IBM xSeries 440 8687, Hardware Maintenance Manual

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Server controls and indicators
The following section identifies the controls and indicators on the front and rear of
the server.
Front view
Power button
Reset button
Power-on light
Hard disk drive activity light (green)
Hard disk drive error light (amber)
USB port
System-error light
(amber)
Information light
(amber)
SCSI activity light
(green)
Locator light
(blue)
CD-ROM drive eject button
CD eject button
CD-ROM drive activity light
Power supply
latch
Diskette drive
activity light
Diskette eject
button
Diskette drive
eject button
Power-on light: This green light turns on and stays on when you turn on the
server, and it blinks when the server is in Standby mode.
Hard disk drive activity light: When this green light is on, it indicates that the hard
disk drive is in use.
Hard disk drive error light: When this amber light is on, it indicates that there is a
problem with the hard disk drive.
USB port: This is an automatically configured port that you can use to connect one
or more USB devices to the front of the server, using Plug and Play technology.
System-error light: When this amber light is on, it indicates a system error has
occurred.
Information light: When this amber light is on, it indicates information about a
system error has been placed in the System Error log.
SCSI activity light: This green light indicates SCSI activity for the internal SCSI
bus channel.
Notes:
1. If the on-board SCSI is disabled, the LED will remain illuminated.
2. If the system is equipped with a RAID card or add-in SCSI card and the
on-board SCSI is enabled but not connected, the LED will be illuminated during
POST and will then turn off.
General information
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