BIOS Update Utility for Windows 8 (32-bit, 64-bit), 7 (32-bit, 64-bit), Vista (32-bit, 64-bit), XP - ThinkPad T520 and T520i

Name
Operating System
Version
Released
Download Now
Checksum Data
BIOS Update Utility
exe
5.6 MB
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)
1.45
5/28/2015
README for BIOS Update CD
txtreadme
25.5 KB
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)
1.45
5/28/2015

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:

 

Supported ThinkPad Systems
  • T520, T520i

 

Supported 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

 

Summary of Changes

Where:

  • [Important] Important update
  • (New) New function or enhancement
  • (Fix) Correction to existing function

Version 1.45
UEFI: 1.45 / ECP: 1.36

  • [Important] Mitigate risk of security vulnerability related to DRAM Row Hammering.


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 (ECP ID)
Release
1.45 1.45 (8AET65WW)
1.36 (8AHT42WW)
       (8XHT42WW)
Current Release
1.44 1.44 (8AET64WW) 1.36 (8AHT42WW) 8auj25us.exe
8auj25us.txt
1.43 1.43 (8AET63WW) 1.36 (8AHT42WW)
1.36 (8XHT42WW)

8auj24us.exe
8auj24us.txt

1.42 1.42 (8AET62WW) 1.36 (8AHT42WW)
1.36 (8XHT42WW)
8auj23us.exe
8auj23us.txt
1.41 1.41 (8AET61WW)  

1.36 (8AHT42WW)
1.36 (8XHT42WW)

8auj22us.exe
8auj22us.txt
1.40 1.40 (8AET60WW) 1.35 (8AHT41WW)
1.35 (8XHT41WW)
8auj21us.exe
8auj21us.txt
1.39 1.39 (8AET59WW) 1.34 (8AHT40WW)
1.34 (8XHT40WW)
8auj20us.exe
8auj20us.txt
1.38 1.38 (8AET58WW) 1.34 (8AHT40WW)
1.34 (8XHT40WW) 
8auj19us.exe
8auj19us.txt
1.37 1.37 (8AET57WW) 1.33 (8AHT39WW)
1.33 (8XHT39WW) 
8auj18us.exe
8auj18us.txt
1.36 1.36 (8AET56WW) 1.20 (8AHT38WW)
1.20 (8XHT38WW)
8auj17us.exe
8auj17us.txt
1.35 1.35 (8AUJ16US) 1.19 (8AHT37WW) 
1.19 (8XHT37WW)
8auj16us.exe
8auj16us.txt
1.34 1.34 (8AET54WW) 1.19 (8AHT37WW)
1.19 (8XHT37WW)
8auj15us.exe
8auj15us.txt
1.33 1.33 (8AET53WW) 1.19 (8AHT37WW)
1.19 (8XHT37WW)
8auj14us.exe
8auj14us.txt
1.32 
1.32 (8AET52WW) 1.18 (8AHT36WW)
1.18 (8XHT36WW)
8auj13us.exe
8auj13us.txt
1.31 1.31 (8AET51WW) 1.17 (8AHT35WW)
1.17 (8XHT35WW)
8auj12us.exe
8auj12us.txt
1.30 1.30 (8AET50WW) 1.17 (8AHT35WW)
1.17 (8XHT35WW)
8auj11us.exe
8auj11us.txt
1.28 1.28 (8AET48WW) 1.16 (8AHT34WW)
1.16 (8XHT34WW)
8auj09us.exe
8auj09us.txt
1.27 1.27 (8AET47WW) 1.15 (8AHT33WW)
1.15 (8XHT33WW)
8auj08us.exe
8auj08us.txt
1.26 1.26 (8AET46WW) 1.15 (8AHT33WW)
1.15 (8XHT33WW)
8auj07us.exe
8auj07us.txt
1.25 1.25 (8AET45WW) 1.14 (8AHT32WW) 8auj06us.exe
8auj06us.txt
1.22 1.22 (8AET42WW) 1.13 (8AHT31WW) 8auj05us.exe
8auj05us.txt
1.21 1.21 (8AET41WW) 1.09 (8AHT27WW) 8auj04us.exe
8auj04us.txt
1.13 1.13 (8AET33WW) 1.06 (8AHT24WW) 8auj02us.exe
8auj02us.txt
1.11 1.11 (8AET31WW) 1.05 (8AHT23WW) 8auj01us.exe
8auj01us.txt

  • Alias ID: MIGR-77001, MIGR-77001-KR
  • Document ID:DS018810
  • Last Updated :28 May 2015
  • © 2015 Lenovo