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

15755
10/20/2025

Introduction

This download version 30.5 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: 6.3 MB
  • SHA256: 4C65FD7F2D3533A73FBA01665AF54E007BE4D601B3E6EAC385D9C34811DE3BAC
  • Linux*
  • Size: 3 MB
  • SHA256: 1DA14876DCD81871953B0938828AFE7D0A607A5F8F23C0AEACC08FE683D63B5C

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.