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
L:\>ps2 ? SERA
Information is sent by: Rainer Stroebel -- 2005-12-19 02:01:55
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[GoogleAdv]
Test the program:
NetDrive - attach ftp-directory to a drive letter (webDAV, .iso, NTFS volume, ..)
eCo Software is working with the translators
of eComStation / IBM OS/2 Warp since the end of 90-th.
We have released russian version of
some Fixpaks for Warp 4, eComStation 1.05, .. 2.1.
LANGE library, co-operation with european translators.
Ideas for the developers:
OS/2 and eComStation stay under mass barrage during the last 10 years: major part of reviews about the OS: Is it dead or not? We don't see technical reviews about advantages of the system. Let's write good reviews of eComStation together!
eCo Software is working with the translators 
