Thanks guys, I got OS3.9 on eventually!

I got it going by putting the CDROM onto the Amiga Mainboard IDE connecter as slave to the HD.
I'm now having problems with the Zorro cards....
It has a picasso 4, Ariadne net card and the buddah card connected to the mainboard by a MicroniK A4000 6960.
I installed the drivers for both the video and network card but when OS3.9 boots it complains it cant access the two resources.
Am I missing a step or does it sound like the Micronic board could be faulty? (I've reseated everything several times)
I got the drivers from amiga resource site.
Thanks again!