BIOS Update Utility for Windows 8 (32-bit, 64-bit), 7 (32-bit, 64-bit), Vista (32-bit, 64-bit), XP - ThinkPad T420s, T420si
Available Drivers
BIOS Update Utility for Windows 8 (32-bit, 64-bit), 7 (32-bit, 64-bit), Vista (32-bit, 64-bit), XP - ThinkPad T420s, T420si
Windows 8 (32-bit)
Windows 8 (64-bit)
Windows 7 (32-bit)
Windows 7 (64-bit)
Windows Vista (32-Bit)
Windows Vista (64-Bit)
Windows XP (32-bit)
BIOS Update Utility
8cuj24us.exe
Windows 8 (32-bit)
Windows 8 (64-bit)
Windows 7 (32-bit)
Windows 7 (64-bit)
Windows Vista (32-Bit)
Windows Vista (64-Bit)
Windows XP (32-bit)
README for BIOS Update Utility
8cuj24us.txt
Windows 8 (32-bit)
Windows 8 (64-bit)
Windows 7 (32-bit)
Windows 7 (64-bit)
Windows Vista (32-Bit)
Windows Vista (64-Bit)
Windows XP (32-bit)
Description
This package updates 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 Devices
Supported ThinkPad Systems
- T420s, T420si
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 updates 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.
Use the link below to obtain the BIOS in other file formats:
- BIOS Bootable CD
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 1.46
UEFI: 1.46 / ECP: 1.21
- [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)
The following versions of UEFI BIOS and ECP (Embedded Controller Program) have been released to date.
Package | UEFI BIOS | ECP | Release |
---|---|---|---|
1.46 | 1.46 (8CET66WW) | 1.21 (8CHT28WW) 1.21 (8YHT28WW) |
Current release |
1.45 | 1.45 (8CET65WW) | 1.21 (8CHT28WW) 1.21 (8YHT28WW) |
8cuj23us.exe 8cuj23us.txt |
1.44 | 1.44 (8CET64WW) | 1.21 (8CHT28WW) 1.21 (8YHT28WW) |
8cuj22us.exe 8cuj22us.txt |
1.43 | 1.43 (8CET63WW) | 1.21 (8CHT28WW) 1.21 (8YHT28WW) |
8cuj21us.exe 8cuj21us.txt |
1.41 | 1.41 (8CET61WW) | 1.21 (8CHT28WW) 1.21 (8YHT28WW) |
8cuj20us.exe 8cuj20us.txt |
1.39 | 1.39 (8CET59WW) | 1.21 (8CHT28WW) 1.21 (8YHT28WW) |
8cuj19us.exe 8cuj19us.txt |
1.38 | 1.38 (8CET58WW) | 1.21 (8CHT28WW) 1.21 (8YHT28WW) |
8cuj18us.exe 8cuj18us.txt |
1.37 | 1.37 (8CET57WW) | 1.21 (8CHT28WW) 1.21 (8YHT28WW) |
8cuj17us.exe 8cuj17us.txt |
1.36 | 1.36 (8CET56WW) | 1.21 (8CHT28WW) 1.21 (8YHT28WW) |
8cuj16us.exe 8cuj16us.txt |
1.35 | 1.35 (8CET55WW) | 1.20 (8CHT27WW) | 8cuj15us.exe 8cuj15us.txt |
1.34 | 1.34 (8CET54WW) | 1.20 (8CHT27WW) | 8cuj14us.exe 8cuj14us.txt |
1.31 | 1.33 (8CET53WW) | 1.19 (8CHT26WW) 1.19 (8YHT26WW) |
8cuj13us.exe 8cuj13us.txt |
1.31 | 1.31 (8CET51WW) | 1.12 (8CHT25WW) 1.12 (8YHT25WW) |
8cuj12us.exe 8cuj12us.txt |
1.30 | 1.30 (8CET50WW) | 1.12 (8CHT25WW) 1.12 (8YHT25WW) |
8cuj11us.exe 8cuj11us.txt |
1.29 | 1.29 (8CET49WW) | 1.11 (8CHT24WW) 1.11 (8YHT24WW) |
8cuj10us.exe 8cuj10us.txt |
1.28 | 1.28 (8CET48WW) | 1.10 (8CHT23WW) 1.10 (8YHT23WW) |
8cuj09us.exe 8cuj09us.txt |
1.25 | 1.25 (8CET45WW) | 1.09 (8CHT22WW) 1.09 (8YHT22WW) |
8cuj06us.exe 8cuj06us.txt |
1.13 | 1.13 (8CET36WW) | 1.08 (8CHT21WW) 1.08 (8YHT21WW) |
8cuj05us.exe 8cuj05us.txt |
1.12 | 1.12 (8CET35WW) | 1.07 (8CHT20WW) | 8cuj04us.exe 8cuj04us.txt |
1.09 | 1.09 (8CET32WW) | 1.05 (8CHT18WW) | 8cuj03us.exe 8cuj03us.txt |
1.05 | 1.05 (8CET28WW) | 1.03 (8CHT16WW) | 8cuj01us.exe 8cuj01us.txt |
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Alias Id: MIGR-77010
Last Modified Date: 05 Mar 2020
Original Publish Date: 26 Oct 2016
Document ID: DS014992