Post
lenovo Y520-15IKBN bios
lenovo Y520-15IKBN,dy512 nm-b191 rev 1.0 working BIOS, N17P-G0-A1, w25q64fv_uc3- 8MB bios version 4kcn27ww, w25q80jv_u115- 1MB bios version 4kec27ww