Clevo N250WU N251WU N252WU,6-71-N24j0-DB2, 6-71-N24W0-D02 Schematics .pdf 6-71-n24j0-d02a BIOS N2x0WU(8M).05.bin N24XWU/N25XWU Series 6-71-N24j0-DB2 / 6-71-N24W0-D02 CLEVO N240WU/N241WU/N250WU/N251WU/N252WU