@bcoffy I believe that I have personally encountered at least one item of every single level.
I'm old, I remember BIOS emulation of PS/2 protocols for USB keyboard/mice.
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@bcoffy I believe that I have personally encountered at least one item of every single level. I'm old, I remember BIOS emulation of PS/2 protocols for USB keyboard/mice. 1 comment
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@jbqueru @bcoffy Those were very common in BIOSes until very recently; they had some use again after USB3 were the only ports on the motherboard, because Win7 had no built-in USB3 support (and this allowed you to install Win7 without integrating USB3 drivers).