Help with X.B.I.T

[jjrbkab]

i'm kind of new at this so i have a couple of questions. i had a friend that put a xbit chip in my xbox and loaded all the bios for me. i added a second HDD to my xbox. the HDD i'm using now is a 80 gig, and the new one is a 120 gig. do i need to get seperate bios to use the second HDD. i'm not even really sure what bios i'm using. i have all the wires ready for the second HDD but havn't hooked it up yet. can someone please help me.