IBM 8676 Hardware Maintenance Manual - Page 17
Server, power, features
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If you have an optional Remote Supervisor Adapter (system-management adapter) installed in PCI slot 1, your server has additional connectors and LEDs. See the Option Installation Guide for more information about these connectors and LEDs. Server power features When you connect the server to an ac power source, the server goes into Standby mode. After approximately 20 seconds, the power-control button becomes active, and you can turn on the server and start the operating system by pressing the power-control button. The following section describes other ways in which the server can be turned on. A power-control-button shield comes with your server. You can install this disk-shaped shield to prevent the server from being turned off accidentally. Turning on the server After the server is connected to an ac power source, it can be turned on in any of the following ways: v You can press the power-control button. v If a power failure occurs while the server is turned on, the server will restart automatically when power is restored. v If your operating system supports the system-management software for an optional Remote Supervisor Adapter, the system-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 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: v You can press the power-control button to start an orderly shutdown of the operating system, if your operating system supports this feature, and turn off the server. v If the operating system stops functioning, you can press and hold the power-control button for more than 4 seconds to turn off the server. v If the Wake on LAN feature turned on the server, the Wake on LAN feature can turn off the server. Chapter 1. General information 7