Cannot boot from scsi cdrom

I have a server with a scsi raid controller (for hard drives) and a scsi controller (for tape drive and cd-rom). I am trying to boot from the cd-rom but can't. During boot up, bootable media is detected in the cd-rom but the system will not boot from it. BIOS for the raid controller installs but not for the scsi controller. Is this part of the problem? Any help would be appreciated.

it would help to provide hardware details on the system and components you have and what error messages are displayed.