Hard Drives - Dell PowerEdge R520 Owner's Manual

CAUTION: To prevent damage to the memory-module socket during installation, apply pressure at both ends
of the memory module evenly. Do not apply pressure to the center of the memory module.
7. Press down on the memory module with your thumbs until the memory module snaps into place.
Figure 19. Installing The Memory Module
1. memory module
2. memory-module ejectors
3. memory-module socket alignment key
4. memory-module alignment key
NOTE: When the memory module is properly seated in the socket, the levers on the memory-module socket
align with the levers on the other identical sockets that have memory modules installed.
8. Repeat step 4 through step 7 of this procedure to install the remaining memory modules.
9. Replace the cooling shroud.
10. Close the system.
11. Reconnect the system to its electrical outlet and turn on the system, including any attached peripherals.
12. Press <F2> to enter the System Setup, and check the memory settings.
The system should have already changed the value to reflect the newly installed memory.
13. If the value is incorrect, one or more of the memory modules may not be installed properly. Repeat step 4 through
step 7 of this procedure, checking to ensure that the memory modules are firmly seated in their sockets.
14. Run the appropriate diagnostic test. For more information, see Using System Diagnostics.

Hard Drives

Your system supports:
• up to eight 3.5 inch or 2.5 inch hot-swappable hard drives
• up to four 3.5 inch or 2.5 inch hot-swappable hard drives for software RAID
NOTE: On software RAID systems, slots 4 through 7 are not functional and are pre-installed with dual slot hard-
drive blanks.
All hard drives connect to the system board through the hard-drive backplane. Hot-swappable hard drives are supplied
in hot-swappable hard-drive carriers that fit in the hard-drive slots.
48