Symptoms corrected by the latest BIOS Update - ThinkPad R50/p, R51 ( 1829, 1830, 1831, 1836), T40/p, T41/p, T42/p
Version 1RETDRWW (3.23)
Note: This BIOS version will only work with Embedded Controller Program Version 3.04 (or higher).
(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.