BIOS Update Utility for Windows 8 (32-bit, 64-bit), 7 (32-bit, 64-bit), Vista (32-bit, 64-bit), XP - ThinkPad W520
Available Drivers
BIOS Update Utility for Windows 8 (32-bit, 64-bit), 7 (32-bit, 64-bit), Vista (32-bit, 64-bit), XP - ThinkPad W520
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)
BIOS Update Utility
8buj25us.exe
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)
README for BIOS Update Utility
8buj25us.txt
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)
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.- ThinkPad W520
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
Supported ThinkPad system
- W520
Summary of Changes
Where:
- [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.exe 8buj24us.txt |
1.44 | 1.44 (8BET64WW) | 1.36 (8AHT42WW) 1.36 (8XHT42WW) |
8buj23us.exe 8buj23us.txt |
1.43 | 1.43 (8BET63WW) | 1.36 (8AHT42WW) 1.36 (8XHT42WW) |
8buj22us.exe 8buj22us.txt |
1.42 | 1.42 (8BET62WW) | 1.36 (8AHT42WW) 1.36 (8XHT42WW) |
8buj21us.exe 8buj21us.txt |
1.41 | 1.41 (8BET61WW) | 1.36 (8AHT42WW) | 8buj20us.exe 8buj20us.txt |
1.40 | 1.40 (8BET60WW) | 1.36 (8AHT42WW) | 8buj19us.exe 8buj19us.txt |
1.39-1.35 | 1.39 (8BET59WW) | 1.35 (8AHT41WW) 1.35 (8XHT41WW) |
8buj18us.exe 8buj18us.txt |
1.39-1.35 | 1.39 (8BET59WW) | 1.35 (8AHT41WW) 1.35 (8XHT41WW) |
8buj18us.exe 8buj18us.txt |
1.39 | 1.39 (8BUJ17US) | 1.34 (8AHT40WW) 1.34 (8XHT40WW) |
8buj17us.exe 8buj17us.txt |
1.38 | 1.38 (8BET58WW) | 1.34 (8AHT40WW) 1.34 (8XHT40WW) |
8buj16us.exe 8buj16us.txt |
1.37 | 1.37 (8BET57WW) | 1.33 (8AHT39WW) 1.33 (8XHT39WW) |
8buj15us.exe 8buj15us.txt |
1.36 | 1.36 (8BET56WW) | 1.20 (8AHT38WW) 1.20 (8XHT38WW) |
8buj14us.exe 8buj14us.txt |
1.35 | 1.35 (8BET55WW) | 1.20 (8AHT38WW) 1.20 (8XHT38WW) |
8buj13us.exe 8buj13us.txt |
1.34 | 1.34 (8BET54WW) | 1.19 (8AHT37WW) 1.19 (8XHT37WW) |
8buj12us.exe 8buj12us.txt |
1.33 | 1.33 (8BET53WW) | 1.19 (8AHT37WW) 1.19 (8XHT37WW) |
8buj11us.exe 8buj11us.txt |
1.32 | 1.32 (8BET52WW) | 1.18 (8AHT36WW) 1.18 (8XHT36WW) |
8buj10us.exe 8buj10us.txt |
1.30 | 1.30 (8BET50WW) | 1.17 (8AHT35WW) 1.17 (8XHT35WW) |
8buj09us.exe 8buj09us.txt |
1.28 | 1.28 (8BET48WW) | 1.17 (8AHT35WW) 1.17 (8XHT35WW) |
8buj08us.exe 8buj08us.txt |
1.26 | 1.26 (8BET46WW) | 1.16 (8AHT34WW) 1.16 (8XHT34WW) |
8buj06us.exe 8buj06us.txt |
1.25 | 1.25 (8BET45WW) | 1.15 (8AHT33WW) 1.15 (8XHT33WW) |
8buj05us.exe 8buj05us.txt |
1.25 | 1.25 (8BET44WW) | 1.14 (8AHT32WW) | 8buj04us.exe 8buj04us.txt |
1.22 | 1.22 (8BET42WW) | 1.13 (8AHT31WW) | 8buj03us.exe 8buj03us.txt |
1.21 | 1.21 (8BET41WW) | 1.09 (8AHT27WW) | 8buj02us.exe 8buj02us.txt |
1.06 | 1.06 (8BET30WW) | 1.06 (8AHT24WW) | 8buj01us.exe 8buj01us.txt |
Your feedback helps to improve the overall experience
Alias Id: MIGR-77033
Last Modified Date: 05 Mar 2020
Original Publish Date: 07 Nov 2016
Document ID: DS018884