PCIe5 slot description ...................................................................................................................... 112 
Supported PCIe form factors. ......................................................................................................... 113 
Installing expansion boards ............................................................................................................. 114 
Installing a secondary riser cage .................................................................................................... 116 
Installing a tertiary riser cage .......................................................................................................... 118 
Installing an accelerator or GPU ..................................................................................................... 120 
Installing a rear 2 SFF riser cage ................................................................................................... 124 
Installing a rear 2LFF riser cage ..................................................................................................... 126 
Installing primary and secondary risers ......................................................................................... 128 
Installing tertiary risers ..................................................................................................................... 130 
Security. ......................................................................................................................................................... 131 
Installing the bezel ............................................................................................................................ 132 
Installing the chassis intrusion detection switch ........................................................................... 132 
Trusted Platform Module 2.0 guidelines ........................................................................................ 133 
BitLocker recovery key/password retention guidelines ................................................... 134 
Cabling .................................................................................................................. 135 
Cabling guidelines ........................................................................................................................................ 135 
Cabling diagrams .......................................................................................................................................... 136 
8 SFF box 1 cabling .......................................................................................................................... 140 
8 SFF box 2 cabling .......................................................................................................................... 147 
8 SFF box 3 cabling .......................................................................................................................... 156 
Mid 8 SFF cabling ............................................................................................................................. 162 
Front 2 SFF cabling. ......................................................................................................................... 165 
Rear 2 SFF cabling ........................................................................................................................... 171 
LFF cabling ........................................................................................................................................ 178 
Riser enablement cabling ................................................................................................................ 183 
Power cabling .................................................................................................................................... 188 
GPU cabling ...................................................................................................................................... 192 
NS204i-u boot device cabling ......................................................................................................... 193 
OCP bandwidth upgrade ................................................................................................................. 194 
Systems Insight Display cabling ..................................................................................................... 196 
I/O cabling. ......................................................................................................................................... 197 
Front power switch cabling .............................................................................................................. 199 
Serial port cabling ............................................................................................................................. 200 
Configuration resources. ................................................................................ 201 
Updating firmware or system ROM ............................................................................................................ 201 
Configuring the server. ................................................................................................................................. 202 
Configuring storage controllers ................................................................................................................... 203 
Managing the NS204i Boot Device ............................................................................................................ 203 
Deploying an OS ........................................................................................................................................... 203 
Configuring security......................................................................................................................... 204  
Optimizing the server ................................................................................................................................... 205 
Server management ..................................................................................................................................... 205 
Managing Linux-based high performance compute clusters .................................................................. 205 
Troubleshooting .................................................................................................206 
NMI functionality ............................................................................................................................................ 206