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BIOS Update Utility for Windows 8 (32-bit, 64-bit), 7 (32-bit, 64-bit), Vista (32-bit, 64-bit), XP - ThinkPad T420, T420i

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BIOS Update Utility

5589 KB
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)
1.46
7/17/2013
README for BIOS Update Utility

25.030 KB
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)
1.46
7/17/2013

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:

 

Contents
Supported ThinkPad Systems
Supported Operating Systems
Summary of Changes
Notes
Updating the UEFI BIOS
Initializing UEFI BIOS
Determining which version is installed
Memory map information
Known limitations

 

Supported ThinkPad systems
  • T420, T420i
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:

  • 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: 1.20

  • (New) Updated the CPU microcode.
  • (Fix) Corrected the help message for enabling the microphone in the BIOS Setup.

Version 1.45
UEFI: 1.45 / ECP: 1.20

  • (Fix) Fixed an issue where Windows Memory Diagnostics might fail with two memory modules installed.

Version 1.44
UEFI: 1.44 / ECP: 1.20

  • (Fix) Fixed an issue where no sound was heard from the ThinkPad internal speakers while the computer was locked when SmartAudio was set to
    Multi-stream mode and headphones or external speakers were attached to the computer. This fix is to follow Windows' behavior.
  • (Hints)
    1. To disable sound from the internal speakers in lock state, press the mute button on the keyboard.
    2. A beep sound may be heard when entering standby/sleep state, resuming normal operation from standby/sleep state,
      closing and opening the lid. To disable the beep sound, do either of the following settings.
      1. Open ThinkVantage Power Manager, select Switch to: [Advanced],
        select the Global Power Settings tab and uncheck the Beep when
        power state changes option.
      2. 1. Turn off and on the computer.
        2. While the "To interrupt normal startup, press the blue
        ThinkVantage button" message is displayed, press the F1 key.
        3. Select Config, then select Beep and Alarm.
        4. Set the Power Control Beep option to Disabled.
        5. Press the F10 key to save configuration and exit.
        6. Select Yes and restart the computer.

 

Note:
Please refer to the README file under the "File details" section for a complete list of changes fixed by this driver update.

 

Notes

If you use Windows Vista, before applying this BIOS into the system, you should install Windows Vista KB 937500.
The information of KB937500 is located in the following Microsoft's site. http://support.microsoft.com/kb/937500/en-us

To verify if KB937500 is installed properly,

  1. Click Start, then click Control Panel.
  2. Find 'Programs and Features' and click. If this option does not exist on
    the window, choose Classic View to find it.
  3. On 'Tasks' pane, click on "View installed updates".
  4. Verify that KB937500 is included in the list of installed updates.

 

Updating the UEFI BIOS

Notes:

  • If your computer runs satisfactorily now, it may not be necessary to update the UEFI BIOS. To determine if you should update the UEFI BIOS, refer to the Version information section.
  • You need an AC adapter and a charged battery pack.
  • Remove the Power-on password prior to updating the UEFI BIOS in the Remote Deployment Manager environments.

Attention:
Do not turn off or suspend the computer until the update has been completed. IF YOU DO THAT WHILE THE UPDATE IS STILL IN PROGRESS, THE SYSTEM BOARD MAY HAVE TO BE REPLACED.

Manual Update

This section assumes to use Internet Explorer and Windows Explorer.

[Downloading file]

  1. Click once on the underlined file name. Once this is done, some pop-up windows will appear.
  2. Follow the instructions on the screen.
  3. In the window to choose Run or Save, click the Save button.
  4. Choose the folder you would like to download the file to and click the Save button. A different window will appear and the download will begin and complete. Once the download has completed, there may or may not be a message stating that the download completed successfully.

[Extracting file]

  1. Make sure to be logged on with administrative account on the target computer.
  2. Make sure the AC adapter is firmly connected to the target computer.
  3. Locate the folder where the file was downloaded.
  4. Locate the file that was downloaded and double-click it.
  5. Follow the instructions on the screen.
  6. In the "Select Destination Location" window, click Next. If you would like to select a different folder, click Browse.
  7. In the "Ready to Install" window, click Install. All the necessary files will be extracted to the folder selected in the step 10.

[Updating the UEFI BIOS]

  1. Make sure the checkbox next to "Install ..... now" is checked and click Finish.
  2. Follow the instructions on the screen.
  3. Select Update ThinkPad BIOS and follow the instructions on the screen.
  4. After the update has been completed, the program shows a message 'Flash Update has been successfully completed...'. Follow the instructions on the screen to restart the computer.

