• (Fix) ThinkPad will not resume after undock from a docking station while a system is in hibernation mode.
• (New) USB storage drive letter handling modified.
• (New) Support for a new video memory for certain AMD video chips.
  Note: The 3.21 and previous release of the BIOS handles USB drive letter well on the Windows 98, 98SE. Please use 3.21 BIOS for the Windows 98, 98SE.

• (New) Added new BIOS setup menu, to hide the following internal communication device from the Operating System:
  Infrared Device: click Config, then select Infrared

Symptom corrected by version 1RETDNWW (3.20)
Note: This BIOS version will only work with Embedded Controller Program Version 3.04 (or higher).

• (Fix) Hang up when HDD identification is failed.
• (Fix) Hang up when Boot sequence is changed.
• (New) Support New Intel Logo.

Symptom corrected by version 1RETDNWW (3.19)
Note: This BIOS version will only work with Embedded Controller Program Version 3.04 (or higher).

• (Fix) The cardbus controller register setting.

Symptoms corrected by version 1RETDMWW (3.18)
Note: This BIOS version will only work with Embedded Controller Program Version 3.04 (or higher).

• (Fix) With BIOS 1RETDLWW (version 3.17), system will shutdown on Wake On Lan with a Ultrabay Slim Second Hard Drive adapter, even if no password is set in the second hard drive.
• (Fix) POST error appears on power-on, just after power off at a password prompt with a newly attached USB storage device.
• (Fix) System may not start with some USB devices, attached to docking station or port replicator.

Symptoms corrected by version 1RETDLWW (3.17)
Note: This BIOS version will only work with Embedded Controller Program Version 3.04 (or higher).

• (New) Enhancement of the security function on power-on: When the hard disk password is set, regardless of other passwords settings, Wake On Lan from power off state does not work.
• (Fix) Changed the Finger Senser default timeout value from 13 seconds to 40 seconds.
• (Fix) Fix the re-enumeration started after restart from low battery suspend in the BIOS setup.

Symptoms corrected by version 1RETDKWW (3.16)
Note: This BIOS version will only work with Embedded Controller Program Version 3.04 (or higher).

• (New) A new BIOS setup menu item to initialize Finger Print data.
  
• (Fix) Improvement of Integrated Fingerprint Reader.
  
• (Fix) If a Supervisor Password prompt appears when the BIOS is updated
  and a correct password is input at the third time, the password is not accepted

Symptoms corrected by version 1RETDJWW (3.15)
Note: This BIOS version will only work with Embedded Controller Program Version 3.04 (or higher).

• (New) CPU Micro Code Update
• (Fix) Correct wrong message when POST Diagnostics Boot.

Symptoms corrected by versoin 3.14 (1RETDIWW)
Note: This BIOS version will only work with Embedded Controller Program Version 3.04 (or higher).

• (Fix) Improvement of Integrated Fingerprint Reader.
  Note: Because of this fix, you need to re-install the finger print password after BIOS update. The previous password can be installed. This is only once required for Fingerprint system after BIOS update.
• (Fix) The system hangs while OS/2 is booted up if video expansion mode is enabled.
• (Fix) Once Access IBM starts with using Access IBM button and then is closed, it is freely launched after resuming from hibernation mode.

Symptom corrected by versoin 3.13 (1RETDHWW)
Note: This BIOS version will only work with Embedded Controller Program Version 3.04 (or higher).

• (Fix) The clock frequency (speed) of CPU is not set to the highest speed in battery mode even if "Intel(R) SpeedStep technology" option of "Power" of "Config" in the " BIOS Setup Utility" menu is set to Enabled and its "Mode for Battery" option is set to "Maximum Performance".

Symptom corrected by version 3.12 (1RETDGWW)
Note: This BIOS version will only work with Embedded Controller Program Version 3.03 (or higher).

• (New) Support for new chip on board.

