236  |   Removing and Installing System Components 
 
 
system-board assembly. See Figure 3-60. 
5  Place the expansion-card bracket into the system-board assembly. See 
Figure 3-59 for 1U node. See Figure 3-25 for 2U node. 
6  Replace the screws that secure the expansion-card bracket. 
7  Reconnect all the cables to the 10GbE mezzanine card. 
8  Replace the system-board assembly. See "Installing a System-Board 
Assembly" on page 171. 
Mezzanine-Card Bridge Board 
Removing the Mezzanine-Card Bridge Board 
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  It is recommended to turn off the system, including any attached 
peripherals, and disconnect the system from its electrical outlet. 
2  Remove the system-board assembly. See “Removing a System-Board 
Assembly" on page 170. 
3  Remove the mezzanine card. See “Removing the LSI 2008 SAS 
Mezzanine Card” on page 222, “Removing the 1GbE Mezzanine Card” 
on page 229 and “Removing the 10GbE Mezzanine Card” on page 232. 
4  Pull the mezzanine-card bridge board away from the mezzanine slot on 
the system board. See Figure 3-62.