Note: There are two different BIOS version numbers, one for the Microsoft Windows Vista preloaded systems and one for the Microsoft Windows XP preloaded systems.
Summary of changes
Version 3.12
(New) Update for the 3000 N100 (Windows XP Preload Models) BIOS Ver. 2.06 (61ET37WW) for the following updates.
(Fix) Fixed USB mouse fail after resuming.
(New) Support for the Intel T2060&T2350 CPU.
(Fix) Updated the "IDE HDD" to "SATA HDD" in the BIOS Setup menu.
(Fix) Fixed Lenovo boot management boot problem.
Version 3.11
(New) Update for the 3000 C200, N100 (Windows Vista Preload Models) BIOS Ver. 1.08 (63ET62WW) for the following updates.
(New) Support Celeron M520 and M530 CPU
(Fix) Update Computrace Option handling
(New) Update for the 3000 N100 (Windows XP Preload Models) BIOS Ver. 2.05 (61ET36WW) for the following updates. ***** IMPORTANT ***** This BIOS contains a critical processor microcode update to improve system reliability. Lenovo highly recommends that you apply this BIOS update.
(New) The latest microcode update for Intel Core 2 Duo processor
(New) Support Celeron M520 and M530 CPU
(Fix) Fix sometimes system hang during post on Broadcom WLAN card machine.
Version 3.10
(New) Update for the 3000 C200, N100 (Windows Vista Preload Models only) BIOS Ver. 1.07 (63ET61WW) for the following updates. ***** IMPORTANT ***** This BIOS contains a critical processor microcode update to improve system reliability. Lenovo highly recommends that you apply this BIOS update.
(New) The latest microcode update for Intel Core 2 Duo processor
(Fix) Fix sometimes system hang during post on Broadcom WLAN card machine.
Version 3.02
(New) Update for the 3000 C200/N100 (Windows Vista Preload Models) BIOS Ver. 1.06 (63ET60WW) for the following updates.
(New) Support T5300 CPU
(Fix) Fix Wireless WAN PC card problem
(Fix) Fix VID problem on T2060 CPU
(New) Update for the 3000 N100 (Windows XP Preload Models only) BIOS Ver. 2.04 (61ET35WW) for the following updates.
(New) Support T5300 CPU
(Fix) Fix Wireless WAN PC card problem
(Fix) Fix VID problem on T2060 CPU
Version 3.01
(New) Update for the 3000 C200 and N100 (0689-Exx,Fxx,Gxx; 0768-Exx, Fxx,Gxx) BIOS Ver. 1.05 (63ET59WW) for Windows Vista support
Installation instructions
Notes:
Remove the Power-on password prior to updating the BIOS in RDM (Remote Deployment Manager) environment or similar environment.
You need an AC adapter and a charged battery pack to update the BIOS.
If your computer is attached to any kind of docking station or port replicator, turn off the computer and detach it before proceeding.
If a USB Diskette Drive is attached to your computer, turn off the computer and detach it before proceeding.
Print these instructions or display on another computer.
Firmly connect the AC adapter to the computer.
Start Windows XP and logon with administrative privileges.
Save this package onto the hard drive.
Click Start, then click Run...
Specify AdRomLdr.exe with the full path name where you extracted this package and click OK. Example: C:\DRIVERS\WIN\FLASH\63af08US\AdRomLdr.exe
Follow the instructions on the screen.
After the update has been completed, the computer will restart automatically. Do the following to make sure the BIOS is updated correctly.
Turn off the computer.
Turn on the computer.
While the "To interrupt normal startup, press the LenovoCare button" message is displayed at the lower-left area of the screen, press the F1 key. The BIOS Setup Utility menu will be displayed. If a password prompt appears, type the correct password.
Verify the BIOS Version.
Turn off the computer.
Determining which version is installed
Turn on the computer.
While the "To interrupt normal startup, press Lenovo Care button" message is displayed at the lower-left area of the screen, press the F1 key. The BIOS Setup Utility menu will be displayed. If a password prompt appears, type the correct password.
Verify the BIOS Version. The BIOS version for the C200 BIOS will be 3.11. The BIOS version for the N100 BIOS will be 2.03.