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Notes:

• Update the BIOS on your server only if the newer BIOS version specifically solves a problem you have.

We do not recommend BIOS updates for servers that do not need them. You can view the updated
information for the new BIOS version in the installation instructions for the BIOS update utility program.

• Downgrading the BIOS to an earlier version is not recommended and might not be supported. An earlier

BIOS version might not support the latest system configurations.

• If the power to your server is interrupted while the POST and BIOS are being updated, your server might

not restart properly. Ensure that you perform the BIOS update procedure in an environment with a
steady power supply. Besides, ensure that your server can restart successfully without encountering
hardware problems.

• If you have updated the BIOS firmware, all the BIOS settings become the default settings of the updated

BIOS version. You need to check and reconfigure the BIOS settings for your specific needs. You
also can record your specific BIOS settings before updating the BIOS for an easier reconfiguration in
the new BIOS version.

To update (flash) the BIOS, do the following:

1. Go to http://www.lenovo.com/drivers and follow the instructions on the Web page to locate the BIOS

update package.

2. Download the BIOS update package and the installation instructions in a TXT file.

3. Print the TXT file that contains the installation instructions and follow the instructions to update (flash)

the BIOS.

4. After the BIOS update process is completed, check and reconfigure the BIOS settings for your specific

needs based on your note or refer to “Using the Setup Utility program” on page 25.

Recovering from a BIOS update failure

If the power to your server is interrupted while the POST and BIOS is being updated, your server might
not restart properly. If this happens, use the Clear CMOS jumper to recover BIOS settings. For detailed
procedure, see “System board jumper” on page 23.

Note:

If you cannot recover the BIOS, the BIOS read-only memory (ROM) might get damaged. You might

need to replace the system board. Contact the Lenovo Customer Support Center.

Using the ThinkServer EasyStartup program

The ThinkServer EasyStartup program simplifies the process of configuring RAID and installing supported
operating systems and device drivers on your server.

The ISO image for the ThinkServer EasyStartup program is available at the Lenovo Support Web site. To
download the ISO image and burn it into a disc or a USB flash drive, do the following:

1. Go to http://www.lenovo.com/support and follow the instructions on the Web page to locate the

ThinkServer EasyStartup program.

2. Download the ISO package for the ThinkServer EasyStartup program. The ISO package contains the

ISO image and a utility for burning the ISO image into a USB flash drive.

3. Download the readme file and read it carefully. The readme file contains important information about

the program.

4. Do one of the following:

• Use an optical drive and any CD/DVD burning software to create a bootable disc with the ISO image.

• Use an empty USB flash drive and the utility in the ISO package to create a bootable USB flash drive

with the ISO image.

Chapter 4

Configuring the server