Lenovo y520-15ikbn bios NM-B191 bios Main UC3 8 MB bios EC U115 1 MB bios Lenovo Legion Y520-15IKBM,DY520 NM-B391 Boardview
Ckeck this friends, it works fine lenovo Y520-15IKBN working BIOS dy512 nm-b191 rev 1.0 SR23S N17P-G0-A1 SR30W v. 4kcn27ww v. 4kec27ww EC 1MB Main 8MB
Lenovo Y520-15IKBN REV 1.0 Working bios 80wk. hub sr30w,sr32s,n17p-g1-a1. 80wk00J5RK Platform: DY512 NM-B191 REV 1. VER- 4KCN24WW ic: 25q64fv1q Ec version: 4KEC24WW ic: 25q80jvs1q BIOS-pass: 200410