1) USB polling is based more on bandwidth than timing. ~125Hz is a fair assumption, but ~1000Hz is - at best - a marketing department's unrealistically optimistic spin of "the best case scenario" on...
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1) USB polling is based more on bandwidth than timing. ~125Hz is a fair assumption, but ~1000Hz is - at best - a marketing department's unrealistically optimistic spin of "the best case scenario" on...
I've actually "retromodded" USB keyboards to PS/2. Real PS/2, with the old scansets and controller interfaces, not the hybrid (USB native, PS/2 emulated) types which have been standard issue for at...
This particular specific topic is one I just happen to know a great deal about after building my own "perfect" keyboard controller. lol, I wouldn't participate in discussions about topics I don't...
I think self-educated hobbyist/amateur EE people often know more (irrelevant details) about the topic than properly educated EEs. Avocational passion rather than just a plodding vocational money...
I'll admit that PS/2 spec was never designed to be scalar, never designed to accept any other devices. It's really just another PC/AT component which worked so well it became the de-facto industry...
I don't know many people who hot swap keyboards. In fact, my experience is that interface devices (specifically keyboard and mouse) sometimes work poorly and require some OS massaging or even a...