IBM Aptiva Series Hardware Maintenance page 119

Note: If you want to install another 3.5-inch drive, such as a hard disk drive,
see the procedure in "Bay 5 (3.5-In. Internal Bay)" on page 4-14. Otherwise,
proceed to following steps for re-install.
•
Attach the upper drive frame back to the lower drive frame and click it into
place.
•
Insert the drive frame into the 3.5-inch drive bay and click it into place.
Figure 4- 9 Reattach the 3.5-inch drive
4-12