I think I've solved the question myself. It's always good when you can do that. It's just a pity I didn't think about looking in my MoBo book before posting this thread. I'm sure you'll all be wanting to know the answer?
A - Yes it is compatible with my MoBo, when I looked at the 24 pin plug it said 'EATXPWR' well it hasn't actually got the hyphen between the 'E & A' but it's good enough for me and if the screw holes aren't in the correct places, I'll just bung it in the bottom of the case, I've got plenty of room.