Ok gotten a little further, now getting:
Error: cIOS249rev18, cIOS222v4, cIOS223v4,cIOS224v5 or higher required for starting games from a FAT partition! Upgrade IOS249 or choose a different IOS
set_frag: -128
ERROR: SetWBFS: -128
So I looked that up, said to update the Hermes IOS, did that...