Plug and Play BIOS Specifications and Functionalities
1.0 Overview
1.1 Objectives of a Plug and Play BIOS System
1.2 Improvements to Existing BIOS Architecture
1.3 Components of the Plug and Play BIOS System
1.3.1 Dual-mode Operation
1.3.2 Operating System Independence
1.3.3 Scalability
1.4 Installation Framework
2.0 System BIOS Initialization
2.1 System BIOS POST Requirements
2.1.1 Storage Requirements for System Board
2.1.2 Resource Management by System BIOS
2.1.3 Resource Isolation
2.1.4 Resource Allocation by System BIOS
2.2 Support for Plug and Play ISA Cards
2.2.1 CSN Assignment for Plug and Play ISA Cards
2.2.2 Initialization of Plug and Play ISA Cards
2.3 Initialization of BIOS POST Option ROM
2.4 Handoff to Operating System
2.5 POST Execution Sequence
3.0 Option ROM Support
3.1 Option ROM Header
3.2 Expansion Header for Plug and Play
3.3 Initialization of Option ROM
3.4 Flow of Option ROM Initialization
3.5 ISA Option ROMs and Resource Mapping
3.6 Error Recovery and Boot Flow
4.0 Configuration Support
4.1 System Device Configuration List
4.2 System Device Node Definitions
4.3 Functions of Plug and Play BIOS
4.4 Compliance Check for Plug and Play Installation
4.4.1 System BIOS Compliance - "$PnP"
4.5 System Configuration Interface
4.5.1 Function 0 - Retrieve Number of System Device Nodes
4.5.2 Function 1 - Retrieve System Device Node
4.5.3 Function 2 - Set System Device Node
4.6 Event Notification Interface
4.6.1 Function 3 - Get Event
4.6.2 Function 4 - Send Message
4.6.3 Function 5 - Retrieve Docking Station Information
4.6.4 Function 6 - Reserved
4.6.5 Function 7 - Reserved
4.6.6 Function 8 - Reserved
4.7 Extended Configuration Services
4.7.1 Function 9 - Set Statically Allocated Resource Information
4.7.2 Function 0Ah - Get Statically Allocated Resource Information
4.7.3 Function 40h - Retrieve Plug & Play ISA Configuration Structure
4.7.4 Function 41h - Retrieve Extended System Configuration Data (ESCD)
4.7.5 Function 42h - Read Extended System Configuration Data (ESCD)
4.7.6 Function 43h - Write Extended System Configuration Data (ESCD)
4.8 Power Management Services
4.8.1 Function 0Bh - Retrieve APM ID Table
Appendix A: Generic Option ROM Headers
Appendix B: Device Driver Initialization Model
Appendix C: Return Codes
1.1 Objectives of a Plug and Play BIOS System
1.2 Improvements to Existing BIOS Architecture
1.3 Components of the Plug and Play BIOS System
1.3.1 Dual-mode Operation
1.3.2 Operating System Independence
1.3.3 Scalability
1.4 Installation Framework
2.0 System BIOS Initialization
2.1 System BIOS POST Requirements
2.1.1 Storage Requirements for System Board
2.1.2 Resource Management by System BIOS
2.1.3 Resource Isolation
2.1.4 Resource Allocation by System BIOS
2.2 Support for Plug and Play ISA Cards
2.2.1 CSN Assignment for Plug and Play ISA Cards
2.2.2 Initialization of Plug and Play ISA Cards
2.3 Initialization of BIOS POST Option ROM
2.4 Handoff to Operating System
2.5 POST Execution Sequence
3.0 Option ROM Support
3.1 Option ROM Header
3.2 Expansion Header for Plug and Play
3.3 Initialization of Option ROM
3.4 Flow of Option ROM Initialization
3.5 ISA Option ROMs and Resource Mapping
3.6 Error Recovery and Boot Flow
4.0 Configuration Support
4.1 System Device Configuration List
4.2 System Device Node Definitions
4.3 Functions of Plug and Play BIOS
4.4 Compliance Check for Plug and Play Installation
4.4.1 System BIOS Compliance - "$PnP"
4.5 System Configuration Interface
4.5.1 Function 0 - Retrieve Number of System Device Nodes
4.5.2 Function 1 - Retrieve System Device Node
4.5.3 Function 2 - Set System Device Node
4.6 Event Notification Interface
4.6.1 Function 3 - Get Event
4.6.2 Function 4 - Send Message
4.6.3 Function 5 - Retrieve Docking Station Information
4.6.4 Function 6 - Reserved
4.6.5 Function 7 - Reserved
4.6.6 Function 8 - Reserved
4.7 Extended Configuration Services
4.7.1 Function 9 - Set Statically Allocated Resource Information
4.7.2 Function 0Ah - Get Statically Allocated Resource Information
4.7.3 Function 40h - Retrieve Plug & Play ISA Configuration Structure
4.7.4 Function 41h - Retrieve Extended System Configuration Data (ESCD)
4.7.5 Function 42h - Read Extended System Configuration Data (ESCD)
4.7.6 Function 43h - Write Extended System Configuration Data (ESCD)
4.8 Power Management Services
4.8.1 Function 0Bh - Retrieve APM ID Table
Appendix A: Generic Option ROM Headers
Appendix B: Device Driver Initialization Model
Appendix C: Return Codes
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