IBM 8668 Hardware Maintenance Manual - Page 17

Turning on the server, Rear view tower shown, AC power light

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Rear view (tower shown) DC power LED (green) AC power LED (green) DC power LED (green) DC AC GOOD GOOD AC power LED (green) Two 250-watt configuration 385-watt configuration AC power light: This green light provides status information about the power supply. During typical operation, both the ac and dc power lights are on. DC power light: This green light provides status information about the power supply. During typical operation, both the ac and dc Power lights are on. Turning on the server After you plug the power cord of your server into the power supply and an electrical outlet, the server can be started in any of the following ways: v You can press the power-control button on the front of the server to start the server. v If the server is turned on, a power failure occurs, and unattended-start mode is enabled in the Configuration/Setup Utility program, the server will start automatically when power is restored. v If ac power is present, the server is off, and the wake-up feature is enabled in the Configuration/Setup Utility program, the wake-up feature will turn on the server at the set time. v If ac power is present, the system is off, and the Wake on LAN feature is enabled, the system can be turned on by a network wake-up frame from the onboard Intel Ethernet controller. v If ac power is present, the system is off, and the system is connected to an ASM interconnect network, which contains at least one system with an optional Remote Supervisor Adapter installed, the system can be turned on from the Remote Supervisor Adapter user interface. v If ac power is present, the system is off, and an optional Remote Supervisor Adapter is installed in the system, the system can be turned on from the Remote Supervisor Adapter user interface. General information 9

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Rear view (tower shown)
DC power
LED (green)
DC power
LED (green)
AC power
LED (green)
AC power
LED (green)
DC
GOOD
AC
GOOD
Two 250-watt configuration
385-watt configuration
AC power light:
This green light provides status information about the power
supply. During typical operation, both the ac and dc power lights are on.
DC power light:
This green light provides status information about the power
supply. During typical operation, both the ac and dc Power lights are on.
Turning on the server
After you plug the power cord of your server into the power supply and an
electrical outlet, the server can be started in any of the following ways:
v
You can press the power-control button on the front of the server to start the
server.
v
If the server is turned on, a power failure occurs, and unattended-start mode is
enabled in the Configuration/Setup Utility program, the server will start
automatically when power is restored.
v
If ac power is present, the server is off, and the wake-up feature is enabled in
the Configuration/Setup Utility program, the wake-up feature will turn on the
server at the set time.
v
If ac power is present, the system is off, and the Wake on LAN feature is
enabled, the system can be turned on by a network wake-up frame from the
onboard Intel Ethernet controller.
v
If ac power is present, the system is off, and the system is connected to an ASM
interconnect network, which contains at least one system with an optional
Remote Supervisor Adapter installed, the system can be turned on from the
Remote Supervisor Adapter user interface.
v
If ac power is present, the system is off, and an optional Remote Supervisor
Adapter is installed in the system, the system can be turned on from the Remote
Supervisor Adapter user interface.
General information
9