Power-control button shield: You can install this circular disk over the power-control button to prevent accidental manual power-off. This disk is provided with your server.
Reset button: Press this button to reset the server and run the power-on self-test (POST).
ACT (activity) LED: This green LED is on when there is activity on the server.
INFO (system information) LED: When this amber LED is on, the server power supplies are nonredundant, or some other noncritical event has occurred. The event is recorded in the Error log. Check the Light Path Diagnostics panel for more detailed information.
FAULT (system-error) LED: This amber LED is on when a system error occurs. An LED on the Light Path Diagnostics panel will also be on to further isolate the error.
Hard disk drive activity LED: Each hot-swap drive has a hard disk drive activity LED. When this green LED is flashing, the drive is being accessed.
Hard disk drive status LED: Each hot-swap drive has a hard disk drive status LED. When this amber LED is on continuously, the drive has failed. If an optional SCSI or RAID adapter is installed in the server, when the LED flashes slowly (one flash per second), the drive is being rebuilt. When the LED flashes rapidly (three flashes per second), the controller is identifying the drive.
Diskette drive activity LED: When this LED is on, it indicates that the diskette drive is in use.
Diskette-eject button: Press this button to release a diskette from the drive.
CD-ROM drive activity LED: When this LED is on, it indicates that the CD-ROM drive is in use.
CD-eject button: Press this button to release a CD from the drive.