Step 6. Install the riser assembly with the GPU adapter.GPU adapter on riser 1 or 2 assemblyNote: The following uses riser 1 assembly as an example for illustration. The replacementprocedure is the same for riser 2 assembly.Figure 92. Installing the riser 1 assembly with GPU adaptera. Align the riser card with the PCIe slot on the system board assembly. Carefully press theriser card straight into the slot until it is securely seated.b. Open the blue latch on the GPU air baffle and fix the end of the GPU adapter. Then, closethe blue latch.c. Tighten the screw to fix the riser cage.GPU adapter on riser 3 assemblya. Connect cables from the riser 3 and GPU adapter to the system board assembly. See Chapter6 “Internal cable routing” on page 281.b. Install the GPU air baffle. See “Install the air baffle” on page 72.Chapter 5. Hardware replacement procedures 131