When you press the power button on your case, it jumps the green wire to a ground, telling the PSU to turn on. 2 years ago Remember, if knowledge is power, then knowledge of power is power squared.General Information on ATX PSUs:Wikipedia's page on Computer PSUsWikipedia's page on the ATX standard (link is pinned to the section on the PSU connector)Great info on load-balancing and rails, as well as a nice page on connectorsPin-outs for all common PSU connectorsPinouts.ru wants you to know how every connector ever is pinned!Helpful Project Pages from Outside Instructables:WikiHow has a page with some helpful photos and good tipsThis page has good information, but I wouldn't follow his instruction to only use one wire per binding-post!From the above page: From 1996-2000, Dell used non standard wire-colors! Hey i just wanna ask i can add another post for a 5volt with a 4amp or 5amp current? There are basically two common hacks. Thanks all! Question These connectors may have rails of their own ("+12V3" and up), or they may not. Is the PSU's fan spinning?Also, a side note: laptops are easy to fry and hard to fix. Pinouts.ru wants you to know how every connector ever is pinned! You can also buy adapters to use a PSU with 20 pins on a 24-pin motherboard connector or vice-versa. Found bad connection from Frt Pnl Switch to Mobo so fixed it but no good; still dead. Realize that the PSU may have a maximum total load as well, or that there may be maximum loads for groups of rails (e.g. When I connect black with green. 5. Once I saw the pinout where you mentioned "the pink (sometimes smaller gauge red) connected with 5v", I knew what the problem was,I connected a cut red that was by itself, away from the other reds, and indeed the supply finally worked! New ATX v 2.2 uses new connector, but most motherboards nowdays allow to use an old ATX v 1.x power supply with ATX 20 pin connector - it connects to 24 pin motherboard receptacle. Whatever nefarious plans you have for these wires, realize that each pin in an ATX connector is rated to a max of 6 amps. Question
Source(s) of this and additional information: Copyright © 2000-2020 by pinouts.ru team, except user uploaded images. To come off best you should connect the green with black besides the green.Your PSU should power up immendiatly!You are done! If in doubt, though, look carefully at what metal parts are in contact with the post's conductor. It’s only two extra grounds so I really don’t see the point of them, just leave it hanging. The ATX type power supplies also have other connectors, used to power up peripherals such as hard disks and DVD drives. Current version of ATX12V 2.x power supply provides two connectors for the motherboard: a 4-pin auxiliary connector providing additional power to the CPU, and a main 24-pin ATX 2 power supply connector, an extension of the original 20-pin version. Your PSU may not have all of the wires on the chart, depending on the age and output of your unit. Please Help!!! 4 months ago By using this information, you are agreeing that I am not responsible for any of your actions or their results, even if I totally am. on Step 6, what do i do with the grey wire connected to a led or connected with the red or orange wire.
If that doesn't work, maybe you have a dead PSU, Tip Also have a look at the comments section on this Instructable--I've answered a few questions there, when the entirety of the answer didn't seem to fit into the rest of the Instructable.
+12V1 is rated to 16A and +12V2 is rated to 14A, but the side panel may say that maximum load for both +12V rails is 20A, so even if you wire them together, you're not going to get the 30A that you might have thought). To safely get the maximum power from your PSU, you are likely interested in the 4-pin molex, which will give you more wires coming from the +12V1 and +5V rails, allowing you to spread the load and lower the resistance. The original ATX standard connector used for powering the motherboard was a single 20-pin Molex that has all the required +12VDC and +5VDC voltages with huge output currents and short circuit protection as well as a Power-ON wire that allows the PC’s software to turn “OFF” the PSU on shut down.
Upon opening a PSU, you will find that it is a jubilee of wires in the worst way possible. I am not a licensed electrician, professor of physics, PhD engineer, or any other remotely-credible title. Pin 9 (standby) supply 5V even when PSU is turned off. There is the “5569” Chinese part number style with a solid 1mm square pin and this has a 4.2mm pitch in both X and Y direction. Chances are that if you have a PSU with a 24-pin connector you will not have a -5V rail. ?Thanks in advance, Answer All that you have is a PSU from an old PC an a wire. Now i have a little smoke fan .Thank you. Everything in this Instructable is correct to the best of my knowledge, but please use your own good judgement. Because of this there is an additional brown cable crimped together with the orange cable either to pin 13 (ATX) or pin 1 (EPS12V). Right now it's out of its case and on the shelf waiting for field medics to check it out. I followed this guide and connected my Arduino on the 5V and a 12V small motor on the 12V.
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