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BIOS Update Bootable CD for Windows 8 (32-bit, 64-bit), 7 (32-bit, 64-bit), Vista (32-bit, 64-bit), XP - ThinkPad W520

BIOS Update Bootable CD for Windows 8 (32-bit, 64-bit), 7 (32-bit, 64-bit), Vista (32-bit, 64-bit), XP - ThinkPad W520

In This Article
Compatible Operating SystemsWhat's More
Available Drivers
File name
Size
Version
Operating System
Release Date
Severity
Options

BIOS Update Bootable CD for Windows 8 (32-bit, 64-bit), 7 (32-bit, 64-bit), Vista (32-bit, 64-bit), XP - ThinkPad W520

31.327 MB
1.46

Windows 7 (32-bit)

Windows 7 (64-bit)

Windows 8 (32-bit)

Windows 8 (64-bit)

Windows Vista (32-Bit)

Windows Vista (64-Bit)

Windows XP (32-bit)

Windows XP (64-bit)

26 Jun 2018
Recommended

BIOS Update Bootable CD

8buj25us.iso

31.3 MB
1.46

Windows 7 (32-bit)

Windows 7 (64-bit)

Windows 8 (32-bit)

Windows 8 (64-bit)

Windows Vista (32-Bit)

Windows Vista (64-Bit)

Windows XP (32-bit)

Windows XP (64-bit)

26 Jun 2018
Recommended

README

8buj25uc.txt

27.4 KB
1.46

Windows 7 (32-bit)

Windows 7 (64-bit)

Windows 8 (32-bit)

Windows 8 (64-bit)

Windows Vista (32-Bit)

Windows Vista (64-Bit)

Windows XP (32-bit)

Windows XP (64-bit)

26 Jun 2018
Recommended

Description

The BIOS Update CD can boot the computer disregarding the operating systems and update the UEFI BIOS (including system program and Embedded Controller program) stored in the ThinkPad computer to fix problems, add new functions, or expand functions.

Compatible Operating Systems

  • Microsoft Windows 8 32-bit, 64-bit
  • Microsoft Windows 7 32-bit, 64-bit
  • Microsoft Windows Vista 32-bit, 64-bit
  • Microsoft Windows XP Professional SP3

What's More

This package provides the ISO image file of UEFI BIOS which is compatible with CD/DVD/BD writing software to create the CD/DVD/BD for the UEFI BIOS update. Hereafter the CD/DVD/BD for the UEFI BIOS update is called as "BIOS Update CD".

The BIOS Update CD can boot the computer disregarding the operating systems and update the UEFI BIOS (including system program and Embedded Controller program) stored in the ThinkPad computer to fix problems, add new functions, or expand functions as noted below.

For that purpose, it is necessary to have the CD/DVD/BD writing software (with CD/DVD/BD creation function from the ISO image file) prepared separately.

Also, any one of the following types of CD-RW, CD-RW & DVD Combo, DVD, DVD Multi, BD or other optical drives should be prepared. (Hereafter these drives are called as "optical drive".) - ThinkPad internal - USB This program is language independent and can be used with any language system.

Use the links below to obtain the BIOS and Embedded Controller files in other file formats:

Supported ThinkPad System

  • W520

Summary of Changes

Where:

  • BIOS: BIOS version
  • ECP: Embedded Controller Program version
  • [Important] Important update
  • (New) New function or enhancement
  • (Fix) Correction to existing function

Version 1.46
UEFI: 1.46 / ECP: 1.36

  • [Important] Security fix addresses LEN-22133 Speculative Execution Side Channel Variants 4 and 3a (CVE-2018-3639, CVE-2018-3640). Refer to Lenovo's Security Advisory page for additional information.

