Re: USB Keyboard doesn't work

On 20/09/2011, at 10:05, Garrett Cooper wrote:
> On Sep 19, 2011, at 4:39 PM, Pegasus Mc Cleaft wrote:
>=20
>> On Monday 19 September 2011 20:20:18 Alisson wrote:
>>=20
>>> if the machine doesn't have a PS2 port to use keyboard... and have =
only USB
>>> port its impossible to use an keyboard on mountroot prompt
>>=20
>> Hi Alisson,=20
>>=20
>> 	I dont know the complete ins and outs of this, but I think it =
has a lot=20
>> to do with the BIOS on your machine and/or how it is configured (IE: =
PS2=20
>> emulation).
>=20
> 	Many BIOS vendors label this as "legacy keyboard emulation", =
etc. You might want to play with the plug-n-play settings as well (but I =
doubt that that would help).

I think you would need "legacy emulation" for the keyboard to work in =
the loader.

However that will have no effect at mountroot (and after) as the kernel =
has taken over by then.

The kern.cam.boot_delay=3D10000 work around helps by giving the USB =
stack some time to find devices before mountroot.

Unfortunately I believe the USB stack is effectively frozen once the =
mountroot prompt appears hence the need for the work around.

--
Daniel O'Connor software and network engineer
for Genesis Software - http://www.gsoft.com.au
"The nice thing about standards is that there
are so many of them to choose from."
  -- Andrew Tanenbaum
GPG Fingerprint - 5596 B766 97C0 0E94 4347 295E E593 DC20 7B3F CE8C

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