Dell PowerEdge XE9640 Installation And Service Manual page 85

Figure 45. Removing the drive backplane
3. To remove the cables from the PDB of the bottom layer, first
tray. Disconnect the backplane cables connected on the PSB of the bottom layer.
Figure 46. Cabling diagram
Table 65. 4 x 2.5-inch backplane cable connections
Order
1
2
3
Remove the storage
From
MB-SIG_PWR_1 (system board power
connector)
PSB-CTRL_SRC_PB4 (signal
connector on system board)
PSB-CTRL_SRC_PB1 (signal connector
on system board)
tray, and then
To
BP-BP_PWR_1 (backplane signal
connector)
BP_DST_PB1 (backplane signal
connector )
BP_DST_PA1 (backplane signal
connector )
Installing and removing system components
Remove the system board
85