Unsupported Browser Detected

The Lenovo Support website supports Microsoft Internet Explorer 10+, Mozilla Firefox 29+, Chrome 34+ and any other modern web browser.

      Summary of changes for BIOS update - ThinkPad Z61e, Z61m, Z61p, Z61t

      Summary of changes

      Version 7FETA9WW (2.27)
      BIOS: 2.27 / ECP: 1.08

      • (New) Updated the Computrace part in the BIOS.
      • (Fix) Fixed an issue where the computer might not start when a new ThinkPad Hard Drive Bay Adapter was installed in the Docking Station.

      Version 7FETA8WW (2.26)

      • (Fix) (On Windows Vista) The Fn+Home/End key operation to adjust the screen brightness does not work when the lid is closed to enter sleep mode with battery-powered and the AC adapter is attached to the computer with the lid closed and then the lid is opened to resume normal operation.

      Version 7FETA7WW (2.25)

      • (New) Enhancement of security function.
      • (Fix) The hard disk password of hard disk installed in the Docking Station can not be replaced with your fingerprint.
      • (Fix) The computer may hang while formatting CardBus ATA drive on Windows Vista 64-bit SP1.

      Version 7FETA6WW (2.24)

      • (New) Added the new BIOS Setup option to avoid system hang even if the AC adapter is removed from the ThinkPad Advanced Mini Dock while the computer is attached to it.
        • *How to enable: Set the Legacy Devices on Mini-Dock option to 'Disabled' of Docking Station of Config in BIOS Setup menu.
        • *Note: A serial and a parallel port on the Mini-Dock will be disabled with this setup.
      • (Fix) Wake on LAN (WOL) may fail.

      Version 7FETA5WW (2.23)

      • (New) A design change that the screen is set to extended desktop mode with an external display and "When I close the lid of my portable computer" option in the power option is set to "Do nothing", and when the lid is closed;
        • (Old) The extended display mode is canceled and video output is switched to the external display only, so icons on the desktop will be moved.
        • (New) The extended display mode is kept and video output is not switched, so icons on the desktop are not moved.

      Version 7FETA4WW (2.22)

      • (New) Function enhancement of capturing the BIOS configuration information on the computer by BIOS Settings Capture/Playback Utility.
      • (Fix) Once a fingerprint matching fails on the fingerprint sensor at power-on time, a power-on password prompt may appear immediately without retries of fingerprint detection.
      • (Fix) Fingerprint matching fails on the fingerprint sensor at power-on time if a USB device is detached from the computer during fingerprint's authentication.
      • (Fix) The computer may hang at the power-on if device configuration is changed in the BIOS Setup immediately after resuming normal operation from hibernation mode.
      • (Fix) An error may occur at the power-on after ThinkPad BIOS Settings for Windows runs and then the computer goes into hibernation mode.

      Version 7FETA3WW (2.21)

      • (New) (AMD video models only) Support for a new type of video memory.
        Note: By this update, downgrading the BIOS to the version 2.1 or lower can not be done on the AMD video models.
      • (Fix) (AMD video models only) Flicker may occur on the specific external display.
      • (Fix) The computer may not resume from suspend mode when a USB mouse is connected to it on Windows Vista.
      • (Fix) When running on battery power, high pitch noise sound may be audible while a USB1.1 device is connected.

      Version 7FETA0WW (2.18)

