There's nothing difficult about it, the CD part anyway. Buy a used CD on eBay for a few dollars and rip it onto your hard drive and then use chdman to convert it. If you're worried about the security cart chips too then I don't have a solution for you. If you buy it and open it up and tell me the chip type I could tell you a solution for dumping it but it would be more expensive than buying a full working SF3 board set.