http://support.lenovo.com/en_US/research/hints-or- tips/detail.page?&LegacyDocID=MIGR-4UFUYK
Takze mackej nejaky specialni IBM/Lenovo tlacitkoThe service partition can be accessed by pressing the Access ThinkPad or Access IBM button during startup.
http://www.youtube.com/watch?v=WGqbISfWgfE