• (New) Support for ThinkPad R31.

Symptoms corrected by version 1FET61WW (1.08)

• (New) Removed Enhanced Security item from BIOS Setup Utility. Enhanced Security is always enabled.
• (Fix) There is noise when audio is muted.

Symptoms corrected by version 1FETA3WW (1.13)

• (New) Support for Microsoft Windows NT 4.0.
• (Fix) The system may hang intermittently during network download installation.
• (Fix) (PC DOS) Mute the sound by pressing the mute button, but after reboot the mute is disabled.
• (Fix) The system may hang intermittently during resuming from lid close standby.
• (Fix) (PC DOS) MEM command only returns 16 MB available on PC DOS.
• (Fix) The system may hang intermittently during resume from hibernation.

Symptoms corrected by version 1FETA6WW (1.16)

• (Fix) 5.25 inch floppy disk drive icon is displayed in My Computer.
• (Fix) (Microsoft Windows 98SE) After Install the video driver then restart the system, the screen becomes blank with the backlight on.

Symptom corrected by version 1FETA7WW (1.17)

• (Fix) (Microsoft Windows XP) Sometimes the system may hang up at booting with blue screen.

Symptoms corrected by version 1FETA8WW (1.18)

• (Fix) (Microsoft Windows 2000) Once a power on password is set, BIOS setup utility may not accept any key.
• (Fix) (Windows XP) Sometimes blue screen or serious error may appear at booting.

Symptom corrected by version 1FETA9WW (1.19)

• (Fix) Slow retrieval of serial number through USB barcode scanner.
  NOTE: This problem is concerning manufacturing issue in a factory. There is no impact for customer environment. If you already installed version 1.18, you do not need to install version 1.19.

Symptoms corrected by version 1FETB7WW (1.27)

• (Fix) Enhanced the Intel SpeedStep technology item in BIOS Setup Utility.
• (Fix) (Windows NT) The system must be restarted to take effect of change when unselecting "will not suspend even if LCD is close" in ThinkPad configuration utility.

Symptoms corrected by version 1FETC1WW (1.31)

• (Fix) When the system is shut down just after copying file using Microdrive, the system shows error message and it takes longer time to shut down the system.
• (Fix) Garbage may appear during resume from hibernation.
• (Fix) (Windows NT) The System hangs after resuming from timer standby, if the system enters standby mode by timer after LCD off timer is executed.
• (New) Celeron 1.33GHz CPU (New Stepping level) support.
• (Fix) (Windows NT) Garbage displayed on either LCD or monitor while toggling the display.
• (Fix) The system with Embedded Security Chip may hang, if the Embedded Security Chip is disabled, CSS is installed and supervisor password is enabled.
• (Fix) (Windows 98SE Japanese) After installing Intel Chipset Software Installation Utility, the system may hang with blue screen.
• (Fix) If power on password or supervisor password is set, password prompt also appears at warm boot.

Symptoms corrected by version 1FETC4WW (1.34)

• (Fix) The system hangs up at POST after enabling the serial port to (2F8, IRQ3)
  
• (Fix) BIOS can not keep setting of disabling network devices.
  
• (Fix) Network boot device may be enabled even if it is disabled at Boot menu in BIOS setup.
  
• (Fix) If HD password is set, password prompt also appears at warm boot.
  
• (Fix) MS Intelli USB Optical mouse does not work from cold boot when attached to the port replicator.

Symptoms corrected by version 1FETE1WW (3.01)

• (New) New CPU Stepping level B1 support.
• (Fix) (Windows XP) The system may freeze at disabling and enabling the parallel port through ThinkPad Configuration utility after changing the parallel port setting to 378/IRQ7 and EPP.

Symptom corrected by version 1FETE1WW (3.01a)

• (Fix) After BIOS update, the system may not work.
  NOTE: This release modifies the program which installs the BIOS. There is no change to the BIOS itself. If you have already updated the system to V3.01(1FETE1WW), you do not need to apply this release.

Symptoms corrected by version 1FETE2WW (3.02)

• (Fix) (Windows 98/Me) The display becomes black when resuming from hibernation.
• (Fix) (Windows NT) A display device may not be changed from Intel Graphic properties.
• (Fix) (Windows 2000) If battery pack is not in the system, unexpected Reboot or crash may occur during restoring the preload work from cold boot when attached to the port replicator.

Symptom corrected by version 1FETE2WW (3.02a)

• (Fix) After BIOS update, the system may not work.
  NOTE: This release modifies the program which installs the BIOS. There is no change to the BIOS itself. If you have already updated the system to V3.02(1FETE2WW), you do not need to apply this release.

Symptoms corrected by version 1FETE3WW (3.03)

• (Fix) Some garbage is displayed during hibernation resume.
• (Fix) Wrong CPU type is shown in UMS basic system table.

Symptom corrected by version 1FETE3WW (3.03a)

• (Fix) After BIOS update, the system may not work.

Symptoms corrected by version 1FETE4WW (3.04)

• (Fix) PC-Doctor for DOS returns wrong battery type.
• (Fix) Refresh function of battery does not work.
• (Fix) Wrong CPU speed appeared in BIOS setup menu.
• (Fix) Battery MaxiMiser may prevent suspend operation.
• (Fix) High pitch noise can be heard when running Access ThinkPad or Internet Explorer.

Note: This release modifies the program which installs the BIOS. There is no change to the BIOS itself. If you have already updated the system to V3.03(1FETE3WW), you do not need to apply this release.

Symptom corrected by version 1FETE5WW (3.05)

• (Fix) Can not boot from USB FDD attached to an external USB hub.
  

Symptom corrected by version 1FETE6WW (3.06)

• (Fix) Wrong cache size information shown at POST.

Symptom corrected by version 1FETE8WW (3.08)

• (Fix) Cannot boot with Windows 2000 setup diskette using USB floppy disk drive.

Symptom corrected by version 1FETE9WW (3.09)

• (Fix) Stop Error occurs when Windows 2000 boots up, after installing some Application under the NTFS environment.

Symptom corrected by version 1FETF0WW (3.10)

• Corrects and issue with applications that use the Int 13 API call not getting the correct hard drive (HD) information. This can occur if the Startup Boot device order in the BIOS Setup Utility is changed from the first hard drive booting first to the second HD booting first.
  

Symptom corrected by version 1FETF1WW (3.11)

• Display switch Hot key (Fn+F7) may not work with WindowsXP SP2.

• ThinkPad R31

Click here to download the latest ThinkPad R31 BIOS update (Non-diskette) utility.
Click here to download the latest ThinkPad R31 BIOS update (Diskette).