Dell PowerEdge R750 EMC Installation and Service Manual - Page 65
BP_DST_SB1 backplane to front PERC
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Figure 59. 8 x 2.5-inch drive backplane 1. BP_PWR_CTRL 3. BP_DST_PA1 (PCIe/NVMe connector) 5. BP_ DST_PA2 (PCIe/NVMe connector) 7. BP_DST_PB2 (PCIe/NVMe connector) 2. BP_DST_SA1 (PERC to backplane) 4. BP_ DST_PB1 (PCIe/NVMe connector) 6. BP_PWR_1 (backplane power and signal cable to system board) Figure 60. 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 Figure 61. 16 x 2.5-inch drive backplane 1. BP_DST_SB1 (backplane to front PERC) 3. BP_DST_SA1 (backplane to front PERC) 2. BP_PWR_CTRL (front PERC power and control signal) 4. BP_PWR_1 (backplane power and signal cable to system board) Installing and removing system components 65
![](/manual_guide/products/dell-poweredge-r750-emc-installation-service-manual-5386569/65.png)
Figure 59. 8 x 2.5-inch drive backplane
1.
BP_PWR_CTRL
2.
BP_DST_SA1 (PERC to backplane)
3.
BP_DST_PA1 (PCIe/NVMe connector)
4.
BP_ DST_PB1 (PCIe/NVMe connector)
5.
BP_ DST_PA2 (PCIe/NVMe connector)
6.
BP_PWR_1 (backplane power and signal cable to system
board)
7.
BP_DST_PB2 (PCIe/NVMe connector)
Figure 60. 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
Figure 61. 16 x 2.5-inch drive backplane
1.
BP_DST_SB1 (backplane to front PERC)
2.
BP_PWR_CTRL (front PERC power and control signal)
3.
BP_DST_SA1 (backplane to front PERC)
4.
BP_PWR_1 (backplane power and signal cable to system
board)
Installing and removing system components
65