MS-DOS 7.10 LiveCD / BootCD for BIOS Flashing MS-DOS 7.10 LiveCD / BootCD for BIOS Flashing I tried using FreeDOS, but my BIOS Flasher says that it must run in MS-DOS mode, so I have created this LiveCD for MS-DOS BIOS Flashing.Download the RAR file and extract it. Use an ISO image editor to open the ISO file (I use UltraISO). Place all your DOS BIOS Flashing tools into the FLASH folder. You may want to delete the folder's contents first. Burn ISO image to disc. Boot directly to disc. Select option 1 to launch MS-DOS. When "A:\>" in Public bookmarkswith live-cdms-dos