DELL P24G Dell XPS L412Z_PLW00 LA-7451P REv 1 .0 DELL P24G DELL XPS 14Z DELL XPS L412Z Service tag 1D1LFS1 PLW00 LA-7451P Rev.1.0 Intel I5-2430M Nvidia N12P-GV-S-A1 BD82HM67 SLJ4N ENE KB930QF A1 U48 Winbond 25Q32BVSIG Main 4 MB bios U36 EC 128 KB