I had a mishap with our PE 2850. Seems a drive got taken out and even though put back now it does not want to acknowledge the logical drive.  At any rate I was hoping to upgrade the bios and the OS. Now with this new issue I just need to load an OS period.

My issue is that this unit only appears to have a cd drive and not a dvd.  Is there a way to do what I am attempting from cd or even usb stick?  I have my OS on a stick drive which works fine on everything but this one server. 

Bios rev A01 

Any help would be greatly appreciated.