GPU distribution board cable routing
Connect the GPU distribution board signal cables and power cable as illustrated. 
Figure 30. GPU distribution board cable routing – Configuration A
From To
GPU distribution 
board
1  MCIO connector A
GPU #3
System board
1  PCIe connector 4
2  MCIO connector B 2  PCIe connector 3
3  MCIO connector C
GPU #4
3  PCIe connector 6
4  MCIO connector D 4  PCIe connector 5
5  MCIO connector E
GPU #5
5  PCIe connector 8
6  MCIO connector F 6  PCIe connector 7
7  MCIO connector G
GPU #6
7  PCIe connector 10
8  MCIO connector H 8  PCIe connector 9
9  Power connector
9  PCIe adapter distribution 
board power 1 connector
Chapter 3. Internal cable routing 69