[ipxe-devel] USB-Keyboard "roccat arvo" doesnt work properly with ipxe-menu

Michael Brown mcb30 at ipxe.org
Tue Sep 23 14:49:59 UTC 2014

On 23/09/14 12:06, Oliver Rath wrote:
> I have some special "Gamer" USB--keyboards (Roccat Arvo roc-12-500,
> http://www.roccat.org/Products/Gaming-Keyboards/ROCCAT-Arvo/), which
> work with ipxe-menu in this way:
> - normal keypressing has no effect
> - multiple keypressing has sometimes effect
> - pressing the i.e. arrow-down key together with the shift key (or
> space) works (it is important to press these keys
>    at the same time) in most cases, if not, repeating this multiple times
> get the
>    positioning keys "work".
> I assume, that these keyboards are reacting much faster than
> standard-keyboards so the event too fast for the ipxe-driver.
> How can I debug this? Are there implicit assumptions for the keyboard speed?

iPXE just uses the standard BIOS interface for reading keypresses; we 
don't have any kind of direct keyboard driver.

Does the keyboard work in your normal BIOS environment, or if you boot a 
real-mode OS such as MS-DOS?


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