Lenovo ThinkAgile HX1521-R User Manual page 78

Step 1. Align the PCIe adapter with the PCIe slot on the riser card. Then, carefully press the PCIe adapter
straight into the slot until it is securely seated and its bracket also is secured.
Figure 36. PCIe adapter installation
Note: Carefully handle the PCIe adapter by its edges.
Step 2. Pivot the PCIe adapter retention latch to the closed position.
Figure 37. Closing the PCIe adapter retention latch
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