Transcript 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.

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
Hiber Resume
2s
4s
Device
Init.
Explorer Init.
6s
7s
Enhancing security
Windows
Logon
POST
Firmware
OK?
BootMgr
OK?
Boot Critical
Drivers OK?
Secure Boot
Remediation /
Recovery
UEFI
Recovery?
NTOS Kernel
OK?
Last Resort
Factory Reset
Enterprise PXE
External media
Firmware Last
Resort
Reboot
Contact Support
Early Launch
Anti-malware
(ELAM)
Design guidance
Windows OS
ACPI Driver
Win32/NT APIs
UEFI OS Loader
BIOS OSUEFI
Loader
UEFI Runtime
Compatibility
SupportServices
Module (CSM)
Legacy BIOS
Platform Specific UEFI Firmware
ACPI
Registers
Firmware
System Hardware
ACPI BIOS
ACPI
Tables
Interface
Legacy BIOS
UEFI
x86 / X64 only
Agnostic
Mode
16 bit (real mode)
32/64 bit
Boot Partition
MBR (2.2 TB limit)
GPT (9.4 ZB* limit)
Runtime Services
No
Yes
Driver model
No
Yes
VGA
Graphical Output Protocol
(GOP)
Architecture
POST Graphics
* A zettabyte is equal to 1B terabytes. The total amount of global data was expected to pass 1.2 ZB sometime during 2010.
Recap
http://forums.dev.windows.com
http://bldw.in/SessionFeedback
http://www.uefi.org/
http://www.trustedcomputinggroup.org/
http://www.tianocore.sourceforge.net
http://msdn.microsoft.com/enus/windows/hardware/gg463149
http://msdn.microsoft.com/
http://www.intel.com/intelpress/sum_efi.htm
BACKUP
38.2% from top to middle of logo
Max 40%
Max 40%
This space reserved for OS