Unified Extensible Firmware Interface (UEFI)

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ACPI Sleep StateRequirementsWindows Vista requires S3 and S4 supportWindows Server Longhorn requires S4 supportFirmware must ensure that physical memory isconsistent across S4 sleep transitionsSize and location must both be maintainedRequired to restore physical memory across transitionWindows will fail to resume from S4 if these conditions notsatisfiedPhysical memory map retrieved via GetMemoryMap()interface
BCD DeploymentWindows stores boot settings in BootConfiguration Data (BCD) storeCommon abstraction for UEFI andBIOS platformsWindows Server 2003 had different mechanismsand no abstractionAlso allows access to UEFI NVRAM variablesAccess to BCD store available viaBCD WMI providerBCDEditExcellent web resources available
Page 1 and 2: Unified ExtensibleFirmware Interfac
Page 3 and 4: Agenda2 key audiences, 2 focusesInt
Page 5 and 6: What Is UEFI?UEFI runs in long-mode
Page 7 and 8: Why Is UEFI Important?Engineering e
Page 9 and 10: Windows Firmware RoadmapGoalsEnable
Page 11 and 12: Evolution Of UEFI(1 of 4)Late1990
Page 13 and 14: Evolution Of UEFI(3 of 4)2005Window
Page 15 and 16: UEFI Solutions Emerging…UEFIspeci
Page 17 and 18: Windows Support For ItaniumWindows
Page 19 and 20: Guidelines For BuildingA UEFI Platf
Page 21 and 22: Required Firmware ElementsMust supp
Page 23 and 24: DVD Media RequirementsWindows uses
Page 25 and 26: Network Boot RequirementsMust send
Page 27 and 28: GPT Disk Partitioning
Page 29 and 30: Firmware Boot RequirementsRequired
Page 31 and 32: Understanding GraphicsOutputRuntime
Page 33: Variable Services And WHEAWHEA Erro
Page 37 and 38: UEFI And Image DeploymentImage Depl
Page 39 and 40: Call To ActionUnderstand industry m
Page 41: © 2007 Microsoft Corporation. All

Unified Extensible Firmware Interface (UEFI)

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