System and method for supporting legacy operating system booting in a legacy-free system
US6961848B2 · kind B2 · utility
7Cited by
2References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 11, 2001 |
| Grant date | Nov 1, 2005 |
| Priority date | — |
| Expiry date | Aug 10, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F9/441
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An alternative boot methodology that begins with legacy-free firmware allows the peaceful coexistence of legacy-free and legacy option ROMs in a system. Legacy-free firmware provides a legacy-free boot path from system power up to operating system loading. This legacy-free boot path is independent of any legacy firmware. A legacy-free boot manager boots from an ordered list of OS loaders. If a legacy boot option is available, legacy-free drivers that have already been loaded may be stopped, and a legacy boot using legacy firmware may be initiated, without having to reboot the system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.