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Chapter 1
Overview
Powering the Server On and Off
42
Powering the Server On and Off
This section provides information on how to power off and power on the server.
Power States
The server has three power states:
•Standby power
•Full power
•Off
Plug the power cord into the appropriate receptacle on the rear of the server to achieve the standby power
state; the front panel power button is not turned on. Full power occurs when the power cord is plugged into
the appropriate receptacle and either the power is activated through the iLO MP PC command, or the power
button is activated. In the off state, the power cords are not plugged in.
Table 1-17 lists the server power states.
Table 1-16 I/O Baseboard LEDs, Buttons, and Sensors
LED/Button Color Status Condition
12V VRM Power LED Green On 12V VRM is functioning.
5V VRM Power LED Green On 5V VRM is functioning.
3.3V VRM Power LED Green On 3.3V VRM is functioning.
iLO MP Heartbeat Green Blinking The iLO MP is functioning correctly.
iLO MP Self Test LED Amber On
Off
The iLO MP is executing the internal self test.
The iLO MP passed the internal self test.
BMC Heartbeat Green Blinking The baseboard management controller (BMC) is
functioning correctly.
3.3 VSB Power LED Green On Standby power is available.
iLO MP Soft Reset
Button
N/A Press Resets the iLO MP values.
Table 1-17 Power States
Power States
Power Cable
Plugged Into
Receptacle?
Power Activated through the
iLO MP PC Command; or
Front Panel Power Button
Activated?
Standby
DC Voltage
Applied?
DC Voltage
Applied?
Standby power Yes No Yes No