this post was submitted on 12 Feb 2026
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I didn't realise that I need to buy a power supply. I had a fully assembled computer and was asking myself how I can plug the thing in.
Also just bought a psu after and it still works like a charm to this day.
You can stick wires with mains voltage into any two pins of any motherboard connector but there's a reason they're not shaped like an AC receptacle ๐ฅ. Unless it's a ZX Spectrum, that cheap thing used the most basic connector (3.5mm jack) for everything: cassette I/O, video output and, unregulated 9V DC power input from the transformer brick, and people would often fry it.
One thing I noticed and appreciated when I first tinkered with my computer was the whole "There's only one place this can go" for the more critical cables. I did mange to mess up my fans, but that wasn't a big deal.