program or purchase the CD, go to http://www.ibm.com/systems/x/systems_management/ ibm_director/extensions/xpress.html.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. This configuration supports up to four 2.5-inch hot-swappable hard diskdrives.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 controls, LEDs, and connectors on the front ofthe server. This configuration supports up to two 3.5-inch hot-swappable hard diskdrives or two 3.5-inch simple-swap SATA hard disk drives.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 Operator information panel: This panel contains controls and LEDs about thestatus of the server.Power-onLED (green)SystemlocatorLED (blue)Power-controlbuttonSysteminformationLED (amber)System-errorLED (amber)ReleaselatchHard driveactivityLED (green)10 IBM System x3550 Type 7978: User’s Guide
