> Is there anyway to make these work under X?

I would expect these to work since:

>Working file: kbd.c
>revision 1.16
>date: 1995/04/27 14:27:11;  author: pk;  state: Exp;  lines: +33 -1
>Handle KIOC[GS]LED ioctls; from Lon Willett.

Maybe you must recompile the X11 server since the relevant code in there
is conditional on a KIOCSLED definition.

-pk