Sorry mate, I didnt see your post earlier... Anyway here is the link for the V124_Patcher5:
EEPROM Patcher
BTW while Fileforums is great for fixes for PC backup, you should try
GBATemp for all your GBA backup needs.
@Tyler: If you are talking about Super Mario Advance 4, then there is a working IPS for proper SRAM save.
Cheers