Maybe I missed this story at it's time.
IBM released the Audio Driver III 3.08 for Thinkpad models 600x, T20, T21 and T22 dated 2001-04-03.
According to the site:
I. Summary of changes
version 3.05
- (New) Support for ThinkPad 600X
version 3.06
- (New) Support for ThinkPad T20
- (Fix) No sound after MIDI file playback.
- (New) Support for ThinkPad T21
version 3.08
- (New) Support for ThinkPad T22
- (Fix) Hang up during Boot.
http://www.pc.ibm.com/qtechinfo/MIGR-4ENRG5.html....
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