Solved Why is ATX PSU better at plugging into motherboard?

October 12, 2012 at 12:43:45
Specs: Windows 7, AMD Phenom II 940 8GB
I am studying for the A+ Exam and ran into this question:

Which of the following power supply standards was developed to provide
a better way to plug into the motherboard?
Answer: A

Why ATX? Thank You

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October 12, 2012 at 12:45:41
Probably because it's pretty much idiot proof.

Audares Juvo

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October 12, 2012 at 13:09:01
✔ Best Answer
It's also the youngest of the listed form factors, which just goes to prove that you'll do okay on the A+ if you just pick the newest tech.

To answer the question, ATX is (well, was) a single connection to the MB from the PSU. The connector itself is designed to prevent the plug from going in backwards.

How To Ask Questions The Smart Way

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October 12, 2012 at 16:39:28
The AT and PC/XT type power supplies had 2 similar looking power connections that needed to be installed side-by-side. It wasn't very difficult to install them backwards. That results in a direct short.

I accidently did that once and it got so hot the solder melted around the power connection pins. Suprisingly, after I turned it off, let it cool down and connected them properly the computer worked fine. Computers were tough back then.

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October 13, 2012 at 15:38:31
Thank you for your reply, I appreciate it.

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