Lenovo System x3300 M4 Installation And Service Manual page 240

9. Press the latch of the expansion-slot cover kit from the rear side of the server (see step 1 in the
following illustration).
10. Remove the expansion-slot cover kit located in PCI slot 1 and save it for future use. (see step 2 in the
following illustration).
11. Press PCI-X riser-card assembly firmly into PCI slot 1.
Attention: Incomplete insertion might cause damage to the system board or the adapter.
12. Make sure the latch on the rear side of the PCI-X riser-card assembly is secured to the rear of the
server chassis.
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System x3300 M4 Installation and Service Guide