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Error after upgrading bios on IBM Thinkpad T60

Ver este post en español
After updating bios from 1.07 to 2.13 I got the error:
Initializing Intel(R) Boot Agent GE v1.2.31
PXE-E05: The LAN adapter's configuation is corrupted or has not been initialized. The Boot Agent cannot continue.

After another screen show:
Expansion ROM not initialized - PCI on Motherboard
Bus:00, Device:00, Function:00
Press [ESC] to continue

To fix we have to set default values to NIC's rom.
Download the Intel ethernet boot utility:

http://downloadcenter.intel.com/Detail_Desc.aspx?agr=Y&DwnldID=19186&keyword=%22proboot.exe%22&DownloadType=Utilities%2c+Tools+and+Examples&OSFullname=OS+Independent&lang=eng

I copied to a DOS usb boot pendrive. Two commands must be run:
1. To see NIC's Port
#BootUtil -p
2. To set default data:
#bootutil -nic=X -defcfg
Change X with the number that is returned by previous command, usually 1.
Setting PXE EEPROM words back to defaults on NIC 1...done
Everything smooth...
Another workaround is going to bios and set "Read Network ROM on Startup" disabled under Config-network.
Source
More info about updating and configuring Linux on this laptop and about IBM/Lenovo can be found in thinkwiki.org

Disclaimer: Use the above information under your own responsabilty. Stephenchow.es is not responsible of possible damages caused due to the use of this information.