Turning off the serverUse this information to turn off the server.When you turn off the server and leave it connected to power, the server canrespond to requests to the service processor, such as a remote request to turn onthe server. While the server remains connected to power, one or more fans mightcontinue to run. To remove all power from the server, you must disconnect it fromthe power source.Some operating systems require an orderly shutdown before you turn off theserver. See your operating-system documentation for information about shuttingdown the operating system.Statement 5CAUTION:The power control button on the device and the power switch on the powersupply do not turn off the electrical current supplied to the device. The devicealso might have more than one power cord. To remove all electrical current fromthe device, ensure that all power cords are disconnected from the power source.12The server can be turned off in any of the following ways:v You can turn off the server from the operating system, if your operating systemsupports this feature. After an orderly shutdown of the operating system, theserver will turn off automatically.v You can press the power-control button to start an orderly shutdown of theoperating system and turn off the server, if your operating system supports thisfeature.v If the operating system stops functioning, you can press and hold thepower-control button for more than 4 seconds to turn off the server.v The server can be turned off by Wake on LAN feature with the followinglimitation:Note: When you install any PCI adapter, the power cords must be disconnectedfrom the power source before you remove the PCI Express riser-card assemblyand the PCI-X riser-card assembly. Otherwise, the Wake on LAN feature mightnot work.v The Integrated Management Module (IMM) can turn off the server as anautomatic response to a critical system failure.Chapter 1. The IBM System x3550 M4 server 23
