Update: Linked to new version of DISKBOOT.BIN including addresses found by zfeet.
DisclaimerUse at your own risk and understand that this is
work in progress. It is possible that you encounter
data loss or any other
damage to your camera. It might also
eat your children!
If you're not intimidated by the above disclaimer, you can download the
DISKBOOT.BIN v.3 image for the A430. Note that some things are still deactivated as the camera is not yet fully ported. So don't hesitate to look out for the remaining constants (see my previous post).
The image can be started as usual: Put it in the root directory of your accordingly formatted SD card, lock the card, put the card into your camera, and press the power button. Alternatively, you can rename the image to PS.fir and start it from the firmware update menu (works only when camera is started in view mode).
Have fun!