HP Proliant DL580 - Removing the SAS-SATA Hard Drive Cage

52 HP ProLiant DL580 Generation 3 Server Maintenance and Service Guide
3. Remove the hard drive.
Removing the SAS-SATA hard drive cage
1. Power down the server ("Powering down the server" on page 18).
2. Remove the access panel ("Removing the access panel" on page 19
).
3. Remove all hard drives ("Removing a hot-plug SAS hard drive" on page 51
)
and hard drive blanks ("Removing a hard drive blank" on page 49
).
4. Remove the screws securing the SAS hard drive cage.