Position the power supply in the system and slide it towards the rear.
Secure the power supply to the rear chassis with the four screws.
Connect the power cable to the disk drive and route the cables through the cable clamp, then push the drive back into the bay until secured by the latch.
Connect the following cables:
P6 optical drive
P7 diskette drive
P2 system board
P1 system board
Return the system to the operational position. Carefully rotate the drive bay assembly to the closed position, ensuring the cables are properly routed in the bay to avoid damage.
Close the top cover. Rotate the cover down until secured by the latches.