Symptom
Symptom corrected by Version 1.00 - 1AHT15WW

• (New) Support for ThinkPad T23.

Symptom corrected by Version 1.02 - 1AHT17WW

• (Fix) If TrackPoint setting is enabled, external PS/2 mouse does not work after system attached to a docking station.

Symptom corrected by Version 1.03 - 1AHT19WW

• (Fix) Remaining time does not show total battery life correctly when secondary battery is attached.

Symptoms corrected by Version 1.04 - 1AHT20WW

• (Fix) When battery temperature exceeds a limit, the battery is not charged.
• (Fix) After hibernation on an ACPI operating system the machine may not power on until battery charges midway.

Symptoms corrected by Version 1.05 - 1AHT21WW

• (Fix) When the ThinkPad system is powered off, the battery may not charge.
• (Fix) The ThinkPad system does not wake from suspend during battery operation.

Symptoms corrected by Version 1.06a - 1AHT23WW
NOTE: This version of Embedded Controller Program will only work with BIOS Version 1.18 (or higher).

• (New) Enhancement of the battery control.

Affected configurations
Any of the following ThinkPad systems:

• ThinkPad T23

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