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[sindi keesan <keesan AT sdf.lonestar.org>]

The motherboard that would not boot most of the time with Compaq or IBM (2 
models) keyboards (all small-end PS/2 style) or a big-end 84-key keyboard 
via an adaptor, boots every time with two other big-end 101 key keyboards 
- Acer and AST (older models).

With USB keyboard it booted linux then crashed.

What would make the keyboards behave so differently?


On Sun, 5 Mar 2006, sindi keesan wrote:

> We have a board with usually bad keyboard port (plugging in a keyboard
> usually prevents booting, and if it boots to DOS and then linux, the
> keyboard then suddenly freezes up).
>
> We borrowed a USB keyboard and booted with David's USB boot disk, which
> let us use the keyboard, but 10 sec after a successful boot we got not a
> freezeup but
>
> Unable to handle kernel nullpointer dereference.
>
> A long list of memory registers.
>
> Kernel panic (aieeee!)
>
> No more response to anything but reboot.
>
> Is this something fixable or familiar to anyone else?