Unified Extensible Firmware Interface (UEFI) Support in Windows Vista and Longhorn Server

Extensible Firmware Interface (EFI) is the name for a system developed by Intel that is designed to replace the aging BIOS system used by personal computers. EFI will give the instruction for power-on self-test (POST) process, bootstrapping and loading the operating system, and providing an interface between the operating system and the physical hardware. Currently EFI specification is released from industry alliance Unified EFI Forum (UEFI) that includes Microsoft, AMD and HP, hence it’s also called UEFI.

The support for Unified Extensible Firmware Interface (UEFI) in Windows Vista and Longhorn Server will not be at launch. Instead it’s planned only by the end of 2007, on the subsequent release of Windows Vista, most likely in Service Park 1 or something that coincides with, or will be very close to, the launch of Windows Server Longhorn.

The UEFI technology advantages include faster boot times and available in 32-bit and 64-bit versions, whereas Bios is limited to 16 bits. Beside, UEFI also supports rich graphics during boot-up, eliminating text prompts and low quality images.

The current Windows Vista Beta 2 supports UEFI to allow developers and device manufacturers to test the technology, but will be stripped out at a later stage.

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This entry was posted on Friday, May 26th, 2006 at 11:15 pm and is filed under Operating Systems. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.