/usr/share/X11/xkb/keycodes/sgi_vndr
Edit: /usr/share/X11/xkb/keycodes/sgi_vndr/iris (260B)
default xkb_keycodes "iris" {
include "sgi_vndr/indigo(pc101)"
indicator 1 = "L1";
indicator 2 = "L2";
indicator 3 = "L3";
indicator 4 = "L4";
indicator 5 = "Caps Lock";
indicator 6 = "Num Lock";
indicator 7 = "Scroll Lock";
};