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



This download version 29.1 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

  • OS Independent, Microsoft Windows*
  • Size: 8 MB
  • SHA256: 865B718523BF77537190B02F9C531BAC83897DD09C330B5C0A5A3BC4B7379715
  • OS Independent, Linux*
  • Size: 4.7 MB
  • SHA256: 8FF964D8F2A3012C88E790643B3158B467CF3FC148E95EBAE7C8BB4310C2ADA6

Detailed Description


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.