Removing Hard Drive Backplane - Dell EMC PowerEdge R940 Installation And Service Manual

7 power connector (J_BP_PWR_A)
9 power connector (J_BP_PWR_B)
Figure 40. Connectors on the expander board
1 SAS connector (BP SAS B0)
3 SAS connector (BP SAS A)
5 SAS connector (BP SAS C)
7 SAS connector (BP SAS B1)
Figure 41. Connectors on the 8 x 2.5 inch hard drive backplane
1 SAS connector (J_SAS_B)
3 power connector (J_BP_PWR)

Removing hard drive backplane

Prerequisites
CAUTION: To prevent damage to the drives and backplane, remove the hard drives from the system before removing the
backplane.
CAUTION: Note the number of each hard drive and temporarily label them before you remove the hard drive so that you can
replace them in the same location.
86 Installing and removing system components
8 signal connector (J_BP_SIG)
2 SAS connector (BP SAS A0)
4 SAS connector (BP SAS B)
6 SAS connector (BP SAS A1)
2 SAS connector (J_SAS_A)
4 signal connector (J_BP_SIG)