Server controls, LEDs, and powerThis section describes the controls and light-emitting diodes (LEDs) and how to turnthe server on and off.Front viewThe following illustration shows the controls, LEDs, and connectors on the front ofthe server. Except for the CD or DVD drive activity LED, the CD-eject or DVD-ejectbutton, and the rack release latches, these controls, LEDs, and connectors are onthe operator information panel.Power-control buttonReset buttonPower-on LEDHard disk drive activity LEDSystem-error LEDUSB port connectors (2)CD-eject or DVD-eject button CD or DVD drive activity LEDSystem locator LEDRack release latchRack release latchCD or DVD drive activity LED: When this LED is lit, it indicates that the CD driveor DVD drive is in use.CD-eject or DVD-eject button: Press this button to release a CD from the CDdrive or a DVD from the DVD drive.Rack release latches: Each side of the front of the server has a rack release latch.Press these latches to remove the server from the rack.Operator information panel: This panel contains controls, LEDs, and connectors.The following illustration shows the operator information panel.Power-control buttonPower-control button shieldReset buttonPower-on LED (green)Hard disk drive activity LED (green)System-error LED (amber)Locator LED (blue)USB connectors (2)The following controls, LEDs, and connectors are on the operator information panel:v Power-control button: Press this button to turn the server on and off manually.You might have to use a pen or the end of a straightened paper clip to press thebutton.A power-control-button shield comes with the server. You can install it to preventthe server from being turned off accidentally.8 System x3455 Types 7984 and 7986: User’s Guide
