Lenovo ThinkStation P300 Hardware Maintenance Manual page 179

a. press the release button
slim optical drive out of the front of the 5.25-inch cage assembly.
Figure 156. Removing the slim optical drive in the 5.25-inch cage assembly
b. Remove the two screws that secure the slim optical drive retainer.
Figure 157. Removing the slim optical drive retainer
1 to eject the tab 2 that secures the slim optical drive. Then, slide the
.
Chapter 8 Replacing FRUs
173