Step 1.  Make preparations for this task. 
a.  Remove the top cover (see 
“Remove the top cover” on page 240).
b.  Remove both PCIe riser cages or fillers, the chassis air baffle, and the PCIe expansion tray (see 
“Remove a 4U PCIe riser cage” on page 255, “Remove the chassis air baffle” on page 270, and 
“Remove the 4U PCIe expansion tray” on page 249).
c.  Disconnect all the cables (including external ones) from the adapter.
Step 2.  Open the retaining latch.
Step 3.  Remove the screw that secures the adapter.
Step 4.  Grasp the adapter by upper corners, and remove it from the system board. 
Figure 78. Removing an adapter from the system board
Remove an adapter from the PCIe riser card assembly
Procedure
Step 1.  Make preparations for this task. 
a.  Remove the top cover (see “Remove the top cover” on page 240).
b.  Remove both PCIe riser cages or fillers, the chassis air baffle, and the PCIe expansion tray (see 
“Remove a 4U PCIe riser cage” on page 255, “Remove the chassis air baffle” on page 270, and 
“Remove the 4U PCIe expansion tray” on page 249).
c.  Disconnect all the cables (including external ones) from the adapters that are installed in the 
PCIe riser card assembly.
d.  Remove the PCIe riser assembly (see 
“Remove the PCIe riser assembly” on page 186).
Chapter 4. Hardware replacement procedures 189