved 2014-10-07. ^ "Cooler Master UCP Product Sheet" (PDF). When Intel developed the ATX standard power supply connector (published in 1995), microchips operating on 3.3V were becoming more popular, beginning with the Intel 80486DX4 microprocessor in 1994, and the ATX Bookmark Choosing a Power Supply - Bookmark this article so you can find it easily next time you have questions about computer power supplies. In older PSU designs, it was used to supply the voltage regulator, located on the low-voltage side of the transformer, allowing the regulator to measure output voltages. http://macland.net/power-supply/power-supply-atx-2-0-any-suggestions-as-to-a-power-supply.php

In portable computers (such as laptops) there is usually an external power supply (sometimes referred to as a "power brick" due to its similarity, in size, shape and weight, to a Even if this is not the case, power supplies with 20-pin connectors are generally compatible with motherboards with 24-pin connectors, leaving 4 pins unconnected, although this combination may not operate properly The 12V CPU power cables CPUs used to be powered by the 20 pin main power cable. Thus, it is guaranteed to supply at least 17A, and guaranteed to cut off before 20A. https://en.wikipedia.org/wiki/Power_supply_unit_(computer)

The regulator controls the switching transistors insulated by optocouplers or pulse transformers. Intel. ATX12V standard[edit] As transistors become smaller on chips, it becomes preferable to operate them on lower supply voltages, and the lowest supply voltage is often desired by the densest chip, the

  • The system power consumption is a sum of the power ratings for all of the components of the computer system that draw on the power supply.
  • Maximum Power Power supplies are basically differentiated by output wattage, which is quoted according to the "Maximum Power" output.
  • by FixedHDD in computers Download 3 Steps Share Favorite I Made it!
  • Yes No Not Helpful 6 Helpful 5 Unanswered Questions How can I insulate the VCD component?
  • Generally, the "Maximum Power" figure of a power supply refers to the continuous (stable) power the PSU will deliver consistently, while the peak power refers to the elevated maximum (surge) power
  • At higher amperage levels though, the ability of the power supply to generate a stable voltage was more difficult.
  • Show Full Article Up Next Up Next Article Here's How to Test Your Power Supply With a PSU Tester Up Next Article A Secondary PC Power Supply For Graphics Cards Up
  • wikiHow Contributor You can either buy a PSU tester or take a paper clip and fold it into a U-shape.
  • Did this article help you?

There are two basic differences between AT and ATX power supplies: the connectors that provide power to the motherboard, and the soft switch. List Intro and Opening the Case Article How to Safely Test the Power Supply in Your Computer Get the Most From Your Tech With Our Daily Tips Email Address Sign Up ATX Power Supplies Search the site GO Buying Guides Computers & Tablets Accessories & Peripherals Desktops Tablets Laptops Printers Smartphones Games & Consoles Gadgets TVs & Home Theater Cameras Audio How TechRepublic. 2007-06-08.

Please enable JavaScript in your browser settings so Newegg.com can function correctly. On the other hand, buying a power supply that is too small for your requirements will be annoying. dansdata.com. https://www.newegg.com/Product/CategoryIntelligenceArticle.aspx?articleId=199 Older motherboards use a 4-pin connector, while newer ones use an 8-pin.

They are all smaller than the standard ATX12V form factor power supply in terms of physical size. Personal computers usually require 300 to 500W.[11] Power supplies are designed around 40% greater than the calculated system power consumption. If you know that the power supply won't be used in an older computer then you can use an ATX12V 2.0 or newer power supply which delivers the bulk of its I happened to see your page so i tried with an old psu that i wasn't using...I was dissapointed at first because the psu started for a moment and then it

Then put the other end in the slot that any black wire runs in. Nowadays things are a bit more complicated. p.26. The Power factor (PF) refers to the ratio of active power (measured in watts) to the apparent power (voltage multiplies current - volts x amps or VA), which includes both active

Common certificate marks for EMI/RFI are the CE mark, FCC and C-tick. this contact form The truth is that the power supply is a vitally important part of a computer system as every component inside the computer case is fed by the PSU. As a result, when shopping for a power supply, it is best to purchase one that is at least ATX v2.01 compliant or higher. External power supply could send data about itself (power, current and voltage ratings) to the computer.

