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The following controls, LEDs, and connectors are on the operator information panel:
v Power-control button: Press this button to turn the server on and off manually.
v Power-on LED: When this LED is lit and not flashing, it indicates that the server
v Hard disk drive activity LED: when this LED is flashing, it indicates that a hard
v System-locator LED: Use this LED to visually locate the server among other
v Information LED: When this LED is lit, it indicates that a noncritical event has
v System-error LED: When this LED is lit, it indicates that a system error has
v Release latch: Slide this latch to the left to access the light path diagnostics
USB connectors: Connect a USB device, such as USB mouse, keyboard, or other
USB device, to either of these connectors.
Video connector: Connect a monitor to this connector.
Hard disk drive activity LED: On some server models, each hot-swap hard disk
drive has an activity LED. When this LED is flashing, it indicates that the drive is in
use.
Hard disk drive status LED: On some server models, each hot-swap hard disk
drive has a status LED. When this LED is lit, it indicates that the drive has failed.
When this LED is flashing slowly (one flash per second), it indicates that the drive is
being rebuilt as part of a RAID configuration. When the LED is flashing rapidly
(three flashes per second), it indicates that the controller is identifying the drive.
CD/DVD-eject button: Press this button to release a CD or DVD from the
CD-RW/DVD drive.
34
IBM System x3655 Type 7985: Installation Guide
Power-on
Hard disk drive
LED
activity LED
Power-control
System
button
locator
LED
A power-control-button shield comes installed on the server to prevent the server
from being turned off accidentally.
is turned on. When this LED is flashing, it indicates that the server is turned off
and still connected to an ac power source. When this LED is off, it indicates that
ac power is not present, or the power supply or the LED itself has failed.
Note: If this LED is off, it does not mean that there is no electrical power in the
server. The LED might be burned out. To remove all electrical power from the
server, you must disconnect the power cord from the electrical outlet.
disk drive is in use.
servers. You can use IBM Director to light this LED remotely.
occurred. An LED on the light path diagnostics panel is also lit to help isolate the
error.
occurred. An LED on the light path diagnostics panel is also lit to help isolate the
error.
panel.
Information
Release
latch
LED
System-error
LED
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