I don't know about the OP, but if I wanted to boot from the floppy, CD, or 2nd HD on my thinkpad I would need to enter the bios. I have mine set to only boot from the primary HD and am especially careful to have it not check the floppy.
IME most of the time the computer is starting with a floppy in it is accidental and before I started doing this I'd even gotten one or two viruses from booting floppies before I could scan them (sit down, put floppy in, start computer - damn!). So anyway, it's more convient since you can start the computer with a data floppy in it and it's safer as well.