Additional Information

Please refer to the README file for the following:

  • Installation Instructions
  • Determining Which Version is Installed
  • Complete list of summary of changes
  • Known limitations (if any)
Package UEFI BIOS ECP Release
1.46 1.46 (8BET65WW) 1.36 (8AHT42WW)
1.36 (8XHT42WW)
Current release
1.45 1.45 (8BET65WW) 1.36 (8AHT42WW)
1.36 (8XHT42WW)
8buj24us.iso
8buj24uc.txt
1.44 1.44 (8BET64WW) 1.36 (8AHT42WW)
1.36 (8XHT42WW)
8buj23us.iso
8buj23uc.txt
1.43 1.43 (8BET63WW) 1.36 (8AHT42WW)
1.36 (8XHT42WW)
8buj22us.iso
8buj22uc.txt
1.42 1.42 (8BET62WW) 1.36 (8AHT42WW)
1.36 (8XHT42WW)
8buj21uc.iso
8buj21uc.txt
1.41 1.41 (8BET61WW) 1.36 (8AHT42WW)
1.36 (8XHT42WW)
8buj20uc.iso
8buj20uc.txt
1.40 1.40 (8BET60WW)  1.36 (8AHT42WW)
1.36 (8XHT42WW)
8buj19uc.iso
8buj19uc.txt
1.39-1.35 1.39 (8BET59WW) 1.35 (8AHT41WW)
1.35 (8XHT41WW)
8buj18uc.iso
8buj18uc.txt
1.39 1.39 (8BUJ17US) 1.34 (8AHT40WW)
1.34 (8XHT40WW)
8buj17uc.iso
8buj17uc.txt
1.38 1.38 (8BET58WW)  1.34 (8AHT40WW)
1.34 (8XHT40WW)
8buj16uc.iso
8buj16uc.txt
1.37 1.37 (8BET57WW) 1.33 (8AHT39WW)
1.33 (8XHT39WW)
8buj15uc.iso
8buj15uc.txt
1.36 1.36 (8BET56WW) 1.20 (8AHT38WW)
1.20 (8XHT38WW)
8buj14uc.iso
8buj14uc.txt
1.35 1.35 (8BET55WW) 1.20 (8AHT38WW)
1.20 (8XHT38WW)
8buj13uc.iso
8buj13uc.txt
1.34 1.34 (8BET54WW) 1.19 (8AHT37WW)
1.19 (8XHT37WW)
8buj12uc.iso
8buj12uc.txt
1.33 1.33 (8BET53WW) 1.19 (8AHT37WW)
1.19 (8XHT37WW)
8buj11uc.iso
8buj11uc.txt
1.32 1.32 (8BET52WW) 1.18 (8AHT36WW)
1.18 (8XHT36WW)
8buj10uc.iso
8buj10uc.txt
1.30 1.30 (8BET50WW) 1.17 (8AHT35WW)
1.17 (8XHT35WW)
8buj09uc.iso
8buj09uc.txt
1.28 1.28 (8BET48WW) 1.17 (8AHT35WW)
1.17 (8XHT35WW)
8buj08uc.iso
8buj08uc.txt
1.26 1.26 (8BET46WW) 1.16 (8AHT34WW)
1.16 (8XHT34WW)
8buj06uc.iso
8buj06uc.txt
1.25 1.25 (8BET45WW) 1.15 (8AHT34WW)
1.15 (8XHT324WW)
8buj05uc.iso
8buj05uc.txt
1.25 1.25 (8BET44WW) 1.14 (8AHT32WW) 8buj04uc.iso
8buj04uc.txt
1.22 1.22 (8BET42WW) 1.13 (8AHT31WW) 8buj03uc.iso
8buj03uc.txt
1.21 1.21 (8BET41WW) 1.09 (8AHT27WW) 8buj02uc.iso
8buj02uc.txt
1.06 1.06 (8BET30WW) 1.06 (8AHT24WW) 8buj01uc.iso
8buj01uc.txt

 

 

 

 

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Alias Id: MIGR-77034

Last Modified Date: 05 Mar 2020

Original Publish Date: 07 Nov 2016

Document ID: DS018887

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