Switched GPU distribution board configuration
Use the section to understand the 2.5-inch drive backplane cable routing for the server configuration with switched GPU distribution board.
Choose the routing plan according to the type of the storage controller installed in the system.
RAID adapter (Tri-mode)
Note
This configuration supports eight SAS/SATA/U.3 drives.
Figure 1. 2.5-inch drive backplane cable routing
| Cable | From | To |
|---|---|---|
| 1 | Backplane: Power connector | System board assembly: Backplane power connector |
| 2 | Backplane: SAS/SATA | 8i RAID adapter installed on the PCIe riser 1: C0 |
RAID/HBA adapter
Note
This configuration supports eight SAS/SATA drives or four NVMe drives.
Figure 2. 2.5-inch drive backplane cable routing
| Cable | From | To |
|---|---|---|
| 1 | Backplane: NVMe 0-1 | GPU distribution board: MCIO connector E |
| 2 | Backplane: NVMe 2-3 | GPU distribution board: MCIO connector F |
| 3 | Backplane: Power connector | System board assembly: Backplane power connector |
| 4 | Backplane: SAS/SATA | 8i RAID/HBA adapter installed on the PCIe riser 1:
|
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