Unable to Load New OS on Proliant DL360 G3

[Mspec]

I have an old Proliant DL360 G3 that I bought for testing linux and I can't get the server to boot/install any OS from any media (CD/DVD) except what was originally on it - Server 2003.  The unit will boot from other CD's such as Hiren's Bootdisk and other bootable disks, just not any disk with an OS (Linux or Windows) other than 2003.

I have selected F9 and set the OS section to all the possible settings but it still don't see a bootable CD/DVD.  Keep in mind I can take the CD/DVD and boot any other PC or server from it like I am going to install the OS and it works. Just not on the DL360.

What Am I missing here?

Thanks. Mspec