Saved me a lot of investigation and worked like a charm. For example, a 900-watt power supply with the 80 Plus Silver efficiency rating (which means that such a power supply is designed to be at least 85-percent efficient for loads above As with later versions of the ATX PSU standard, there is also no −5V rail. have a peek here Since the limit is far larger than the reasonable current draw through a single wire, manufacturers typically group several wires together and apply the current limit to the entire group.

Other form factors[edit] The Thin Form Factor with a 12V connector (TFX12V) configuration has been optimized for small and low profile microATX and FlexATX system layouts. Thank you very much.

This is the whole story. Note: Please refer to the "Component Typical Power Requirements" table and calculate your specific maximum power requirements.

If you need a power supply for an older computer then you can use an ATX12V 1.3 or earlier power supply which provides most of its power on 3.3/5.

This page introduces you to the issues you need to consider to maximize the chance that an ATX power supply and motherboard will work together properly. This LED would indicate when there is Power to the Supply, if on or off if there is power supplied then this would be lit.

This was incredibly useful. It turns out from our investigation that the above power supplies do not meet the ATX12V or EPS12V standards as the packaging claims. ^ Power Supply Design Guide for Desktop Platform Check out our 430W power supply and 500W power supply, both with the 20 and 24 pin connector built in. "P4 Connector" - Take a look at the 4 pin cpu

A second connector that goes to the motherboard (in addition to the main 24-pin connector) to supply dedicated power for the processor. Connect the 20/24 pin connector to the motherboard. If you are going to run an SLI/Crossfire configuration, please make sure the +12V rail(s) provide no less than 34A combined. http://macland.net/power-supply/power-flashes-when-i-flip-the-power-supply-switch.php There are adapters which convert 20 pin cables into 24 pin cables but they don't solve the problem and can cause problems of their own.

June 2006. datacenters.com. 2014-03-21. Connect your drives. As with plugging a 24 pin cable into a 20 pin motherboard connector, you can plug an 8 pin cable into a 4 pin connector and leave 4 pins hanging over

The ATX12V v1.0 specification added over the original ATX form factor a 4-pin +12V connector to deliver power exclusively to the processor; and a 6-pin auxiliary power connector providing the +3.3V What does "ATX" stand for? VGA video card outputs Useful technical information How to install your motherboard chipset drivers Test your motherboard memory with Memtest86 Torture test your CPU with Prime95 How to find specifications for If you plug a 24 pin power cable into a 20 pin motherboard then it will work fine but you often can't get them to physically fit together because something gets

i hope it will work because i tried a similar way but i blow up something!

First few times I tried this I had some nice explosions (I suspect I blew a AnandTech. Google's server power supplies are more than 90% efficient.[19] HP's server power supplies have reached 94% efficiency.[20] Standard PSUs sold for server workstations have around 90% efficiency, as of 2010. The manufacturers of these computer system components, especially graphics cards, tend to over-rate their power requirements, to minimize support issues due to too low of a power supply.[citation needed] Although a

Also thanks to the German schools for teaching English so well.

Has anyone tried using a lighted rocker switch to control the power supply on lead instead of a regular switch?

The illuminated We have also included an illustrated guide to the pinouts of the various connectors along with their functions. If you're replacing a common power supply for Compaq, Dell, Gateway, HP, etc you might try our power supply cross reference engine first. Maximum power is not just a number, it also gives a basic idea of how many devices (and what type of devices, in terms of power consumption) the power supply will

Climate Savers Computing Initiative promotes energy saving and reduction of greenhouse gas emissions by encouraging development and use of more efficient power supplies. 80 PLUS certifies power supplies that meet certain Sometimes they have three or even four 12 volt rails. Efficiency[edit] See also: Green computing A test in 2005 revealed computer power supplies are generally about 70–80% efficient.[18] For a 75% efficient power supply to produce 75W of DC output it Initially, this was supplied by the main +5V supply, but as power demands increased, the high currents required to supply sufficient power became problematic.

It will work fine if it fits. Each voltage rail requires attention, but the most attention needs to go to the +12V rail(s), since the processor and PCIe video cards receive their power from them.