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BIOS Update (Bootable CD) for Windows 8 (32-bit, 64-bit), 7 (32-bit, 64-bit), XP - ThinkPad X1, X1 Hybrid

BIOS Update (Bootable CD) for Windows 8 (32-bit, 64-bit), 7 (32-bit, 64-bit), XP - ThinkPad X1, X1 Hybrid

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), XP - ThinkPad X1, X1 Hybrid

31.325 MB
1.74

Windows 7 (32-bit)

Windows 7 (64-bit)

Windows 8 (32-bit)

Windows 8 (64-bit)

Windows XP (32-bit)

27 Jun 2018
Recommended

BIOS Update (Bootable CD)

8muj22us.iso

31.3 MB
1.74

Windows 7 (32-bit)

Windows 7 (64-bit)

Windows 8 (32-bit)

Windows 8 (64-bit)

Windows XP (32-bit)

27 Jun 2018
Recommended

README for BIOS Update (Bootable CD)

8muj22uc.txt

25.2 KB
1.74

Windows 7 (32-bit)

Windows 7 (64-bit)

Windows 8 (32-bit)

Windows 8 (64-bit)

Windows XP (32-bit)

27 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 as noted below.

Compatible Operating Systems

  • Microsoft Windows 8 32-bit, 64-bit
  • Microsoft Windows 7 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, the following type 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".)

  • USB

Note:

  • This program is language independent and can be used with any language system.
  • Please create the CD/DVD from the ISO image file and install it. The contents of the BIOS Update CD cannot be shown by Windows Explorer.

Use the link below to obtain the BIOS in other file formats:

Supported ThinkPad System

  • X1, X1 Hybrid

Summary of Changes

Where:

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

Version 1.74
 UEFI: 1.74 / ECP: 2.02

  • [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. (https://support.lenovo.com/product_security/home)

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
1.74 1.74 (8MET74WW) 2.02 (8MHT79WW)
2.02 (G0HT79WW)
Current release
1.73 1.73 (8MET73WW) 2.02 (8MHT79WW)
2.02 (G0HT79WW)
8muj21us.iso
8muj21uc.txt
1.72 1.72 (8MET72WW) 2.02 (8MHT79WW)
2.02 (G0HT79WW)
8muj20us.iso
8muj20uc.txt
1.71 1.71(8MET71WW) 2.02(8MHT79WW)
2.02(G0HT79WW)
8muj19us.iso
8muj19uc.txt
1.70 1.69(8MET70WW) 2.02(8MHT79WW)
2.02(G0HT79WW)
8muj18us.iso
8muj18uc.txt
1.69 1.69(8MET69WW) 2.02(8MHT79WW)
2.02(G0HT79WW)
8muj17us.iso
8muj17uc.txt
1.68 1.68(8MET68WW) 2.02(8MHT79WW)
2.02(G0HT79WW)
8muj16uc.iso
8muj16uc.txt
1.67 1.67(8MET67WW) 2.01(8MHT78WW)
2.01(G0HT78WW)
8muj15uc.iso
8muj15uc.txt
1.66 1.66(8MET66WW) 2.01(8MHT78WW)
2.01(G0HT78WW)
8muj14uc.iso
8muj14uc.txt
1.65 1.65(8MET65WW) 2.00(8MHT77WW)
2.00(G0HT77WW)
8muj13uc.iso
8muj13uc.txt
1.64 1.64(8MET64WW) 1.76(8MHT76WW)
1.12(G0HT24WW)
8muj12uc.iso
8muj12uc.txt
1.28 1.28(8MET28WW) 1.12(8MHT24WW)
1.12(G0HT24WW)
8muj10uc.iso
8muj10uc.txt
1.27 1.27(8MET27WW) 1.11(8MHT23WW)
1.11(G0HT23WW)
8muj09uc.iso
8muj09uc.txt
1.26 1.26(8MET26WW) 1.10(8MHT22WW)
1.10(G0HT22WW)
8muj08uc.iso
8muj08uc.txt
1.24 1.24(8MET24WW) 1.09(8MHT21WW)
1.09(G0HT21WW)
8muj07uc.iso
8muj07uc.txt
1.22 1.22(8MET22WW) 1.08(8MHT20WW)
1.08(G0HT20WW)
8muj05uc.iso
8muj05uc.txt
1.06 1.06(8MET18WW) 1.07(8MHT19WW)
1.07(G0HT19WW)
8muj04uc.iso
8muj04uc.txt
1.05 1.05(8MET17WW) 1.06(8MHT18WW) 8muj03uc.iso
8muj03uc.txt
1.03 1.03(8MET15WW) 1.05(8MHT17WW) 8muj02uc.iso
8muj02uc.txt
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Alias Id: MIGR-77409

Last Modified Date: 05 Mar 2020

Original Publish Date: 09 Nov 2016

Document ID: DS018224

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