Symptoms
Symptoms corrected by version 1.00 - ihet33ww

• (Fix) Screen on TV is not centered in NTSC mode.
• (Fix) No screen on TV if TV is selected for the external display and the resolution is set to 800 x 600.
• (Fix) The following symptoms occur intermittently after changing TV settings:
  • Screen on TV is out of synchronization.
  • Contrast/Brightness settings on TV becomes wrong.
• (Fix) Data Corruption Error with 100Mbps Token-Ring Card in Docking Station.
• (Fix) If user docks a system to docking station during suspend, system resumes intermittently.

Symptoms corrected by version 1.01 - ihet33ww

• (Fix) Version of BIOS is not displayed correctly by LANClient Control Manager.
  NOTE: Change is only made to the diskette volume label, not to System Program. If you have already applied Version 1.00, you don't need to update System Program to 1.01

Symptoms corrected by version 1.02 - ihet35ww

• (New) Following display adapter support.
  • Colorgraphic Evolution 4
  • Matrox Productiva G100
  • Matrox Millennium G200 SD
    NOTE:If you plan on using the TV-out function in Microsoft Windows 95 or Microsoft Windows 98, it is required that the BIOS be updated to v1.02 or later and the video driver be updated to version 2.05.06Q or later. Click here to obtain the latest Video driver.

Symptom corrected by version 1.03 - ihet36ww

• (New) Support for Microsoft Windows 2000 Professional Beta-3 Release

Symptoms corrected by version 1.04 - ihet37ww

• (Fix) NumLock is turned off at the Power on Password prompt
• (Fix) Intermittently, resuming from hibernation will take a long time
• (Fix) Support for Adaptec AHA2940U2W

Symptoms corrected by version 1.05 - BIOS: ihet37ww, Slave controller: IHHT08WW

• (Fix) Battery charging parameters changed to optimize battery function.
  This release is for updating the slave controller program to version 1.08, 07/16/99 - IHHT08WW.
  The 1.05 diskette contains same version of BIOS as 1.04 diskette. If your system is already at BIOS Level IHET37WW, the update process will skip the BIOS update and begin updating slave controller.
  NOTE: The slave controller manages the Power Management functions of the system.

Symptoms corrected by version 1.06 - ihet38ww

• (New) Support for Microsoft Windows 2000 RC2 Release
• (Fix) When the power on password is installed, the mouse pointer will disappear in Windows 98 after the system resumes by timer or an in-coming modem call
• (Fix) The LCD Screen is out of synchonization in 400x300 video mode when screen expansion is enabled.

Symptoms corrected by version 1.08 - ihet40ww

• (New) Support for Microsoft Windows 2000.
• (Fix) Force UltraDMA mode for Docking IDE to UltraDMA mode2.
• (Fix) IR Configuration problem.
• (Fix) Support for ATI Technologies XPERT98.

Symptoms corrected by version 1.09 - IHET41WW

• (Fix) Linux can not be installed properly or Linux can not boot after updating BIOS.
• (Fix) POST error 188 when previously suspend and resume made during UMS being accessing storage.
• (Fix) System does not resume from standby mode with PCI video card.
• (Fix) System will hang while rebooting Windows 95 OSR2.1, after installing USB and other device drivers.

Symptom corrected by version 1.10 - IHET42WW

• (Fix) Fixes hibernation file so that the system can boot if the hard drive root directory has no free space.

Symptom corrected by version 1.11 - IHET43WW

• Version Control

Symptom corrected by version 1.12 - IHET44WW

• Version Control

Symptom corrected by version 1.13 - IHET45WW

• Version Control

Symptom corrected by version 1.14 - IHET46WW

• (Fix) Linux system fails with memory size detection. Linux operating system only.

Symptoms corrected by version 1.15 - IHET47WW

• (New) Microsoft Windows XP Support
• (Fix) Operating system installation failure with CD-ROM boot

Affected configurations
Any of the following ThinkPad systems:

• ThinkPad 600E - 2645 - 55x, 56x, 57x, 58x, A5x, A6x, Bxx (except for BAU), JJ1, JJ2, RRA

Solution
Click here to download the latest BIOS update diskette.