Dell Power Edge T300 Booting to CD ROM Issues.

I am new to Server setups. I have so far figured out how setup my raid controller. But now I want to install the OS (Server 2003). The problem is when I select in the boot options to boot from the CD ROM, nothing happens. Just sits there. I know the CD ROM works, I pulled it put into another machine and tested it. I then put it back into the Server and insured all connections were securely ceded. Tried again, but no avail, it simply will not boot to the CD ROM. In the BIOS I can see the CD ROM and when I first power up the server the CD ROM spins up, but when I tell it to boot to the CD ROM nothing happens. What am I doing wrong? I search these forums and so far found nothing to help me. So any help would be greatly appreciated. Thank you.