weird@sub.wetshaving.social to linuxmemes@lemmy.world · il y a 1 anThe good old dayssub.wetshaving.socialimagemessage-square8linkfedilinkarrow-up10arrow-down10
arrow-up10arrow-down1imageThe good old dayssub.wetshaving.socialweird@sub.wetshaving.social to linuxmemes@lemmy.world · il y a 1 anmessage-square8linkfedilink
minus-squaregrue@lemmy.worldlinkfedilinkarrow-up0arrow-down1·il y a 1 anI would expect that any motherboard that went to the trouble of including a PS/2 port would handle it with a real hardware interrupt, because the whole point of still having those things is to avoid the latency overhead of USB.
minus-squarekopasz7@sh.itjust.workslinkfedilinkEnglisharrow-up1·il y a 1 anLargely an urban legend. The internal electronics of the keyboard/mouse matter more than the protocol for end to end latency. There are USB keyboards that beat a PS/2 one, at just 125 Hz polling. 1000 Hz polling pulls ahead even more. https://www.youtube.com/watch?v=eEswl6kZq5k&t=650
minus-squareMonkderVierte@lemmy.mllinkfedilinkarrow-up1·il y a 1 anBut honestly, 1000 Hz polling is just for bigger numbers game. Even 300 ms are barely noticeable by humans, not to mention 10 ms of 100 Hz.
I would expect that any motherboard that went to the trouble of including a PS/2 port would handle it with a real hardware interrupt, because the whole point of still having those things is to avoid the latency overhead of USB.
Largely an urban legend. The internal electronics of the keyboard/mouse matter more than the protocol for end to end latency.
There are USB keyboards that beat a PS/2 one, at just 125 Hz polling. 1000 Hz polling pulls ahead even more.
https://www.youtube.com/watch?v=eEswl6kZq5k&t=650
But honestly, 1000 Hz polling is just for bigger numbers game. Even 300 ms are barely noticeable by humans, not to mention 10 ms of 100 Hz.