      • (New) Support for Intel Virtualization Technology. A new Intel Virtualization Technology option is added to the CPU of the Config menu in BIOS Setup Utility.
        Note: The option is set to "disabled" after the BIOS update.
      • (Fix) The screen resolution of external display attached to the mini-dock may be changed from SXGA to XGA when the computer is attached/ detached to/from the mini-dock repeatedly (Intel Graphics Media Accelerator 950 models only)
      • (Fix) The system may fail to boot from the optical drive.
      Version 7FET99WW (2.17)
      • [Important] This BIOS contains a critical processor microcode update to improve system reliability. Lenovo highly recommends that you apply this BIOS update.
      • (Fix) Upgraded to the latest microcode update for Intel Core 2 Duo processor.
      Version 7FET98WW (2.16)
      • [Important] (Windows Vista only) The computer may stop booting from the hard drive with the following error message.
        2100: Initialization error on HDD0 (Main hard disk drive)
      Version 7FET97WW (2.15)
      • (Fix) SMBIOS does not recognize the Modem jack (RJ-11).
      • (Fix) A yellow question mark (?) mark may appear on the Texas Instruments PCI-1510 CardBus Controller device in the Device Manager.
      Version 7FET96WW (2.14)
      • (New) Support for Microsoft Windows Vista.
      • (Fix) DOS EMM386.EXE causes system hang or data corruption in USB memory when the DOS operating system boots from the USB memory.
      • (Fix) While using battery power during DVD playback, Windows blue screen error may occur. (ATI video chip models)
      Version 7FET94WW (2.12)
      • (Fix) If the computer is forcibly shut down by special conditions (such like, pressing the power button for a few seconds or battery down in suspend mode), the computer may not work after power on.
      Version 7FET93WW (2.11)
      • (Fix) If a supervisor password is installed, input of the supervisor password may be required while BIOS update to version 2.04 or 2.06.
      Version 7FET91WW (2.09)
      • (New) (Intel Graphics Media Accelerator 950 model only) Support for video memory size up to 224MB.
        Note: Video memory size is always shown as 224MB, however, only required size by 3D software will be actually allocated up to 224MB..
      Version 7FET88WW (2.06)
      • (Fix) In the BIOS version 2.04, the screen color in the VGA mode (shown in BIOS Setup menu, for example) may not be correct.
      • (Fix) After closing and then opening the LCD, location of icons on the Windows desktop may be changed.
        Note: To resolve this problem, after updating the BIOS with this package, the following display driver must be installed, again. Video driver Intel 900/950/910GML/915GM/940GML/945GM Version or higher
      Version 7FET86WW (2.04)
      • (New) Support for new ThinkPad Z61e/Z61m/Z61p/Z61t models in October/2006.
      • (New) Support for some wide screen modes. - (New) Enhancement of power management.
      • (Fix) If the computer is undocked from its docking station without correct Windows "Undock Computer" procedures, USB devices may not be recognized after hot-docking.
      • (Fix) Ethernet device appears in "Safely Remove Hardware" menu.
      Version 7FET53WW (1.13)
      • (New) Support for a new type of video memory (ThinkPad Z61m with ATI Mobility-RADEON X1300/X1400 video chip).
      • (New) Upgraded to latest microcode update for Intel Core processor. (BIOS)
      • (Fix) Unable to rotate LCD screen in 1920x1200 resolution, 32bit color mode (ThinkPad Z61p). (BIOS)
      • (Fix) When the Password reset service of BIOS Setup is enabled and Passphrase is disabled, Power On Password or HDP may not be unlocked with a registered password by the Password reset service. (BIOS)
      • (Fix) Hard drive reset may not be issued to secondary hard drive of Docking station when communication reset is required. (BIOS)
      • (Fix) Fails to boot from a USB device while the global switch being off. (BIOS)
      • (Fix) Entering standby may fail in a certain case. USB host controller setting is changed to fix. (BIOS)
      • (Fix) Display switching to external Display or Projector via Presentation Director sometimes fails. (BIOS)
      • Fix) USB device enumeration fails at hot dock after undock without eject PC. (BIOS)
      • (Fix) IR device appears on device manager in non-IR model. (BIOS)
      • (Fix) Stops checking battery voltage for a while after starting trickle charge. (EC)

      Version 7FET50WW (1.10)

      • (New) Support for ThinkPad Z61p.
      • (Fix) The computer may detect Bluetooth device not existing.
      • (Fix) The computer may hang very intermittently when ThinkVantage Active Protection System accesses its sensor.

      Version 7FET48WW (1.08)

      • (New) Support for 1280x768 resolution panel.
      • (Fix) Improved frame drop during DVD playback in battery mode.
      • (Fix) Spontaneous wrong key may be input when you press keys on the external PS/2 type keyboard.
        • Numeric characters (2, 4, 6 and 8) may be inserted while the cursor keys are pressed.
        • Shift key operation is done without pressing the shift key.
        • Only upper case characters are typed.
        • Multiple selections with the cursor keys.
        • Numeric keypad may work as the cursor keys.

      Version 7FET46WW (1.06)

      • (Fix) The function to disable Infrared Device in BIOS Setup Utility does not work correctly (BIOS).
      Version 7FET45WW (1.05)
      • (New) Support for ThinkPad Z61m, Z61t, and Z61e.

      Affected configurations

      Any of the following systems:

      • ThinkPad Z61e
      • ThinkPad Z61m
      • ThinkPad Z61p
      • ThinkPad Z61t


      Click here to download the latest BIOS update (Utility).
      Click here to download the latest BIOS update (Bootable CD).


      Was this information helpful?

      Your feedback helps to improve this site.

      • Alias ID: MIGR-65028
      • Document ID: HT001688
      • Last Updated :17 Jun 2014
      • © 2016 Lenovo