Dell PowerEdge 2970 - Manual (Page 16)

16
Information Update
Removing the SAS/SATA Backplane Board
WARNING:
Only trained service technicians are authorized to remove the system
cover and access any of the components inside the system. See your Product
Information Guide for complete information about safety precautions, working
inside the computer, and protecting against electrostatic discharge.
1 Turn off the system and attached peripherals, and disconnect the system
from the electrical outlet.
2 Open the system. See "Opening the System" in your Hardware Owner’s
Manual.
3 Open the drive-carrier release handle on each hard drive and partially
extend all of the hard drives from their bays. See Figure 1-3.
NOTE:
If you choose to remove the hard drives, be sure to record which hard
drive you remove from which bay. See "Removing a Hot-Plug Hard Drive"
in your Hardware Owner’s Manual.