Removing the Rear Backplane
1. Remove all drives and power supplies from the rear of the chassis.
2. Remove the chassis cover.
3. Unplug all fan headers (6), 4-pin Molex cables (2), and SAS cables (7, 8, 9, 10) from the backplane.
4. Facing the front of the JBOD, remove the following screws from the right side (highlighted in red):
5. Facing the front of the JBOD, remove the following screws from the left side (highlighted in red):
6. Inside of the chassis, remove the following screws from the backplane cage (highlighted in red):
7. Slide the power supply cage and upper drive cage out the back of the chassis, until the remaining screw points are accessible. Remove the remaining screws holding the backplane in place (highlighted in red):