Guess what - I finally managed to make a backup work!
Jeees! These double swap things are fussy - used this method from
http://www.modchipworld.co.uk/playst...hips/x830.html Only difference was I waited 15 seconds before pressing X after putting original of DMC in. (Backup was Airblade on Verb with Primo at 2x) Couldn't make backup of DMC work, I assume cos no game has bigger TOC?
Will attempt to backup some of my other games and see how things go!!!!