Transcript SYS-003T Designing a simplified boot experience with modern firmware Tony Mangefeste Senior Program Manager Microsoft Corporation.

SYS-003T
Designing a simplified boot
experience with modern firmware
Tony Mangefeste
Senior Program Manager
Microsoft Corporation
Improving the boot
experience
POST
POST
OS Initialization
Service &
App Init
Service & App
Initialization
Post with highest supported
Seamless single graphics
native resolution
transition from firmware to
Clean, high-resolution branding
native OS driver
elements persist through OS boot
OEM
Logo
OEM
Logo
POST
Device
Init.
Hiber Resume
2s
4s
Explorer Init.
6s
7s
Terry Chen
Sr. Director of Engineering
Phoenix Technologies
Current disjoined boot experience
Explorer Ready
OS initialization
POST
Windows 8 proposed seamless boot experience
Explorer ready
POST
Hiber resume
Device S4 Init
Post-boot
Post-boot
OEM Options
POST
Hiber resume
Device S4 Init
Post-boot
Windows 8 provides the option for the OEM logo painted during POST is the same logo provided via
a new ACPI table
• Same requirement in previous page
• Provides consistent OEM logo even if OS wants to overrule the valid bit and repaint
• Windows 8 offers a new Portable Workspace concept
• Can install and run Windows 8 from an external USB
device with Windows 8–supported UEFI firmware
• Is an extension to existing WinPE boot-from-USB
• USB 3.0 will be more popular in 2012
• Using USB 3.0 devices gives a better Windows 8 experience
• Booting from USB devices is required for “Windows to Go”
•
Requires joint effort from different parties
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IHV for xHCI controllers
IHV for USB 3.0 devices
IBV for USB 3.0 boot firmware
Native Windows 8 USB 3.0 stack by Microsoft
Closing Remarks