Option ROM characterization
US7526578B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 17, 2006 |
| Grant date | Apr 28, 2009 |
| Priority date | — |
| Expiry date | Nov 16, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F9/4411
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Methods, apparatus, and computer program products are disclosed for option ROM characterization by establishing an isolating execution environment for an expansion adapter of a computer, the adapter having an option ROM containing initialization code for the adapter, executing the initialization code for the expansion adapter in the isolating execution environment, identifying operating characteristics of the option ROM, including characteristics of the option ROM unavailable prior to execution of the initialization code in the isolating execution environment, and allocating virtual memory address space in a normal execution environment of the computer to the option ROM of the expansion adapter in dependence upon the identified operating characteristics of the option ROM.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.