Re: PS/2 Keyboard under 2.6.x

From: Dmitry Torokhov
Date: Tue Oct 11 2005 - 00:45:15 EST

On Monday 10 October 2005 23:48, Mark Knecht wrote:
> On 10/10/05, Michael Krufky <mkrufky@xxxxxxx> wrote:
> > >My keyboard is a wireless thing that had a little dongle to make it
> > >into ps2. I took that off and used the keyboard as a USB keyboard and
> > >it works fine under SMP.
> > >
> > >This was on 2.6.13-gentoo-r3 for me.
> > >
> > Have either of you tried the kernel boot option usb=handoff ? I had
> > similar problems, and this fixed it for me.
> >
> > --
> > Michael Krufky
> I have not, but in my case simply using the keyboard as a USB keyboard
> was enough to make it work. What doesn't work is when I use it through
> a dongle as a ps2 keyboard. I'm puzzled as to why usb=handoff would
> fix the ps2 keyboard, but I'm willing to try it tomorrow.

It is "usb-handoff", not "usb=handoff". It instructs BIOS to disable USB
Legacy emulation mode which turns USB keyboard/mouse into emulated PS/2

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