1. Boot the server to an operating system that is supported by the firmware update package that you
downloaded.
2. Perform the firmware update by following the instructions that are in the firmware update package
readme file.
3. Restart the server.
4. At the firmware splash screen, press F3 when prompted to restore to the primary bank. The server
boots from the primary bank.
Out-of-band method:
See the IMM2 documentation (
Integrated Management Module II User's Guide
) at
http://www-947.ibm.com/support/entry/portal/docdisplay?lndocid=MIGR-5086346.
For more information about UEFI-compliant firmware, go to http://www.ibm.com/support/entry/
portal/docdisplay?lndocid=MIGR-5083207.
Automated boot recovery (ABR)
This topic provides information about recovering the server to the firmware primary bank.
If the server is booting up and the IMM2 detects problems with the server firmware in the primary bank, it will
automatically switch to the backup firmware bank and give you the opportunity to recover the primary bank.
To recover to the server firmware primary bank, complete the following steps.
Step 1.
Restart the server.
Step 2.
When the prompt press
F3 to restore to primary
is displayed, press F3 to recover the primary bank.
Pressing F3 will restart the server.
Nx boot failure
This topic provides information about a failure to POST and the Nx boot failure feature.
Configuration changes, such as added devices or adapter firmware updates, and firmware or application
code problems can cause the server to fail the power-on self-test (POST). If the server fails to POST, the
server responds in either of the following ways:
• The server restarts automatically and attempts POST again.
• The server hangs, and you must manually restart the server for the server to attempt POST again.
After a specified number of consecutive attempts (automatic or manual), the Nx boot failure feature causes
the server to revert to the default UEFI configuration and start the Setup utility so that you can make the
necessary corrections to the configuration and restart the server. If the server is unable to successfully
complete POST with the default configuration, there might be a problem with the system board.
To specify the number of consecutive restart attempts in the Setup utility that will trigger the Nx boot failure
feature, complete the following steps. The available values are 3, 6, 9, and Disable (disable Nx boot failure).
Step 1.
From the Setup utility main menu, click
System Settings
.
Step 2.
Click
Recovery
.
Step 3.
Click
POST Attempts
; then, click
POST Attempts Limit
.
Step 4.
Modify the configuration settings and click
Save Settings
; then, exit Setup.
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Lenovo System x3750 M4 Installation and Service Guide
Summary of Contents for System x3750 M4
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