Symptom corrected by version 3.11 (1RETDFWW)
Note: This BIOS version will only work with Embedded Controller Program Version 3.03 (or higher).

• (Fix) Old version of ThinkPad 802.11a/b/g wireless LAN Mini PCI adapter driver (Version 2.4.1.7 or olders) does not work with BIOS 3.08a (1RETD4WW)

Symptoms corrected by version 3.10b (1RETDEWW)
Note: This BIOS version will only work with Embedded Controller Program Version 3.03 (or higher).

• (New) Update Intel Centrino Logo.
• (New) Update EDID to meet Rev.1.3
• (Fix) System may shutdown at password is prompted without waiting 1 minutes in wake up from hibernation if power on password is set and if "Require password after hibernate" option in BIOS Setup Utility is enabled.
• (Fix) CSS authentication fails after resume from suspend. This problem occurs if the hibernation timer in Windows XP is set and the timer is expired. The suspend to hibernation fails because the "Timer Wake with Battery Operation" option in the BIOS Setup Utility is disabled.

Symptom corrected by version 3.09f (1RETDBWW)
Note: This BIOS version will only work with Embedded Controller Program Version 3.03 (or higher).

• (Fix) System hang may occur when the password is entered during the wake up from hibernation process if power on password is set and if "Require password after hibernate" option in the BIOS Setup Utility is enabled.

Symptoms corrected by version 3.08a (1RETD4WW)
Note: This BIOS version will only work with Embedded Controller Program Version 3.03 (or higher).

• (New) Support for ThinkPad T42 new models.
• (New) Internal Network device enable/disable function is added in the BIOS Setup Utility.
• (New) Internal Wireless device enable/disable function is added in the BIOS Setup Utility.
• (Fix) The system hangs when booted from the 2nd FDD in boot order.
• (Fix) (Linux) Hibernation function does not work correctly under the partition environment created by lphdisk.
• (Fix) Some words are incorrect in the BIOS SETUP Utility.
• (Fix) Memory data will be corrupted if the timer resume is aborted when "Timer Wake with Battery Operation" option in the BIOS Setup Utility is disabled.

Symptoms corrected by version 1RETCDWW - (3.06f)
Note: This BIOS version will only work with Embedded Controller Program version 3.02 (or higher).

• (New) Support for ThinkPad R51 new models.
• (New) Added new menus in the BIOS Setup Utility.

Symptom corrected by version 1RETC6WW - (3.05a)
Note: This BIOS version will only work with Embedded Controller Program Version 3.01a (or higher).

• (New) Support for ATI MOBILITY 9000 new Video memory.

Symptoms corrected by version 1RETC4WW - (3.04)
Note: This BIOS version will only work with Embedded Controller Program Version 3.01a (or higher).

• Added support for ThinkPad T42 and T42p systems.
• Added support for Intel Pentium M processor.

Symptom corrected by version 1RETC2WW (3.03)
Note: This BIOS version will only work with Embedded Controller Program Version 3.00 (or higher).

• (Fix) Fix screen corruption problem on ATI Mobility FireGL T2 SXGA+ panel system.

Symptoms corrected by version 1RETC0WW (3.02a)
Note: This BIOS version will only work with Embedded Controller Program Version 3.00 (or higher).

• (Fix) Adjust for ATI Mobility FireGL 9000 memory clock setting.
• (Fix) USB mass storage set by Startup menu of the BIOS Setup may not be booted on some Operating Systems other than Windows and DOS.
• (Fix) Some devices previously set by Startup menu of the BIOS Setup Utility are excluded when the BIOS is updated.

Symptoms corrected by version 1RETB7WW (3.00)
Note: This BIOS version will only work with Embedded Controller Program Version 3.00 (or higher).

• (New) Support for ThinkPad R51(*1).
• (New) Support for Rescue and Recovery.
• (New) Support for user-customized model number (for administrative purpose).
• (New) Expand boot submenu (see "Startup Menu section" below)
• (New) Support for new Intel PRO/Wireless 2200BG Mini-PCI Adapter.

