Re: boot USB errors

Tim wrote:
Jim Cornette:
Unless you need to access the BIOS via the USB keyboard, (or old DOS, win OS) legacy USB support is not needed.

Tim:
I found you couldn't operate GRUB without it, it needed a PS/2 keyboard,
or the BIOS emulating it. Tried that on three different motherboards.


Jim Cornette:
I didn't realize that grub was so limited. I guess with the space it occupies, it is pretty much legacy. Thanks for the information.

Does it hang at grub or does it proceed to boot after the timeout?

It just boots in the default manner, with no way for you to make any
changes. That's not a problem if you don't need to change anything, but
you'd have to reboot (using something other than the keyboard) and do
something else (change BIOS options / plug in a PS/2 keyboard) if you
needed to change GRUB options.



Thanks! I was curious to what effect no keyboard would have on grub. The answer helps since the next generation of a computer product that I deal with has no PS/2 connectors and is completely dependent on USB working. USB legacy is of course enabled on these computers by default.

Do you still get the same problem with USB devices once the OS loads when USB legacy is disabled?

Jim

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