By adding "Lite-On Technology Corp. ThinkPad USB Keyboard with TrackPoint" to the list in "MatchProduct", scrolling with my external Lenovo keyboard (Model No: SK-8855) works too.
By adding "Lite-On Technology Corp. ThinkPad USB Keyboard with TrackPoint" to the list in "MatchProduct", scrolling with my external Lenovo keyboard (Model No: SK-8855) works too.