IBM 8874 Installation Guide - Page 47
Turning, server
UPC - 000435813008
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Turning on the server Approximately 20 seconds after the server is connected to ac power, the power-control button becomes active, and one or more fans might start running to provide cooling while the server is connected to power. You can turn on the server and start the operating system by pressing the power-control button. Note: If a Remote Supervisor Adapter II SlimLine is installed in the server, during initial startup, the server might appear to be unresponsive for an unusual length of time (one minute to several minutes). The server can also be turned on in any of the following ways: v If a power failure occurs while the server is turned on, the server will restart automatically when power is restored. v If the server is installed in a static partition, you can turn on the server and start the operating system by pressing the power-control button on the primary node in the partition. v If your operating system supports the systems-management software for the Remote Supervisor Adapter II SlimLine, the systems-management software can turn on the server. v If your operating system supports the Wake on LAN® feature, the Wake on LAN feature can turn on the server. Turning off the server When you turn off the server and leave it connected to ac power, the server can respond to requests from the service processor, such as a remote request to turn on the server. While the server remains connected to ac power, one or more fans might continue to run. To remove all power from the server, you must disconnect it from the power source. Some operating systems require an orderly shutdown before you turn off the server. See your operating-system documentation for information about shutting down the operating system. Statement 5: CAUTION: The power control button on the device and the power switch on the power supply do not turn off the electrical current supplied to the device. The device also might have more than one power cord. To remove all electrical current from the device, ensure that all power cords are disconnected from the power source. 2 1 The server can be turned off in any of the following ways: Chapter 3. Server controls, connectors, LEDs, and power 35