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El Torito Last modified: Tuesday, March 21, 2006

A bootable CD-ROM format specification that allows a computer to boot from a CD-ROM. El Torito was proposed by IBM and Phoenix Technologies. It is an extension to the ISO 9660 CD-ROM specification.

Phoenix Technologies Home page of Phoenix Technologies, makers of Phoenix BIOS. There are links to their latest press releases, product information, and technical support and library. El Torito Specification - January 1995 (PDF) This specification defines how makers of CD-ROMs can package several "images" of floppy and hard disks on a single CD with the ability to catalog these images and to selectively boot from any single image. Overview: The ISO 9660 File System This article describes the ISO 9660 file system format used on compact disc read only memory (CD-ROM). CD-ROMs have become so popular (and cheap) that its market share grew exponential over the last years.