© Copyright IBM Corp. 2000
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Chapter 3. Installing and replacing devices
This chapter provides instructions for installing or replacing customer replaceable
units (CRUs), such as hot-swap drives, ESM boards, the bridge card, the switch card,
and power supplies.
Handling static-sensitive devices
Static electricity, though harmless to you, can seriously damage expansion unit
components or options.
Note:
When you are adding an internal option, do not open the static-protective
package containing the option until you are instructed to do so.
When you handle options and other expansion unit components, take these
precautions to avoid damage from static electricity:
•
Limit your movement. Movement can cause static electricity to build up around
you.
•
Always handle components carefully. Never touch any exposed circuitry.
•
Prevent others from touching components.
•
When you are installing a new option, touch the static-protective package
containing the option to an unpainted metal surface on the expansion unit for at
least two seconds. (This reduces static electricity from the package and from
your body.)
•
When possible, remove the option and install it directly into the expansion unit
without setting the option down. When this is not possible, place the static-
protective package that the option comes in on a smooth, level surface and place
the option on it.
•
Do not place the option on the expansion unit cover or on any metal surface.
•
When possible, wear an electro-static discharge (ESD) protective ground strap.
Working with hot-swap drives
This section explains how you can increase the expansion unit capacity by adding
more drives or replacing existing drives with larger capacity drives.
Before you begin
•
Read the safety and handling guidelines provided in “Safety” on page v and
"Handling static-sensitive devices."
•
Ensure that your current system configuration is working properly.
•
Back up all important data before you make changes to storage devices, such
as hard disk drives.
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