The following illustration shows the controls, LEDs, and connectors on the front of the server.
* Available on server models with hot-swap hard disk drives
| 1 Rack release latch (left) | 2 Operator information panel |
| 3 USB connector 1 | 4 USB connector 2 |
| 5 Optical drive bay | 6 Optical drive activity LED |
| 7 Optical drive eject button | 8 Rack release latch (right) |
| 9 Hard disk drive status LED* (yellow) | 10 Hard disk drive activity LED* (green) |
| 11 Hard disk drive bay 3 | 12 Hard disk drive bay 2 |
| 13 Hard disk drive bay 1 | 14 Hard disk drive bay 0 |
| 1 Rack release latch (left) | 2 Operator information panel |
| 3 USB connector 1 | 4 USB connector 2 |
| 5 Hard disk drive bay 0 | 6 Hard disk drive bay 2 |
| 7 Hard disk drive bay 4 | 8 Hard disk drive bay 6 |
| 9 Rack release latch (right) | 10 Hard disk drive bay 7 |
| 11 Hard disk drive bay 5 | 12 Hard disk drive bay 3 |
| 13 Hard disk drive bay 1 | 14 Hard disk drive status LED* (yellow) |
| 15 Hard disk drive activity LED* (green) | 16 Optical drive eject button |
| 17 Optical drive activity LED | 18 Optical drive bay |
| 1 Rack release latch (left) | 2 Operator information panel |
| 3 USB connector 1 | 4 USB connector 2 |
| 5 Hard disk drive bay 0 | 6 Hard disk drive bay 2 |
| 7 Hard disk drive bay 4 | 8 Hard disk drive bay 6 |
| 9 Rack release latch (right) | 10 Hard disk drive bay 7 |
| 11 Hard disk drive bay 5 | 12 Hard disk drive bay 3 |
| 13 Hard disk drive bay 1 | 14 Hard disk drive status LED* (yellow) |
| 15 Hard disk drive activity LED* (green) | 16 Optical drive eject button |
| 17Optical drive activity LED | 18 Optical drive bay |
Rack release latches:
Press the latches on each front side of the server to remove the server from the rack.
Hard disk drive activity LED:
This LED is used on hot-swap SAS or SATA hard disk drives. When this LED is flashing, it indicates that the drive is in use.
Hard disk drive status LED:
This LED is used on hot-swap SAS or SATA hard disk drives. When this LED is lit, it indicates that the drive has failed. If an optional ServeRAID controller is installed in the server, when this LED is flashing slowly (one flash per second), it indicates that the drive is being rebuilt. When this LED is flashing rapidly (three flashes per second), it indicates that the controller is identifying the drive.
USB connectors:
Connect a USB device, such as a USB mouse, keyboard, or other device to any of these connectors.
Optical drive eject button:
Press this button to eject the disc tray from the optical drive.
Optical drive activity LED:
When this LED is lit, it indicates that the optical drive is in use.
Operator information panel:
This panel contains controls and LEDs that provide information about the status of the server.