James I think I have eliminated software differences.
Both laptops reflashed to OS8 (12.1.0) Turtle Blocks V141 ( a new version is just released) Phono plug with left-right-ground all shorted forever print voltage displays: 0V SKU199 -1.3V SKU204 Tony _______________________________________________ Devel mailing list [email protected] http://lists.laptop.org/listinfo/devel