Finally delete the file saved in Step 4.

Silent Update

Note: This is for system administrators' use only.

  1. Refer to the "Manual Update" section, and download and extract the file.
  2. In the step 12 of the "Installing files" section, uncheck the checkbox next to "Install ..... now", and then click Finish to cancel installation.
  3. At the command line, execute WINUPTP.EXE with the -s option.
    Example: [Path where the files were extracted]\WINUPTP -s

To view the update result, refer to the WINUPTP.log file created at the same directory of the package.

Initializing UEFI BIOS

Note:
After initialization you may need to reapply some settings that you had changed previously.

UEFI BIOS Initialization is suggested for some problems. To initialize the UEFI BIOS settings:

[Windows 8]

  1. Turn on the computer to start Windows.
  2. Hold down the Windows logo key and press C to open the Charm bar on the screen.
  3. Select Settings, then Power from the menu.
  4. Select Reboot to restart the computer.

[Windows 7/Vista/XP]

  1. Turn off the computer.
  2. Turn on the computer.
  3. Go to the step 5.
  1. While the "To interrupt normal startup, press the blue ThinkVantage button" message is displayed at the lower-left area of the screen, press the F1 key. The ThinkPad Setup menu will be displayed. If a password prompt appears, type the correct password.
  2. Press the F9 key to load default configuration.
  3. Select Yes.
  4. Press the F10 key to save default configuration and exit.
  5. Select Yes.
  6. Restart the computer.

Note: After initialization you may need to reapply some settings that you had changed previously.

Determining Which Version is Installed

There are two ways to check the UEFI BIOS version and BIOS ID.

Checking on Windows


[ Windows 8]

  1. Hold down the Windows logo key and press X to open a menu at the lower-left area of the screen.
  2. Select Control Panel from the menu.
  3. Make sure "View by Category" is selected, and select System and Security, select Administrative Tools, and then select System Information.
    - or -
  1. Select Run from the menu.
  2. Type msinfo32, and press Enter.
  3. On the System Information window, make sure System Summary is selected in the left side of the window.
  4. Locate the BIOS version/date line in the right side of the window. "LENOVO BIOS ID (BIOS version), date" will be shown.

If you are prompted for an administrator password or confirmation, type your password, or click Continue.

[Windows 7/Vista]

  1. Click Start, click All Programs or Programs, click Accessories, click System Tools and then click System Information.
    - or -
    Click Start, type msinfo32 in the Start Search box and then click msinfo32 in the Programs list.
  2. On the "System Information" window, make sure System Summary is selected in the left side of the window.
  3. Locate the BIOS version/date line in the right side of the window.
    "LENOVO BIOS ID (BIOS version), date" will be shown.

If you are prompted for an administrator password or confirmation, type your password, or click Continue.

[Windows XP]

  1. Click Start, click All programs, click Accessories, click System Tools and then click System Information.
    - or -
    Click Start, click Run, type msinfo32 in the Open box and then click OK.
  2. On the "System Information" window, make sure System Summary is selected in the left side of the window.
  3. Locate the BIOS version/date line in the right side of the window.
    "LENOVO BIOS ID (BIOS version), date" will be shown.
Checking on ThinkPad Setup

[Windows 8]

  1. Turn on the computer to start Windows.
  2. Hold down the Windows logo key and press C to open the Charm bar on the screen.
  3. Select Settings, then Power from the menu.
  4. Select Reboot to restart the computer.

[Windows 7/Vista/XP]

  1. Turn off the computer.
  2. Turn on the computer.
  3. Go to the step 5.
  1. While the "To interrupt normal startup, press the blue ThinkVantage button"
    message is displayed at the lower-left area of the screen, press the F1 key.
    The ThinkPad Setup menu will be displayed. If a password prompt appears,
    type the correct password.
  2. Locate the UEFI BIOS Version line and Embedded Controller Version line.
    "UEFI BIOS version (BIOS ID)" will be shown on the UEFI BIOS Version line.
  3. Turn off the computer.

