Cdrom & burner on separate cables or together?

[podunkviller]

Originally posted by topcad
I know that if you are putting a slower harddisk on the same bus as your new harddisk then the both drive's will run on the speed of the slowest harddisk.

by that logic, putting a cd drive on the same with a hard drive would cause both to run at the same speed? ata 33 for a lot? im not inclined to believe this - philamber @ cdfreaks has told me otherwise