I see this question posed in forums but the discussion always moves to creating a MacOS system disk or how to use keyboard shortcuts during boot to force boot from removable media.
I want to create a data CD/DVD that will be bootable on intel hardware. I'm looking at a diagnostic software similar to Spinrite that needs to be the boot media. I would prefer to burn it with TOAST on the Mac but I can use VMWare to bring up a Windows environment to burn from if nothing else will work.
I am familiar with how to burn CDs and DVDs. Have been doing it for years. It's setting the bootable bit (El Torito) that I am unfamiliar with.