To enable UEFI Secure Boot from Lenovo XClarity Essentials OneCLI:
1. Download and install Lenovo XClarity Essentials OneCLI.
To download Lenovo XClarity Essentials OneCLI, go to the following site:
https://datacentersupport.lenovo.com/solutions/HT116433
2. Run the following command to enable Secure Boot:
OneCli.exe config set SecureBootConfiguration.SecureBootSetting Enabled --bmc <userid>:<password>@<ip_
address>
where:
– <userid>:<password> are the credentials used to access the BMC (Lenovo XClarity Controller
interface) of your server. The default user ID is USERID, and the default password is PASSW0RD
(zero, not an uppercase o)
– <ip_address> is the IP address of the BMC.
For more information about the Lenovo XClarity Essentials OneCLI set command, see:
https://pubs.lenovo.com/lxce-onecli/onecli_r_set_command
Note: If disabling UEFI secure boot is needed, run the following command:
OneCli.exe config set SecureBootConfiguration.SecureBootSetting Disabled --bmc <userid>:<password>@<ip_
address>
Remove the system I/O board or processor board
Follow instructions in this section to remove the system I/O board or processor board.
About this task
Important:
• This task must be operated by trained technicians that are certified by Lenovo Service. Do no attempt to
remove or install it without proper training and qualification.
• When replacing the system board assembly, always update the server with the latest firmware or restore
the pre-existing firmware. Make sure that you have the latest firmware or a copy of the pre-existing
firmware before you proceed.
• When removing the memory modules, label the slot number on each memory module, remove all the
memory modules from the processor board, and set them aside on a static-protective surface for
reinstallation.
• When disconnecting cables, make a list of each cable and record the connectors the cable is
connected to, and use the record as a cabling checklist after installing the new system board
assembly.
Attention:
• Read
“Installation Guidelines” on page 47 and “Safety inspection checklist” on page 48 to ensure that you
work safely.
• Power off the server and peripheral devices and disconnect the power cords and all external cables. See
“Power off the server” on page 62.
• Prevent exposure to static electricity, which might lead to system halt and loss of data, by keeping static-
sensitive components in their static-protective packages until installation, and handling these devices with
an electrostatic-discharge wrist strap or other grounding system.
CAUTION:
Hazardous moving parts. Keep fingers and other body parts away.
Chapter 5. Hardware replacement procedures 255
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