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Working inside the server with the power on
The server supports hot-swap devices and is designed to operate safely while it is
turned on and the cover is removed. Follow these guidelines when you work inside
a server that is turned on:
v Avoid wearing loose-fitting clothing on your forearms. Button long-sleeved shirts
v Do not allow your necktie or scarf to hang inside the server.
v Remove jewelry, such as bracelets, necklaces, rings, and loose-fitting wrist
v Remove items from your shirt pocket, such as pens and pencils, that could fall
v Avoid dropping any metallic objects, such as paper clips, hairpins, and screws,
Handling static-sensitive devices
Attention:
To avoid damage, keep static-sensitive devices in their static-protective packages
until you are ready to install them.
To reduce the possibility of damage from electrostatic discharge, observe the
following precautions:
v Limit your movement. Movement can cause static electricity to build up around
v Handle the device carefully, holding it by its edges or its frame.
v Do not touch solder joints, pins, or exposed circuitry.
v Do not leave the device where others can handle and damage it.
v While the device is still in its static-protective package, touch it to an unpainted
v Remove the device from its package and install it directly into the server without
v Take additional care when handling devices during cold weather. Heating reduces
Server power features
When the server is connected to an ac power source but is not turned on, the
operating system does not run, and all core logic except for the service processor is
shut down; however, the server can respond to requests from the service processor
(also called the baseboard management controller), such as a remote request to
turn on the server. The power-on LED flashes to indicate that the server is
connected to ac power but is not turned on.
Turning on the server
Approximately 20 seconds after the server is connected to ac power, the
power-control button becomes active, one or more fans might start running, and you
can turn on the server and start the operating system by pressing the power-control
button.
12
IBM xSeries 236 Type 8841: Option Installation Guide
before working inside the server; do not wear cuff links while you are working
inside the server.
watches.
into the server as you lean over it.
into the server.
Static electricity can damage electronic devices, including the server.
you.
metal part of the server for at least 2 seconds. This drains static electricity from
the package and from your body.
setting down the device. If it is necessary to set down the device, put it back into
its static-protective package. Do not place the device on the server cover or on a
metal surface.
indoor humidity and increases static electricity.
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