| Name | Operating System | Version | Released | Download |
|---|---|---|---|---|
| BIOS Update 18CN42WW.txt 2.33 MB | Windows Vista 32bit, Windows XP, Windows 7 32bit | 42 | 12 Mar 2010 | Download |
| BIOS Update 18CN42WW x64(V2.51).exe 2.22 MB | Windows Vista 64bit, Windows 7 64bit | 42 | 12 Mar 2010 | Download |
Important information
Lenovo strongly suggests rebooting the system before applying the BIOS update.