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#11
From what I see, the media drive 0 is the primary drive. It has the System partition, which means it has the boot files on it.
I would take the DVD out so it won't confuse the situation. If you want to keep your media drive, it might be best to disconnect it.
Could you check the root directories of the XP, Win 7 and media drive for the hidden system files bootmgr and ntldr? Make note of where you find them. I am guessing they are in the Media drive, but also maybe one or the other will be on the XP or Win 7 drive.