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

15755
7/10/2026

Introduction

This download version 31.2.2 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

  • Microsoft Windows*
  • Size: 6.6 MB
  • SHA256: 42F829291BA0E3685843CA704573921E7FE8009A23252E477173BC6A0E7FAE7D
  • Linux*
  • Size: 3.2 MB
  • SHA256: A362BBEBF49B84CB4A645AA00BB54D2A05904C1D8092C914AD05F3F0B4A59528

Detailed Description

Purpose

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

Overview

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.