Dell PowerEdge R940 EMC Installation and Service Manual - Page 91

Removing drive backplane

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Figure 47. Connectors on the 8 x 2.5 inch drive backplane 1. SAS connector (BP SAS B) 3. power connector (BP PWR) 2. SAS connector (BP SAS A) 4. signal connector (BP SIG) Removing 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. 1. Follow the safety guidelines listed in Safety instructions on page 65. 2. Follow the procedure listed in Before working inside your system on page 66. 3. If installed, remove the front bezel. 4. Remove the drives. 5. Remove the fan cage. Steps 1. To remove the 2.5-inch (x24) drive backplane: a. Disconnect all the cables connected to the drive backplane and expander board. NOTE: To disconnect the NVMe cables, ensure that you remove the NVMe cables routed through the side of the system by lowering the fan tray side wall. b. Loosen the retention screw that secures the expander board to the system. c. Press the blue release tabs on the drive backplane. d. Tilt the backplane to disengage the guides on the system from the slots on the backplane. e. Lift the backplane out of the system. Installing and removing system components 91

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Figure 47. Connectors on the 8 x 2.5 inch drive backplane
1.
SAS connector (BP SAS B)
2.
SAS connector (BP SAS A)
3.
power connector (BP PWR)
4.
signal connector (BP SIG)
Removing 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.
1.
Follow the safety guidelines listed in
Safety instructions
on page 65.
2.
Follow the procedure listed in
Before working inside your system
on page 66.
3.
If installed,
remove the front bezel
.
4.
Remove the drives
.
5.
Remove the fan cage
.
Steps
1.
To remove the 2.5-inch (x24) drive backplane:
a.
Disconnect all the cables connected to the drive backplane and expander board.
NOTE:
To disconnect the NVMe cables, ensure that you remove the NVMe cables routed through the side of the
system by lowering the fan tray side wall.
b.
Loosen the retention screw that secures the expander board to the system.
c.
Press the blue release tabs on the drive backplane.
d.
Tilt the backplane to disengage the guides on the system from the slots on the backplane.
e.
Lift the backplane out of the system.
Installing and removing system components
91