Dell EMC PowerEdge R7525 - 12 X 3.5-Inch Drive Backplane; X 3.5-Inch

Figure 46. 8 x 2.5-inch drive backplane
1. BP_PWR_CTRL 2. BP_DST_SA1 (PERC to backplane)
3. DST_PA1 (PCIe/NVMe connector) 4. DST_PB1 (PCIe/NVMe connector)
5. DST_PA2 (PCIe/NVMe connector) 6. BP_PWR_1 (backplane power and signal cable to system board)
7. DST_PB2 (PCIe/NVMe connector)
Figure 47. 8 x 3.5-inch drive backplane
1. BP_PWR_1 (backplane power and signal cable to system board)
Figure 48. 12x 3.5-inch drive backplane
1. BP_DST_SB1
2. BP_PWR_1 (backplane power and signal cable to system board)
3. BP_DST_SA1
Installing and removing system components
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