the com port may be disabled. You have to install the DOS ThinkPad utilities, Follow the readme exactly for installation !!! Install the OS/2 add driver for Thinkpads and execute the PS2 command in a dos box
The company was forming OS/2 Warp market during the 90-th:
promotion of software, support of the developers, infrastructure foundation.
Mensys catalogies from the 90-th: photos