IBM System x3400 M3 Types 7378 Installation And User Manual page 83

h. Rotate the power-supply cage assembly out of the chassis. Lift up the
power-supply cage handle and pull the power-supply cage assembly all the
way up until the retainer latch locks the cage in place on the chassis.
i. Disconnect the power and signal cables of the DVD drive from the system
board.
j. Pull the power and signal cables of the UltraSlim DVD drive through the slim
slot on top of the 3.5-inch hard disk drive cage.
Chapter 2. Installing optional devices
67