Lenovo ThinkCentre A70 7099 Hardware Maintenance Manual page 151

10. Hold the new optical drive and pivot the drive bay assembly upward. Align
the screw holes in the new optical drive with the corresponding holes in the
side of the drive bay assembly. Then, install the two screws to secure the new
optical drive in place.
Figure 63. Installing the two screws to secure the optical drive
11. Connect one end of the signal cable to the rear of the new optical drive and
the other end to an available SATA connector on the system board. See
"Locating parts on the system board" on page 120. Then, locate an available
five-wire power connector and connect it to the rear of the new optical drive.
Figure 64. Connecting a SATA optical drive
12. To complete the replacement, go to "Completing the parts replacement" on
page 157.
Chapter 9. Replacing FRUs - Desktop computers
145