Dell EMC PowerEdge R750 Installation And Service Manual page 89

Figure 88. 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)
Figure 89. 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 90. 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_DST_SA1 (PERC to backplane)
4. BP_ DST_PB1 (PCIe/NVMe connector)
6. BP_PWR_1 (backplane power and signal cable to system
board)
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 89