nb-bios-u2440n-u2440m-302.zip July 5, 2013 Operating system Unknown OS File type BIOS Version 302 32-bit
nb-bios-u2440m-u2440n-win8-507.zip July 5, 2013 Operating system Unknown OS File type BIOS Version 507 32-bit
nb-bios-u2440m-u2440n-slp.exe July 5, 2013 Operating system Unknown OS File type BIOS Version SLP 32-bit