154  |   Installing System Components 
 
 
Installing the Interposer Extender Tray for 2U Node Tray 
CAUTION: Many repairs may only be done by a certified service technician. You 
should only perform troubleshooting and simple repairs as authorized in your 
product documentation, or as directed by the online or telephone service and 
support team. Damage due to servicing that is not authorized by Dell is not 
covered by your warranty. Read and follow the safety instructions that came with 
the product. 
1  Place the interposer-extender tray into the system board. See Figure 3-
14. 
2  Replace the screws that secure the interposer extender tray to the 
system board. See Figure 3-14. 
3  Replace the interposer extender. See Figure 3-13. 
4  Connect all the cables to the interposer extender. See Figure 5-10. 
5  Replace the system-board assembly. See "Installing a System-Board 
Assembly" on page 143. 
Expansion-Card Assembly and Expansion Card 
Removing the Expansion Card for 1U Node 
CAUTION: Many repairs may only be done by a certified service technician. You 
should only perform troubleshooting and simple repairs as authorized in your 
product documentation, or as directed by the online or telephone service and 
support team. Damage due to servicing that is not authorized by Dell is not 
covered by your warranty. Read and follow the safety instructions that came with 
the product. 
1  Remove the system-board assembly. See “Removing a System-Board 
Assembly" on page 142.