If anyone wants to mod his gamepad to work on Nintendo PAL console here is the schematic I drew:
UPDATED VERSION:
http://i272.photobucket.com/albums/jj190/simonbelmont2/NintendoControllerPALSchematic.png
heres the info I wrote up a couple of years ago, somebody simplified it since then so i cant take all the credit, but here you are:)
http://gamesx.com/wiki/doku.php?id=controls:snes_con_region_fix