• (New) Support Microsoft Windows Vista.

• (Fix) Icons on the desktop will be rearranged after closing or opening the LCD cover.

Version 2.07 (74ET62WW)
Note: This BIOS version will only work with Embedded Controller Program Version 1.00 (or higher).

• (New) When a system boots with a USB memory key, a DOS drive letter is assigned to a FAT partition for the USB memory key even when a system does not boot from it. On previous version of BIOS, the DOS drive letter was assigned only when the system booted from a USB memory key.
• (Fix) The LCD display may not turn on after the display off/on operation.

Version 2.06 (74ET61WW)
Note: This BIOS version will only work with Embedded Controller Program Version 1.00 (or higher).

• (New) Added new items: Modem Device and Infrared Device in the BIOS Setup Utility menu, to hide the device from Operating System. Modem Device:
  Config -> Modem -> Modem Device [Enabled/Hidden]
  If you select "Enabled," you can turn the internal modem device on or off. If you select "Hidden," the internal modem device is hidden from the Operating System.
  Infrared Device:
  Config -> Infrared -> Infrared Device [Enabled/Hidden]
  If you select "Enabled," you can enable or disable infrared device. If you select "Hidden," the infrared device is hidden from the Operating System. Note: The setting of these items is protected by Supervisor password.
  
• (Fix) When the LCD is closed and opened, the screen resolution may be changed.
  

Version 2.05 (74ET60WW)
Note: This BIOS version will only work with Embedded Controller Program Version 1.00 (or higher).

• (Fix) The CardBus Controller register setting was fixed.
• (Fix) The problem that happens in production line was fixed.
• (Fix) System may hang up when boot device is changed in BIOS setup.
• (New) Added new item in the BIOS Setup Utility menu to allow the system startup without pressing Esc key on POST 2010 warning message.
  Note: The "Boot after message for Hard drive compatibility without having to press "Esc" option is found by clicking Startup.
• (Fix) Intel Pentium M Processor and Centrino logos displayed on screen during POST were updated.
• (Fix) POST hang may be caused when damaged Hard drive is attached.
• (New) Added new item "ThinkPad NumLock" in the BIOS Setup Utility menu. It's found by clicking Config then click Keyboard/Mouse. If you select "Independent", NumLock on the ThinkPad system it can be disabled independently regardless of the NumLock state of the external keyboard. If NumLock on the ThinkPad system is enabled, NumLock on the external keyboard will also be enabled. If you select "Synchronized", NumLock on the ThinkPad system and NumLock on the external keyboard are synchronized.
  Note: "ThinkPad NumLock" menu item is available only when the Embedded Controller Program (H8 controller firmware) is also updated to version 1.01 (74HT26WW) or later.

Version 2.02 (74ET57WW)
Note: This BIOS version will only work with Embedded Controller Program Version 1.00 (or higher).

• (Fix) With BIOS 74ET4AWW (Version 1.19) or later, the system will shutdown during Wake On LAN with a Ultrabay Slim Second Hard drive adapter even if no password is set on the second Hard drive.
• (Fix) POST error appears on power-on, just after power off at BIOS password prompt with a USB floppy drive or USB Hard drive.
  

Version 2.01 (74ET56WW)
Note: This BIOS version will only work with Embedded Controller Program Version 1.00 (or higher).

• (New) Added new item in the BIOS Setup Utility menu to support enabling and disabling the internal Bluetooth device.
  Note: The "Internal Bluetooth Device" option is found by clicking Config then click Network.
• (New) Support for new models based on the Intel Pentium M Processor 778.
• (Fix) USB devices connected to UltraBase X4 or ThinkPad X4 Dock may not be recognized in Boot Menu by pressing F12 during POST.

Version 1.19 (74ET4AWW)
Note: This BIOS version will only work with Embedded Controller Program Version 1.00 (or higher).

• (New) Enhancement of security function at power-on: When the hard disk password is set, regardless of other password settings, Wake On Lan from power off state does not work.

Version 1.18 (74ET49WW)
Note: This BIOS version will only work with Embedded Controller Program Version 1.00 (or higher).

• (Fix) Adjust performance of system start and resume time on some models
• (Fix) After removing and replacing the backup battery, Client Security Software may not be installed or Test of Security Chip by PC Doctor (DOS) may fail

Version 1.17a (74ET48WW)
Note: This BIOS version will only work with Embedded Controller Program Version 1.00 (or higher).

• (Fix) System may not resume from standby state intermittently.

Version 1.17 (74ET47WW)
Note: This BIOS version will only work with Embedded Controller Program Version 1.00 (or higher).

• (Fix) System may not boot from hard drive intermittently.

Version 1.16 (74ET46WW)
Note: This BIOS version will only work with Embedded Controller Program Version 1.00 (or higher).

• (New) "POST 2010 Error" warning message is added. This error message appears when firmware level of attached serial ATA hard drive is old.
• (Fix) Warning Beep may sound when you eject system from UltraBase X4 even though system is attached to UltraBase X4 with standby state.
• (New) Enable some power management feature to extend battery life.
• (Fix) Improve the integrated fingerprint reader functionality.
• (New) Add new item in the BIOS Setup Utility to initialize template data in the integrated fingerprint reader.
  Note: New item "Erase Fingerprint Data" is found by clicking Security then click Fingerprint at BIOS setup menu.
• (New) Add new item in the BIOS Setup Utility to disable password authentication for the integrated fingerprint preboot authentication.
  Note: New item "Password Authentication" is found by clicking Security then click Fingerprint. This item is only available when "Security Mode" is seleted as "High".
• (Fix) The system may not boot from USB floppy disk drive when the power of Bluetooth is turned on.
• (Fix) Some BIOS Setup items are not configured by using Remote CMOS Update Utility.
• (Fix) The item "Execution Prevention" in the BIOS Setup Utility is not locked by supervisor password.
• (Fix) LCD display may be turned off after entering secondary hard drive password. This symptom may appear on following condition: System with UltraBase X4 should be in standby mode and then attach secondary Hard drive which has Hard drive password. After attaching Hard drive, system resumes from standby mode and password prompt appears and then enter password. LCD display may be turned off just after entering password.

Version 1.00 (74ET30WW)
Note: This BIOS version will only work with Embedded Controller Program Version 1.00 (or higher).

• (New) Support for ThinkPad X41.
  
  

• ThinkPad X41
  
  

Click here to download the latest BIOS Update (Diskette).
Click here to download the latest BIOS Update (Non-Diskette).