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Using the Image Prepare System › OS Image Detailed Information › Boot Image

Boot Image

The description file for a boot image is stored in the <image store>\images\dosboot\undi\<boot_image_name>.

The description file for a boot image contains a [BootImage] section with the following parameters:

Imageflags

Defines the features or properties of the boot image. The value of this property can contain a comma-separated list of key words.

Note: The key words are case-sensitive.

Following tables provides the list of key words that you can use with this parameter:

Keyword

Definition

F140-2

Specifies that the image can accept parameters in FIPS-compliant encryption only

DosTftp

Specifies that the image is DOS-based and supports installation through TFTP mode

DosLm

Specifies that the image is DOS-based and supports installation through share mode

Note: This key word cannot be combined with the key word F140-2 as DOS images are not FIPS-compliant.

PeTftp

Specifies that the image is WinPE-based and supports installation through TFTP mode

PeLm

Specifies that the image is WinPE-based and supports installation through share mode

Pe2Lm

Specifies that the image is WinPE20-based or WinPE30-based and supports installation through share mode

Pe64Tftp

Specifies that the image is WinPEx64-based and supports installation through TFTP mode

Pe64Lm

Specifies that the image is WinPEx64-based and supports installation through share mode

DosLmT

Specifies that the image is DOS-based and uses TFTP in share mode. When CA ITCM is operating in FIPS-only mode, use this key word for Linux OS installations that use DOS‑based boot images

Boottype

Specifies the type of the boot image. Following are valid values:

For LinuxPEx64, See Create and Register a Boot Image using DSM Explorer

Bootimagedir

Specifies the directory that contains boot image files.

Bootloader

Specifies the network loader for the boot image, which is stored in the directory specified in Bootimagedir.

Switchfile

Specifies that the boot server must switch to the next boot image or boothd if the specified file is downloaded from Bootimagedir.

Sample winpe2.2 file:

[BootImage]

Imageflags
Boottype=WinPE2
Bootimagedir=winpe2.2
Bootloader=pxeboot.n12
Switchfile=winpe.wim