Updating Or Recovering The Bios - Lenovo ThinkServer RD650 User Manual And Hardware Maintenance Manual

• If you do not want to save the new settings, select Save & Exit ➙ Discard Changes and Exit.
• If you want to return to the default settings, press F9 or select Save & Exit ➙ Load Optimized Defaults.
For more information about the Save & Exit menu in the Setup Utility program, see "Save & Exit menu"
on page 57.

Updating or recovering the BIOS

This topic provides instructions on how to update the BIOS and how to recover from a POST and BIOS
update failure.
Lenovo might make changes and enhancements to the BIOS and TSM firmware. When updates are released,
they are available for download on the Lenovo Web site at http://www.lenovo.com/drivers. You can update
the server firmware by downloading an update package and following the instructions on the Web page.
Updating (flashing) the BIOS
This topic provides instructions on how to update (flash) the BIOS.
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 correctly. 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.
• After updating the BIOS firmware, all of your previous BIOS settings will be automatically restored. Check
and reconfigure the BIOS settings for your specific needs.
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. Check and reconfigure the BIOS settings for your specific needs based on your note or refer to "Using
the Setup Utility program" on page 55 after the BIOS update process is completed.
Recovering from a BIOS update failure
If the power to your server is interrupted while the BIOS is being updated, your server might not restart
correctly. Perform the following procedure to recover from the BIOS update failure.
Note: If the operating system of your server is installed under EFI mode, reinstall the operating system
after recovering the BIOS.
To recover from a BIOS update failure, do one of the following:
• Using the automatic recovery feature
1. Reconnect the server to an ac power source.
.
Chapter 5 Configuring the server
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