Lenovo ThinkServer RD450 (English) User Guide and Hardware Maintenance Manual - Page 67

Updating or recovering the BIOS, Updating flashing the BIOS, Recovering from a BIOS update failure

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• 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 49. 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 47 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 53

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• If you do not want to save the new settings, select
Save&Exit
➙
DiscardChangesandExit
.
•Ifyouwanttoreturntothedefaultsettings,pressF9orselect
Save&Exit
➙
LoadOptimizedDefaults
.
Formoreinformationaboutthe
Save & Exit
menuintheSetupUtilityprogram,see“Save&Exitmenu”
on page 49.
Updating or recovering the BIOS
ThistopicprovidesinstructionsonhowtoupdatetheBIOSandhowtorecoverfromaPOSTandBIOS
update failure.
LenovomightmakechangesandenhancementstotheBIOSandTSMfirmware.Whenupdatesarereleased,
theyareavailablefordownloadontheLenovoWebsiteathttp://www.lenovo.com/drivers.Youcanupdate
theserverfirmwarebydownloadinganupdatepackageandfollowingtheinstructionsontheWebpage.
Updating (flashing) the BIOS
Thistopicprovidesinstructionsonhowtoupdate(flash)theBIOS.
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
informationforthenewBIOSversionintheinstallationinstructionsfortheBIOSupdateutilityprogram.
• Downgrading the BIOS to an earlier version is not recommended and might not be supported. An earlier
BIOSversionmightnotsupportthelatestsystemconfigurations.
•IfthepowertoyourserverisinterruptedwhilethePOSTandBIOSarebeingupdated,yourservermight
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.
•AfterupdatingtheBIOSfirmware,allofyourpreviousBIOSsettingswillbeautomaticallyrestored.Check
andreconfiguretheBIOSsettingsforyourspecificneeds.
To update (flash) the BIOS, do the following:
update package.
2. Download the BIOS update package and the installation instructions in a TXT file.
3.PrinttheTXTfilethatcontainstheinstallationinstructionsandfollowtheinstructionstoupdate(flash)
the BIOS.
4.CheckandreconfiguretheBIOSsettingsforyourspecificneedsbasedonyournoteorreferto“Using
theSetupUtilityprogram”onpage47aftertheBIOSupdateprocessiscompleted.
Recovering from a BIOS update failure
IfthepowertoyourserverisinterruptedwhiletheBIOSisbeingupdated,yourservermightnotrestart
correctly.PerformthefollowingproceduretorecoverfromtheBIOSupdatefailure.
Note:
IftheoperatingsystemofyourserverisinstalledunderEFImode,reinstalltheoperatingsystem
after recovering the BIOS.
TorecoverfromaBIOSupdatefailure,dooneofthefollowing:
•
Using the automatic recovery feature
1. Reconnect the server to an ac power source.
Chapter 5
.
Configuring the server
53