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The USB standards is a mess that makes my brain melt. There are so many standards about the speed for data and charge time that you need to do a research before buying anything related to USB. For example, I bought headphones with USB recharge port. I am just lucky that my computer has the right USB, otherwise It would be impossible to recharge them. My computer has 4 USB ports, but only 1 is compatible with my headphones. I still don't know if corporations are owned by idiots, or by perverts who like to fuck with customers.

The USB standards is a mess that makes my brain melt. There are so many standards about the speed for data and charge time that you need to do a research before buying anything related to USB. For example, I bought headphones with USB recharge port. I am just lucky that my computer has the right USB, otherwise It would be impossible to recharge them. My computer has 4 USB ports, but only 1 is compatible with my headphones. I still don't know if corporations are owned by idiots, or by perverts who like to fuck with customers.

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[–] • 0 pt

Are you saying that mice with extra buttons did not exist during the PS/2 standard?

The whole standard is ill defined. There's room in the protocol for random buttons. USB allows for more descriptive information between the hardware and host during negotiation. Thins like the mouse communicating the DPI and desired refresh rate are not supported at all in PS/2.

What the OS "sees" is dependent on the kind of controller. The USB 3.0 controller needs different drivers than 2.0. Motherboards ship/shipped with a mix of 2.0 and 3.0 controllers, which I thought was to save cost, but I suppose it also has the side effect of backwards compatibility.