The CDROM image was a firmware upgrade image from Dell (based on Linux). Mounting the image with iDRAC, it worked nicely. As one of the Servers had a dying iDRAC (Dell R320), I needed an USB stick.
Not sure about the Boot Manager, but you could just buy a cheap small thumb drive to use for booting. I just got five 16Mb USB thumb drives at CompUSA (as a package) for around $50.00, and gave them ...
Do you primarily use Windows 11 but want to have a quick look at a Linux distribution like Linux Mint? Well, booting from a live DVD or USB stick is a convenient solution. The advantage of this is ...