What does error code 6 from atkbd.c mean?

[stan]

I'm fighting with a new laptop. It has a built in PS/2 style keyboard and
mouse workalike. If I boot the machine with nothing else pluged in these
both work. If I add an external USB or PS/2 mouse they work. If I add
either a PS/2 style or USB keyboard. I get this error code during boot, and
neither keyboard works.

What's this error code telling me?

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"They that would give up essential liberty for temporary safety deserve
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