Removing The Cover - IBM System x3455 Installation Manual

Types 7984 and 7986
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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

Removing the cover

Important: Before you install optional hardware, make sure that the server is
Attention:
v For proper cooling and airflow, replace the cover before you turn on the server.
v Do not remove the server cover with the power on.
To remove the cover (with the server out of the rack), complete the following steps.
1. Read the safety information that begins on page v, and "Installation guidelines"
2. Turn off the server and all attached peripheral devices. Disconnect all power
3. Remove the cover from the server:
metal surface on the outside 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.
working correctly. Start the server, and make sure that the operating
system starts, if an operating system is installed, or that a 1962 error
code is displayed, indicating that an operating system was not found
but the server is otherwise working correctly. If the server is not working
correctly, see Chapter 6, "Solving problems," on page 45 for diagnostic
information.
Operating the server for extended periods of time with the cover removed might
damage server components.
on page 7.
cords; then, disconnect all external signal cables from the server.
a. Loosen the captive screw on the back of the cover.
b. Disengage the tabs on the sides of the cover from the matching slots on the
sides of the chassis.
Captive screw
Chapter 2. Installing optional devices
9

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