Dell POWEREDGE M915 - Manual (Page 256)

256 Installing Blade Components
Figure 3-51. Installing and Removing an Intel Processor (PowerEdge M910)
1 processor 2 notch in processor screw
3 pin-1 corner of processor 4 processor shield
5 pin-1 corner of socket 6 socket-release lever
1 processor 2 screw
3 processor shield 4 pin-1 corner of socket
5 notch in processor
3
1
2
4
5