Operations  40 
o 
2U rear I/O blank 
 
 
 
CAUTION: To prevent improper cooling and thermal 
damage, do not operate the node unless 
all PCI riser cages or rear I/O blanks are installed, and do not operate the node unless all PCI 
slots have either an expansion slot cover or an expansion board installed. 
 
 
Install the rear I/O blank 
1.  Install the rear I/O blanks: 
o  1U right rear I/O blank