E3.S drive backplane cable routing
Follow the instructions in this section to learn how to do cable routing for E3.S drive backplanes.
According to the configuration, see the corresponding section for the E3.S drive backplane cable routing:
1 CPU + Front riser assemblies x8/x8/x8/x8 configuration
| Backplane 1 | Backplane 2 | ||
 |  | ||
| From (E3.S backplanes) | Cable wall | To (processor board) | Cable length |
| 1 (BP1) power connector | Left cable wall | 1 Power connector 9 | 1200 mm |
| 2 (BP1) Bay 0, 1 | Right cable wall | 2 PCIe connector 9A | 850 mm |
| 3 (BP1) Bay 2, 3 | Right cable wall | 3 PCIe connector 9B | 850 mm |
| 4 (BP2) power connector | Left cable wall | 4 Power connector 11 | 1200 mm |
| 5 (BP2) Bay 0, 1 | Right cable wall | 5 PCIe connector 11A | 850 mm |
| 6 (BP2) Bay 2, 3 | Right cable wall | 6 PCIe connector 11B | 850 mm |
1 CPU + Front riser assemblies x16/x16 configuration
| Backplane 1 | Backplane 2 | ||
 |  | ||
| From (E3.S backplanes) | Cable wall | To (processor board) | Cable length |
| 1 (BP1) power connector | Right cable wall | 1 Power connector 9 | 900 mm |
| 2 (BP1) Bay 0, 1 | Right cable wall | 2 PCIe connector 9A | 850 mm |
| 3 (BP1) Bay 2, 3 | Right cable wall | 3 PCIe connector 9B | 850 mm |
| 4 (BP2) power connector | Right cable wall | 4 Power connector 11 | 900 mm |
| 5 (BP2) Bay 0, 1 | Right cable wall | 5 PCIe connector 11A | 850 mm |
| 6 (BP2) Bay 2, 3 | Right cable wall | 6 PCIe connector 11B | 850 mm |
2 CPU configuration
 | |||
| From (E3.S backplanes) | Cable wall | To (processor board) | Cable length |
| 1 (BP1) power connector | Right cable wall | 1 Power connector 9 | 900 mm |
| 2 (BP1) Bay 0, 1 | Right cable wall | 2 PCIe connector 9A | 850 mm |
| 3 (BP1) Bay 2, 3 | Right cable wall | 3 PCIe connector 9B | 850 mm |
| 4 (BP2) power connector | Left cable wall | 4 Power connector 13 | 900 mm |
| 5 (BP2) Bay 0, 1 | Left cable wall | 5 PCIe connector 13A | 850 mm |
| 6 (BP2) Bay 2, 3 | Left cable wall | 6 PCIe connector 13B | 850 mm |
Configuration with front M.2 backplanes
For the front M.2 backplane cable routing, see Front M.2 boot backplane and controller board cable routing.
 | |||
| From (E3.S backplane) | Cable wall | To (processor board) | Cable length |
| 1 (BP1) power connector | Right cable wall | 1 Power connector 9 | 900 mm |
| 2 (BP1) Bay 0, 1 | Right cable wall | 2 PCIe connector 9A | 850 mm |
| 3 (BP1) Bay 2, 3 | Right cable wall | 3 PCIe connector 9B | 850 mm |
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