Thanks again, Conan
I've just downloaded trial versions of all three of those progs but they pose a slight problem in that they require a PDA interface to access the CF card - nothing there which works with camera cards.
As follow-up to these problems. I have just bought a job lot of 5 used CF cards and 2 unused similar. Trying them in the cameras, the used ones registered accurately on insertion and formatted in camera. The new ones both failed to register initially on one camera, but WERE subsequently formatted and recognised OK on the other (both Minoltas, by the way). They were accepted in the original camera after that.
The previously mentioned problem card still fails as a camera card but is fine in other applications.
"Curiouser and curiouser," said Alice
