When we flash bios or do something simple, we still using old MS-DOS.
but how we can create MS-DOS bootable disk with windows xp or vista?
well answer is we can create one from format option of xp or vista. but what if you like to have windows 98 MS-DOS bootable disk.
this is how to do.
Get image form http://www.allbootdisks.com
follow instruction how to do at allbootdisks.com
few bios update program hate HIMEM support. avoid MS-DOS load HIMEM,
edit config.sys to not load HIMEM.