Raid Controller and IOM Removal / Replacement
Controller/IOM "A" is located in the upper left corner and controller/IOM "B" is located in the lower right corner when viewing the tray from the rear.
To remove and replace the controller or IOM:
If controller/IOM "A" is being replaced, press the tab on the right side of the latch/handle (1) and lift the latch/handle up at the same time to unlock the controller/IOM and pull the the controller/IOM out of the tray. If controller/IOM "B" is being replaced, press the tab on the left side of the latch/handle (1) and pull down on the latch/handle at the same time to unlock the controller/IOM and pull the controller/IOM out of the tray.
Note: This illustration shows the removal/replacement of the controller/IOM "A". Be sure to remove/replace the correct controller or IOM.