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.
- This program is language independent and can be used with any language system.
Use the link below to obtain the BIOS in other file formats:
- BIOS Bootable CD
- ThinkPad S531
Supported Operating Systems
- Microsoft Windows 10 64-bit
- Microsoft Windows 8.1 32-bit, 64-bit
- Microsoft Windows 8 32-bit, 64-bit
- Microsoft Windows 7 32-bit, 64-bit
- Microsoft Windows XP 32-bit
Summary of Changes
- < > Package version
- UEFI: UEFI BIOS version
- ECP: Embedded Controller Program version
- [Important] Important update
- (New) New function or enhancement
- (Fix) Correction to existing function
UEFI: 1.17 / ECP: 1.17
- [Important] Security fix addresses LEN-8324 System Management Mode (SMM) BIOS Vulnerability and some security fixes.
(Note) If the UEFI BIOS has been updated to version 1.17 or higher, it is no longer able to roll back to the version before 1.17 for security improvement.
- (New) Updated the Diagnostics module to version 2.09.09.
- (New) Updated the CPU microcode.
- (New) Updated the Computrace module to 945_VN.
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)
|Previous Package Version||BIOS ID||ECP ID||Release|
|1.17 (GKUJ14WW)||1.17 (GKET37WW)||1.17 (GKHT37WW)||Current Release
|1.16 (GKUJ13WW)||1.16 (GKET36WW)|| 1.16 (GKHT36WW)
|1.15 (GKUJ12WW)||1.15 (GKET35WW)
|1.14 (GKUJ11WW)||1.14 (GKET34WW)||1.14 (GKHT34WW)||gkuj11ww.exe
|1.12 (GKUJ09WW)||1.12 (GKET32WW)||1.12 (GKHT32WW)||gkuj09ww.exe
|1.11 (GKUJ08WW)||1.11 (GKET31WW)||1.11 (GKHT31WW)||gkuj08ww.exe
|1.09 (GKUJ06WW)||1.09 (GKET29WW)||1.09 (GKHT29WW)||gkuj06ww.exe
|1.07 (GKUJ05WW)||1.07 (GKET27WW)||1.07 (GKHT27WW)||gkuj05ww.exe
|1.04 (GKUJ02WW)||1.04 (GKET24WW)||1.04 (GKHT24WW)||gkuj02ww.exe