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I just found out that ApplePS2Controller.kext somehow is related with AppleACPIPlatform.kext I found and used old AppleACPIPlatform.kext (in my kext backups) and now my Lenovo R60 ThinkPad keyboard & touchpad & trackpoint IS WORKING!!! (Leo 10.5.6) Could be that this AppleACPIPlatform have some issues or isn't so functional as new ones. I don't know. May be somebody can analyze that and find mistake in new AppleACPIPlatform. AppleACPIPlatform.kext.zip