do i need a mod chip to play backups or can i just install a bios? or both??

[YSR]

wondering if you have to get a chip and install a bios or can i just install a bios on my xbox without a chip.

[AXmichigan]

u cant install the bios
its already on the xbox
u can override it usin a chip
or if u want, u could do the exploits