IBM 8669 - Eserver xSeries 342 Hardware Maintenance Manual page 20

v You can press and hold the power-control button for more than 4 seconds to
v You can disconnect the server power cords from the electrical outlets to shut off
v If the system was turned on by the wake-up feature or Wake on LAN feature, you
v The Integrated System Management Processor can turn off the server.
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Hardware Maintenance Manual: xSeries 342 Type 8669
cause an immediate shutdown of the server and place the server in standby
mode. You can use this feature if the operating system hangs.
all power to the server.
Note: Wait about 15 seconds after disconnecting the power cords for the system
to stop running. Watch for the System Power light on the operator
information panel to stop blinking.
can turn it off by either a software routine or by the fail-safe, power-down
counter.