The Boot Disk v2.4 ISO or image file was burned to a CD-R or deployed onto a bootable USB thumb drive using utilities like Rufus or HP USB Disk Storage Format Tool.
It helps developers and modders place the DVD drive into a vendor mode to extract the unique DVD key. Xbox 360 boot disk v2.4
Because managing an MS-DOS boot disk on modern PC hardware is incredibly difficult due to the phasing out of Legacy IDE controllers, the retro-gaming community has largely transitioned away from old v2.4 boot files. The Boot Disk v2