Lenovo 5457 Installation And Service Manual page 321

• Reactivate any Features on Demand features.
To install the system board on the 5U server model with hot-swap power supplies, complete the following
steps. For 4U server models with non-hot-swap power supplies, please see the above sub-section.
1. Read the safety information in
2. Touch the static-protective package that contains the system board to any unpainted metal surface on
the server. Then, remove the system board from the package.
3. Lower the system board into the chassis. Pay attention to the positions of the standoffs as they will be
used later.
Figure 245. System board installation for 5U server model with hot-swap power supplies
4. Gently push the system board by the side nearest to the fan cage to insert the external input/output
connectors into their respective holes in the chassis.
"Safety" on page v and
Standoffs
"Installation guidelines" on page
.
Chapter 6 Removing and replacing components
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