did you try the http://grandag.nm.ru/hdk/autobuild/allbest-ixus700_sd500-101b-50-388.zip (or the "a" version)? sometimes changes in firmware are really small so chdk loads even if it wasnt specifially made for that particular firmware.
Started by marcelo.espinosa General Discussion and Assistance
Started by woohoo « 1 2 » General Discussion and Assistance
Started by andre117 General Discussion and Assistance
Started by acseven General Help and Assistance on using CHDK stable releases
Started by mcugliari Feature Requests