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Turning the System On and Off
79
Turning the System On and Off
This section describes the functions of the two power switches and how to turn the
system on and off.
About the Master Power Switch and Front Power Switch
The Origin200 server has two power switches: the master power switch and the front
power switch.
The master power switch is located at the rear of the system. This switch controls
whether or not current flows into the power supply.
•
When the master power switch is on, the power supply sends power (5 VDC) to the
system controller at all times. Because of this, you should turn the master power
switch off before servicing the Origin200, even if the system appears to be off
otherwise.
•
When the master power switch is off, no current flows to the power supply and the
system is completely off.
The front power switch is located on the front panel, between the 3.5-inch and 5.25-inch
drive bays.
•
When you press the switch to turn the system on, the module system controller
signals the power supply to send power to the other components of the server, thus
causing the system to boot.
•
When you press the switch to turn the system off, the module system controller
signals the power supply to immediately shut off current to the various parts of the
system (disk drives, CPU, PCI boards, and so forth). The system controller remains
active until the master power switch is turned off.
By default, to power the system on you must switch both the master power switch and
the front panel switch on. However, you can cause the system to power on automatically
when only the master power switch is turned on. See “Using the AUX Port and Module
System Controller Commands” on page 98.
Caution:
Wait at least 7 seconds between the time you turn the master power switch off
to when you turn it on again. If you do not wait at least 7 seconds, the system controller
may fail to initialize properly.
Содержание Origin200
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Страница 146: ...120 Chapter 5 Origin200 Cosmetic Features and Covers Figure 5 6 Opening the Chassis Access Door Tower Origin200 System ...
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