Symptom corrected by version 1QHT13WW (1.01)
Note: This version of Embedded Controller Program will only work with BIOS Version 1.00b to 2.11.

• (New) (Initial release) Support for ThinkPad X31.

Symptom corrected by version 1QHT16WW (1.03)
Note: This version of Embedded Controller Program will only work with BIOS Version 1.00b to 2.11.

• (Fix) Thermal sensing error message may be displayed when the system restarts.
• (Fix) (Windows XP, Windows 2000) The system may not be powered on if Windows shuts down the system due to low battery with the following conditions:
  • Windows low/critical battery action is disabled.
  • Two batteries are used.

Symptom corrected by version 1QHT17WW (1.04)
Note: This version of Embedded Controller Program will only work with BIOS Version 2.13a or 2.14.

• (New) Improvement of the control function of the battery.

Symptom corrected by version 1QHT19WW (1.06)
Note: This version of Embedded Controller Program will only work with BIOS Version 2.15.

• (Fix) Charge will stop with some batteries.
• (Fix) After completing Embedded Controller Program update and if the system is automatically rebooted, the error message, "Operating System not found", may be displayed and then reboot stops.

Symptom corrected by version 1QHT22WW (1.07b)
Note: This version of Embedded Controller Program will only work with BIOS Version 3.00d (or higher).

• (New) Support for ThinkPad X32.

Symptom corrected by version 1QHT23WW (1.08)
Note: This version of Embedded Controller Program will only work with BIOS Version 3.01 (or higher).

• (New) Enhance safety with an unsupported battery.

Any of the following ThinkPad systems:

• ThinkPad X31, X32

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

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