I want to put a zip drive on the same IDE channel as a CD-ROM drive, where do I put it? At the end of the cable, or the middle?

And if it's at the end of the chain, what jumper settings should I have for the CDROM and the zip itself?

Thanks a lot,
Dennis

PS: I've got a PII 350mhz w/ 128MB RAM. It doesn't have a hard drive, cdrom drive, or a floppy drive, about how much is that worth? A friend has an old P133 and might want to buy it.