this post was submitted on 12 Aug 2025
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[–] cheet@infosec.pub 5 points 11 months ago (3 children)

PS2 keyboards use interrupts rather than polling in USB, meaning every time a key is pressed the CPU stops what its doing to process it.

[–] mfed1122@discuss.tchncs.de 2 points 11 months ago

Cool! I had no idea it was deeper than just a physical interface change.

[–] Drewfro66@lemmygrad.ml 1 points 11 months ago (1 children)

I didn't know the PS2 had a keyboard

[–] SparroHawc@lemmy.zip 1 points 11 months ago

I know you're probably being facetious... but the PS/2 port is what's shown in the OP image.

that said the Playstation 2 had USB ports, you could just plug a regular keyboard into it

[–] Deebster@infosec.pub 0 points 11 months ago (1 children)

And having to pick your IRQ when installing anything into your machine, and the weird bugs that could happen if you mucked it up.

[–] Taleya@aussie.zone 1 points 11 months ago

I remember manually programming the cylinders and heads on a hdd into the bios. Kids these days got it easy