For the hard drive to be recognized, the DDO must be loaded during the boot sequence, where it installs a small program that replaces some of the BIOS’s drive access services with its own routines. In order to access the drive, the user must boot from the drive in which the overlay is installed.
Webopedia is an online information technology and computer science resource for IT professionals, students, and educators. Webopedia focuses on connecting researchers with IT resources that are most helpful for them. Webopedia resources cover technology definitions, educational guides, and software reviews that are accessible to all researchers regardless of technical background.
Advertise with TechnologyAdvice on Webopedia and our other IT-focused platforms.
Property of TechnologyAdvice.
© 2022 TechnologyAdvice. All Rights Reserved
Advertiser Disclosure: Some of the products that appear on this site are from companies from which TechnologyAdvice receives compensation. This compensation may impact how and where products appear on this site including, for example, the order in which they appear. TechnologyAdvice does not include all companies or all types of products available in the marketplace.