Symptom corrected by version 1RET86WW (2.13)
Note: This BIOS version will only work with Embedded Controller Program Version 2.04 (or higher).

• Copyright string change for year 2004.

Symptom corrected by version 1RET84WW (2.11)
Note: This BIOS version will only work with Embedded Controller Program Version 2.04 (or higher).

• (Fix) (DOS) The system may have garbage screen after the system resumes normal operation from suspend mode.

Symptoms corrected by version 1RET83WW (2.10)
Note: This BIOS version will only work with Embedded Controller Program Version 2.04 (or higher).

• (New) Support for ThinkPad R50p and T41p.
  (NOTE) Refer to the Restrictions section.
• (Fix) Internal Network Option ROM setting was not restored by Setup Automation Tool.
• (Fix) (DOS) Character font on the screen may be corrupted after the system resumes normal operation from suspend mode.

Symptoms corrected by version 1RET79WW (2.06)

• (New) Support for ThinkPad T41 and R50.
  Note: Refer to the Restrictions section.
• (New) (Windows XP, Windows 2000) Enhancement on password security function.

Symptoms corrected by version 1RET73WW (2.02)

• (New) Support ThinkPad 802.11a/b/g Wireless LAN Mini PCI Adapter.
• (Fix) Thermal sensing improvement for Intel(R) 855PM.

Symptom corrected by version 1RET68WW (2.00)

• Adds support for the new ThinkPad 802.11a/b/g Wireless LAN Mini PCI adapter

Symptoms corrected by version 1RET36WW (1.07)

• (New) Predesktop Area functionality update.
• (Fix) IRQ setting in Dock CardBus controller.
• (Fix) A second hard drive (with password) that is hot swapped into a Microsoft Windows 2000 or XP system will give a password prompt.
  Note: A hard drive password should be entered at resume time from suspend after hot swapped into above systems.
• (Fix) Fix for the problem of BIOS or Embedded Controller Program update by RDM.
• (Fix) SMBIOS data area conflict reported by INT15 BIOS function.
• (Fix) CardBus memory area conflict with 2GB system memory.
• (Fix) POST error handling when unsupported daughter card exists.
• (Fix) POST hang up when 2 USB devices are connected.
• (Fix) (Windows XP) Some multifunction type of CardBus cards may not work after resuming normal operation from standby mode.
• (Fix) Boot priority for the network boot does not change to the default setting, if the F9 key is pressed twice in the BIOS Setup Utility.
• (Fix) Predesktop Area setting was not copied by the Remote CMOS Update utility.
• (Fix) Fix for early stepping of Intel(R) 855PM chipset.

Symptom corrected by version 1RET34WW (1.05)

• (Fix) Fix for SMBIOS maximum memory module information.

Symptoms corrected by version 1RET33WW (1.04)

• (New) Added a BIOS option to disable built-in network card using upper 640KByte location.
• (Fix) (DOS) The screen becomes blank or white when Korean DOS environment starts up (by loading mshbios.com).
• (Fix) Screen expansion (HV expansion) is always enabled if a power- on password or hard drive password is set.
• (Fix) Some of Item Specific Help messages in the BIOS Setup Utility are incorrect.

Symptoms corrected by version 1RET32WW (1.03)

• (New) Support the F11 key to works as the Access IBM button when Access Predesktop Area exists.
• (Fix) Fix system hang during Suspend and Hibernation in Microsoft Windows 98 when hard drive activity is pending.
• (Fix) Change processor family value in SMBIOS for Intel Pentium M processor.

• (New) Support for ThinkPad T40, T40p.

• ThinkPad R50, R50p
• ThinkPad R51 (1829, 1830, 1831, 1836)
• ThinkPad T40, T40p
  
• ThinkPad T41, T41p
• ThinkPad T42, T42p

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

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