Front viewThe following illustration shows the 2.5-inch hard disk drive server model.2.5-inch hard disk drivesVideo connectorUSB 4 connectorUSB 3 connectorRack release latchRack release latch Operator informationpanelCD-RW/DVD drive activity LEDHard disk driveactivity LEDHard disk drivestatus LED CD-RW/DVD eject buttonThe following illustration shows the hot-swap or simple-swap 3.5-inch hard diskdrive server model.Operator information panelRack release latchRack release latchCD-RW/DVD eject buttonCD-RW/DVD driveactivity LED3.5-inch hard disk drivesVideo connectorUSB 4 connectorUSB 3 connectorHard disk driveactivity LED (SAS model)Hard disk drivestatus LED (SAS model)Note: The locations of the controls, LEDs, and connectors vary, depending on thehardware configuration that you have.v The following illustration shows the operator information panel. This panelcontains controls and LEDs that indicate the status of the server.Power-onLED (green)SystemlocatorLED (blue)Power-controlbuttonSysteminformationLED (amber)System-errorLED (amber)ReleaselatchHard driveactivityLED (green)– Power-on LED: When this green LED is lit and not flashing, it indicates thatthe server is turned on. When this LED is flashing, it indicates that the serveris turned off and is still connected to an ac power source. When this LED isoff, it indicates that ac power is not present, or the power supply or the LEDitself has failed. A power LED is also on the rear of the server.Note: If this LED is off, it does not mean that there is no electrical power inthe server. The LED might be burned out. To remove all electricalpower from the server, you must disconnect the power cord from theelectrical outlet.Chapter 1. The System x3350 Types 4192 and 4193 server 9