Intel® Ethernet Connections Boot Utility, Preboot Images, and EFI Drivers



This download version 26.6 installs UEFI drivers, Intel® Boot Agent, and Intel® iSCSI Remote Boot images to program the PCI option ROM flash image and update flash configuration options.

Available Downloads

  • Size: 11.3 MB
  • SHA1: 7193D68FF2C38200FE693E4CB74CE0F518776632
  • Size: 7.5 MB
  • SHA1: CA50FE9CBA2B3C96D96656CF55F1BA9C89BEF1AD

Detailed Description

Note:  Please note that the version number "26.5" was skipped for this release and version number "26.6" was used instead.  Release 26.6 is the latest update to release 26.4.



This package contains software and drivers for pre-boot environments, including UEFI drivers, Intel® Boot Agent, and Intel® Ethernet iSCSI Remote Boot images.


The Intel® Ethernet Flash Firmware Utility (BootUtil) is used to update configurations and program the PCI option ROM on the flash memory of supported Intel PCI and PCI-Express*-based network adapters.  BootUtil replaces existing utilities and provides the functionality of the older IBAUTIL, ISCSIUTL, LANUTIL, and FLAUTIL. BootUtil supports all the adapters supported by the previous utilities.

See bootutil.txt for more information.

What 's new?

See the release notes and readme for what's new, operating systems support, user guides, known issues, and more.

Which file should I download?

  • PREBOOT.ZIP: Documentation, utilities, and boot images for Windows*, EFI, and DOS
  • Preboot.tar.gz : Documentation, utilities, and boot images for Linux*

This download is valid for the product(s) listed below.