Gamesx is FUBARed!!! This is the link, no good tho.
<a href="http://www.gamesx.com/importmod/neocart5060.htm" target="_blank">http://www.gamesx.com/importmod/neocart5060.htm</a>
If you have that version, great! If not, then there's 2 links marked PAL. One does 50/60, other PAL/NTSC. Lift the end of one of the links (or solder a link over if missing) and see if you've changed 50/60 or PAL/NTSC. easy!