Lenovo 5457 Installation And Service Manual page 315

Figure 235. System board screw removal for 5U server model with hot-swap power supplies
12. Slightly lift the system board at the side that is near the hard disk drive cage to create a small angle of
elevation between the system board and chassis.
System board
Figure 236. Slightly lifting system board for 5U server model with hot-swap power supplies
13. Gently push the external input/output connectors out of their respective holes in the chassis.
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Chapter 6 Removing and replacing components
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