IBM eServer 220 xSeries Installation Manual

Also see for 220: Service guide Configuration and options guide Hardware Maintenance Manual

Contents

Chapter 3. Server power, controls, and indicators 37Server controls and indicatorsThe following illustrations show the controls and indicators on the front of the server.CD-ROM eject button: Press this button to release a CD from the drive.CD-ROM drive activity light: When this light is on, it indicates that the CD-ROMdrive is in use.Diskette-eject button: Press this button to release a diskette from the drive.Diskette-drive activity light: When this light is on, it indicates that the diskette driveis in use.SCSI activity light: When this green light is flashing, the controller is accessing a SCSIdevice; for example, a hard disk drive.Note: Hot-swap hard disk drives also have an activity light. This light is also knownas the SCSI hard disk drive activity light.If your server has a ServeRAID controller and this light flashes slowly (one flash persecond), the drive is being rebuilt. When the light flashes rapidly (three flashes persecond), the controller is identifying the drive.Power-on light: When this green light is on, system power is present in the server.Power-control button: Press this button to manually turn the server on or off.System error light: When this amber light is on, it indicates that a system error hasoccurred. An amber error light on the interior of the server, adjacent to the faultycomponent, will also be on to further isolate the error. Refer to the User’s Reference onCD-ROMeject buttonCD-ROM driveactivity lightDiskette-ejectbuttonSCSIactivity lightPower-onlightPower-controlbuttonSystem errorlightDiskette driveactivity light