Please note that every camera model, and almost every firmware revision requires its own unique port. There is zero chance a port for one model will work on another. A. Currently, the CHDK program is available for Canon powershot digital cameras of the following models: The autobuild hosts these versions: • Camera: Firmware Versions • A2000: (beta) 1.00c, 1.00b (with 1.00c version) • A450: 1.00d • A460: 1.00d • A470: 1.00e, 1.01a, 1.01b, 1.02c • A530: 1.00a • A540: 1.00b • A550: 1.00c • A560: 1.00a • A570: 1.00e, 1.01a • A590: 1.00e, 1.01b • A610: 1.00d, 1.00e, 1.00f *1 • A620: 1.00f, 1.00e *9 • A630: 1.00c • A640: 1.00b • A650: 1.00d • A700: 1.00b • A710: 1.00a • A720: 1.00c • S2: 1.00e, 1.00f, 1.00g, 1.00i *2 • S3: 1.00a • S5: 1.01a, 1.01b • G7: 1.00e, 1.00g, 1.00i, 1.00j • G9: 1.00d, 1.00f, 1.00g, 1.00h, 1.00i *7 • SD30 (IXUS izoom): 1.00g • SD300 (IXUS 40): 1.00j, 1.00k • SD400 (IXUS 50): 1.01a, 1.01b • SD450 (IXUS 55): 1.00b, 1.00c, 1.00d • SD500 (IXUS 700): 1.01a, 1.01b • SD550 (