Can I install operating systems from DVD if there is no current operating system already?
• Windows NT can be installed from DVD. You must first create boot diskettes using the DVD as outlined in Knowledge Base article Q131735. The DVD drive must also be the first (primary/master) drive on the system. Note that none of the DVDs are bootable. • MS-DOS, Windows 95, and Window 98 cannot be installed from DVD using a boot diskette that installs real-mode device drivers to access a local DVD-ROM drive. This is because real-mode device drives use the MSCDEX interface, and MSCDEX uses the MM:SS:FF format (minutes, seconds, and frames) to access information on CDs and DVDs. Because DVDs hold more than 99 minute’s worth of data, any data in sectors beyond that limit cannot be read, so only a fraction of the data on a DVD is accessible within MS-DOS.
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