Lenovo 5457 Installation And Service Manual page 317

Replacing the system board
Use this information to replace the system board.
Notes:
1. When you reassemble the components in the server, be sure to route all cables carefully so that they are
not exposed to excessive pressure.
2. When you replace the system board, you must either update the server with the latest firmware or
restore the pre-existing firmware that the customer provides on a diskette or CD image. The vital
product data (VPD) must also be updated. Make sure that you have the latest firmware or a copy of the
pre-existing firmware before you proceed. See
DMI/SMBIOS data" on page 104
Attention: Installing the wrong firmware or device-driver update might cause the server to malfunction.
Before you install a firmware or device-driver update, read any readme and change history files that are
provided with the downloaded update. These files contain important information about the update and
the procedure for installing the update, including any special procedure for updating from an early
firmware or device-driver version to the latest version.
3. Reactivate any Features on Demand features. Instructions for automating the activation of features and
installing activation keys is in the Lenovo System x Features on Demand Users Guide. To download the
document, go to
https://fod.lenovo.com/lkms
Important: Some cluster solutions require specific code levels or coordinated code updates. If the device is
part of a cluster solution, verify that the latest level of code is supported for the cluster solution before you
update the code.
To install the system board on the 4U server model with non-hot-swap power supplies, complete the
following steps. For 5U server models with hot-swap power supplies, please see the next sub-section.
1. Read the safety information in
2. Pull the hard disk drive cage half out of the chassis.
Figure 239. Pulling hard disk drive cage half out of chassis for 4U server model with non-hot-swap power supplies
"Updating the firmware" on page 85
for more information.
, log in, and click Help.
"Safety" on page v and "Installation guidelines" on page
.
Chapter 6 Removing and replacing components
and "Updating the
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