I recall that BabelCDFS is 1.3 compatible. Copy that to L:
What are you using for the IDE device driver? Is it in software or ROM? If it's software, copy it to Devs:.
Then you'll need a CD mountlist. You can probably borrow one from the aforementioned AmiCDFS package. Edit it to suit your device/unit and filesystem config and append it to Devs:Mountlist. That should do it, I think.