Lenovo MB EG521 EG22 EZ511 EZ721 NM-B452 REV 1.0 MB EG521 EG22 EZ511 EZ721 NM-B452 REV 1.0 CCPU SR3LA VGA N17-G1-A1 KBC IT8586E-FXA Lenovo Ideapad 320 schematic EG521/EG522 NM-B452 Rev 0.2 schematic.pdf NM-B452 boardview
Lenovo 330-17IKB bios bin file MB EG521 EG22 EZ511, EZ721 NM-B452 REV 1.0 KBC IT8586E-FXA,128KB bios bin file