Dell EMC PowerEdge MX750c Installation And Service Manual page 46

Figure 41. SATA/PCIe cabling diagram of configuration 11 - 4 x 2.5-inch Universal backplane with on board SATA +
on board PCIe
Table 17. Connector descriptions for on board SATA + on board PCIe
From
BP_PWR_1 (backplane power connector)
BP_DST_PA1 (backplane PCIe 1 connector, cable marking BP
PA1)
BP_DST_SA1 (backplane SAS connector, cable marking BP
SA1)
BP_DST_PB1 (backplane PCIe 2 connector, cable marking BP
PB1)
Figure 42. PCIe cabling diagram of configuration 12 - 4 x 2.5-inch Universal backplane with H755 MX
46 Installing and removing system components
To
SIG_PWR_0 (system board power connector)
SL1_CPU1_PA1 (signal connector on the system board, cable
marking MB SL1)
SL6_PCH_SA1 (signal connector on the system board, cable
marking MB SL6)
SL2_CPU1_PB1 (signal connector on the system board, cable
marking MB SL2)