Hey guys, I happen to know the solution to his problem. It appears that some BIOS prefer Ipod rather than our installed RAID or even IDE/SATA drives and automatically put the Ipod as the preferred boot drive, what you need to do is to get into your BIOS, and under IDE Configuration or Boot setting, there is a Hard Drive Priority or something along the line of that, set your preferred booting HD to "First" and your Apple IPOD to "Second"
The random character should be the computer's attempt to read the "protected" sector of the Ipod hard drive, and since it finds no rational information, it outputs some junk.
It occured to me that it is possible to use a specifically configured IPod to hijack a system with log-in authentication, because the mobo will put it on automatic "preferred" boot drive
Good Luck!