IBM 71455RU, Installation And User Manual

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Operator
information
panel
USB connectors
DVD-eject
button
Hard disk drive
activity LED
Electrostatic-discharge connector
DVD drive
activity LED
Hard disk drive
status LED
Scalability
LED
Electrostatic-discharge connector: Connect a electrostatic-discharge wrist strap
to this connector when you work with static-sensitive devices.
DVD-eject button: Press this button to release a CD or DVD from the DVD drive.
DVD drive activity LED: When this LED is lit, it indicates that the DVD drive is in
use.
USB 1 and 2 connectors: Connect USB devices to these connectors.
Scalability LED: This LED is lit and remains on during POST on the primary server
when the UEFI and the IMM detect more than four microprocessors. This LED is lit
and remains on after POST on the secondary server.
Hard disk drive 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. If
an optional IBM ServeRAID controller is installed in the server, when this LED is
flashing slowly (one flash per second), it indicates that the drive is being rebuilt.
When the LED is flashing rapidly (three flashes per second), it indicates that the
controller is identifying the drive.
Operator information panel
The following illustration shows the controls and LEDs on the operator information
panel.
Information LED
System-error LED
1 2
Ethernet icon LED
Power-control button/power-on LED
Ethernet port activity LEDs
Locator button/locator LED
Power-control button cover
The following controls and LEDs are on the operator information panel:
v Power-control button and power-on LED: Press this button to turn the server
on and off manually or to wake the server from a reduced-power state. The
states of the power-on LED are as follows:
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IBM System x3850 X5 and x3950 X5 Types 7145 and 7146: Installation and User’s Guide