Making UEFI-enabled WINDOWS8 PE (4)

after introducing the principle that UEFI starts Windows, take a look at the "UEFI-enabled PE" authoring method. The traditional PE previously provided by this blog is not bootable on uefi computers, why? As you can guess from the previous article: The EFI file is missing. And according to the previous article, 32-bit UEFI environment can only start 32-bit PE , 64-bit UEFI environment can only start 64-bit PE. The current computer is basically 64-bit uefi, so this article is presented in 64-bit Windows 8 PE.

First review the boot process:

Legacy BIOS Boot PE: CD Boot information → \bootmgr → \boot\bcd → \...\boot.wim

UEFI BIOS boot PE:Disc Boot Information →\Bootmgr.efi→\efi\boot\Bootx64.efi→ \efi\microsoft\BOOT\BCD→\...\boot.wim

Therefore, production can support both Legacy BIOS can also support The UEFI BIOS-initiated PE must have all the files mentioned above and must also ensure that the Boot.wim file path pointed to by the BCD menu is correct.

Preparation conditions:

1.64-bit WINDOWS8 PE

2. Download tools and related documents

Production method:

1. Copy the "WinPE folder" in the "tools" to the e-packing directory (take the E-drive example).

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2. Copy all the files in Windows8 PE to the E:\winpe\ISO directory.

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3. Below we use Bootice This tool to edit the BCD menu to ensure that the BCD menu points to the correct Boot.wim file path.

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4. Use " Oscdimg.exe "package the ISO directory as a bootable disc image and run the command prompt."

Enter the command to switch to the E:\WINPE directory:

CD/D E:\WINPE

Enter command to make bootable ISO:

oscdimg.exe-m-o-u2-udfver102-lwindows8_pe_x64-bootdata:2#p00,e,bE:\winpe\BIOS.bin#pEF, E,bE:\winpe\UEFI.bin E:\winpe\ISO E:\winpe\PE. ISO

Comments:

Windows8_pe_x64 indicates the disc volume label;

E:\winpe\BIOS.bin says Legacy CD-ROM boot file under BIOS;

E:\winpe\UEFI.bin means UEFI CD-ROM boot file under BIOS;

E:\winpe\ISO indicates that a directory needs to be packaged;

E:\winpe\PE. The ISO represents the file name of the output.

--according to the PE made in this article can be started in the legacy BIOS and in the UEFI BIOS boot

Making UEFI-enabled WINDOWS8 PE (4)