Questions tagged [atx]
ATX is the standard for PC power supplies. It has +3.3 V, +5 V, and +12 V. They share a common ground. It has a PS_ON# signal which needs to be grounded to turn it on. Don't open power supplies that run on line voltage (AC). They have dangerous voltages and currents inside
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How to make +12v standby power from ATX power supply?
Can I make a 12v SB line from the existing lines on this ATX power supply? I'm told that +/- 10% voltage is acceptable. Can I combine a (red + orange + purple) 5V + 3.3V + 5VSB = 13.3VSB?
I'm working ...
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How safe is to work on an ATX PSU as a bench power supply?
I'm trying to convert an old ATX PSU into a workbench supply. I saw there are many safety warnings about discharging the internal capacitors before opening the PSU. I'm not really concerned with it as ...
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ATX Power supply and its protective features - not happy with motor as load?
I'm building a chicken coop opener - I've build my circuit (let's say arduino) with a DS3231 clock module and if functions as follows: My DS3231 will pull down its interrupt pin which is connected to ...
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Creating a DC input ATX power supply using buck converter
I am working on a project which requires me to use a battery to run a computer. I planned to work with a 24V battery connected to a DC input (24V,1000W) ATX power supply and connect it to the PC. But ...
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Windshield motor with ATX power supply keeps shutting down
I need to connect my windshield motor (12V) to my ATX power supply from old computer. I've tested the motor on my bench power supply and i draws around 1,5A @ 12V, so it should be well in range of the ...
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If I use a 19V 4.7A supply to a MAX 250W ATX power supply am I an idiot or should it be safe enough?
I can do the maths, I get near 90W, but I'm only planning to draw under a quarter of the power supplies (ebay link) rated max of 5V/12V combo (estimated load 30W). I therefore consider my 19V old ...
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EPS12V 8pin from ATX PSU with two separate 12V rails
This is your standard EPS/ATX12V connector used for feeding the main processor VRM on a computer motherboard. The two 4pin connectors can be attached together to create an 8pin connector. The top four ...
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Reason for capacitor on ATX 12V+ wire
I'm using a computer PSU to power several controller boards and sensors.
To be more precise, I'm using the 24pin ATX connector wires to power everything.
There are two 12V+ wires coming from the ...
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Remote controlling an ATX power supply
First of all i hope you will all excuse my spelling as i am Dyslexic.
I have two computer cases one is fully outfitted and has a sas expander to run 16 hard drives in it with a breakout to a ...
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Powering up analog part of the video card
I am designing the video card for the device mainly powered by the +5 V of the ATX power supply. The digital part of the video card is also powered by the +5 V supply, as well as analog part. Analog ...
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Abusing EPS connector to power LED's?
I'm working on the wiring harness for a PC build that's going to include a bunch of (5050) LED strip lights.
The strips will be wired to fan connectors (more details at end). For testing, I've been ...
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Center tap transformer pairing with ATX PSU
I'd like to use both a beefy center tap transformer (220v to 24-0-24, 1000VA) and an ATX PSU togheter, to power some lab equipment. So I isolated from case the ATX GND on DC side as the case is earth ...
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ATX power supply minimum load
I know this is a commonly asked question but most of the answers I got are more than 5 years ago.
So basically, my friend found a ATX power supply and was going to give it to me. Since I already have ...
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How come PC/laptop power suppliers have much higher wattages per physical size than laboratory switching power suppliers?
This 2.2 kg 1000W BeQuiet BN213 ATX power supply is able to provide 12V 83A (no typo. Eighty-three.), which is around 1000 W.
This huge PS900W (60V15A 30V30A 15V60A) bench power supply weighs 5 kg ...
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ATX power supply won't turn on when connected to motherboard
I am troubleshooting a problem with a power supply for an HP EX490 Mediasmart server. The power supply no longer powers on when the power button is pressed on the back of the server. I have ...
