Acer Altos R720 Series - Manual (Page 45)

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Installation precautions
Before you install any server component, we recommend that you read
the following sections. These sections contain important ESD
precautions along with pre-installation and post-installation
instructions.
ESD precautions
Electrostatic discharge (ESD) can damage the processor, disk drives,
expansion boards, motherboard, memory modules and other server
components. Always observe the following precautions before you
install a server component:
1 Do not remove a component from its protective packaging until
you are ready to install it.
2 Wear a wrist grounding strap and attach it to a metal part of the
server before handling components. If a wrist strap is not
available, maintain contact with the server throughout any
procedure requiring ESD protection.
Pre-installation instructions
Perform the steps below before you open the server or before your
remove or replace any component:
1 Turn off the system and all the peripherals connected to it.
2 Unplug all cables from the power outlets.
3 Place the system unit on a flat, stable surface.
4 Open the system according to the instructions on page 37.
5 Follow the ESD precautions described in this section when
handling a server component.
6 Remove any hardware structure or cable that block access to the
component you must replace or upgrade.
See the following sections for specific installation instructions on the
component you want to install.