My test was with an older version same days ago (0.4 or 0.5). CHIMP saw both partitions on the sd card, but CHDK was only installed on the first partition. I will try the latest version. Then I will try give you more and better test result.
I see. You have two FAT32 partitions with CHDK installed on both. That should be supported with
more recent versions0.9.2 via the Switch partitions action (which currently requires CHIMP to be re-run).
Enjoy your vacation!
P.S. Would anyone over at CHDK-DE be willing to translate CHIMP?
Edit: I was wrong, that would bring about quite nasty consequences. See my next post.
Edit 2: Fixed in 0.9.2