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 (83ET76WW) 1.20 (83HT30WW)
1.20 (8WHT30WW)
Current release
1.45 1.45 (83ET75WW) 1.20 (83HT30WW)
1.20 (8WHT30WW)
83uj27us.exe
83uj27us.txt
1.44 1.44 (83ET74WW) 1.20 (83HT30WW)
1.20 (8WHT30WW)
83uj26us.exe
83uj26us.txt
1.43 1.43 (83UJ25US) 1.20 (83HT30WW)
1.20 (8WHT30WW)
83uj25us.exe
83uj25us.txt
1.42 1.42 (83UJ24US) 1.19 (83HT29WW)
1.19 (8WHT29WW)
83uj24us.exe
83uj24us.txt
1.41 1.41 (83UJ23US) 1.19 (83HT29WW)
1.19 (8WHT29WW)
83uj23us.exe
83uj23us.txt
1.40 1.40 (83ET70WW) 1.19 (83HT29WW)
1.19 (8WHT29WW)
83uj22us.exe
83uj22us.txt
1.39 1.39 (83ET69WW) 1.18 (83HT28WW)
1.18 (8WHT28WW)
83uj21us.exe
83uj21us.txt
1.37 1.37 (83ET67WW) 1.11 (83HT27WW)
1.11 (8WHT27WW)
83uj20us.exe
83uj20us.txt
1.36 1.36 (83ET66WW) 1.11 (83HT27WW)
1.11 (8WHT27WW)
83uj19us.exe
83uj19us.txt
1.35 1.35 (83ET65WW) 1.11 (83HT27WW)
1.11 (8WHT27WW)
83uj18us.exe
83uj18us.txt
1.34 1.34 (83ET64WW) 1.11 (83HT27WW)
1.11 (8WHT27WW)
83uj17us.exe
83uj17us.txt
1.33-1.10 1.33 (83ET63WW) 1.10 (83HT26WW)
1.10 (8WHT26WW)
83uj16us.exe
83uj16us.txt
1.33 1.33 (83ET63WW) 1.09 (83HT25WW)
1.09 (8WHT25WW)
83uj15us.exe
83uj15us.txt
1.32 1.32 (83ET62WW) 1.09 (83HT25WW)
1.09 (8WHT25WW)
83uj14us.exe
83uj14us.txt
1.30 1.30 (83ET60WW) 1.08 (83HT24WW)
1.08 (8WHT24WW)
83uj12us.exe
83uj12us.txt
1.29 1.29 (83ET59WW) 1.08 (83HT24WW)
1.08 (8WHT24WW)
83uj11us.exe
83uj11us.txt
1.28 1.28 (83ET58WW) 1.08 (83HT24WW)
1.08 (8WHT24WW)
83uj10us.exe
83uj10us.txt
1.27 1.27 (83ET57WW) 1.08 (83HT24WW)
1.08 (8WHT24WW)
83uj09us.exe
83uj09us.txt
1.26 1.26 (83ET56WW) 1.08 (83HT24WW) 83uj08us.exe
83uj08us.txt
1.23 1.23 (83ET53WW) 1.07 (83HT23WW) 83uj06us.exe
83uj06us.txt
1.22 1.22 (83ET52WW) 1.07 (83HT23WW) 83uj05us.exe
83uj05us.txt
1.15 1.15 (83ET45WW) 1.06 (83HT22WW) 83uj03us.exe
83uj03us.txt

 

Known Limitations
  • After backing up a Windows XP system to a hard drive connected to the e-SATA port through Rescue and Recovery, when attempting to restore the backup image from the e-SATA hard drive through Rescue and Recovery, a blue screen error occurs. Rescue and Recovery can not access the e-SATA hard drive.

 

Memory map information
Reserved area

The following conventional memory addresses are reserved by the UEFI BIOS and others.

Intel HD Graphics model and NVIDIA NVS 4200M installed model

  • C0000-CFFFF : Reserved for Video BIOS
  • D0000-D0FFF : Reserved for Option ROM of Ethernet (*a)
  • E0000-FFFFF : Reserved for System BIOS

NVIDIA NVS 4200M installed model (Discrete Graphics mode)

  • C0000-CEDFF : Reserved for Video BIOS
  • D0000-D0FFF : Reserved for Option ROM of Ethernet (*a)
  • E0000-FFFFF : Reserved for System BIOS

*a: This area will be released in case of Ethernet LAN Option ROM was NOT used at system boot.

 

Usable area

The following memory address can be used by the memory manager such as EMM386.

Intel HD Graphics model and NVIDIA NVS 4200M installed model

  • D0000-DFFFF or D1000-DFFFF (*b)

NVIDIA NVS 4200M installed model (Discrete Graphics mode)

  • CEF00-CFFFF
  • D0000-DFFFF or D1000-DFFFF (*b)

*b: Memory address will be changed to D1000-DFFFF when Ethernet LAN Option ROM was used at system boot.

Note:
Certain addresses in this area will be reserved for optional devices by Operating Systems. The addresses vary and depend on the design of each Operating System.