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Chapter 2. Installing options
Before you begin
System reliability considerations
© Copyright IBM Corp. 2001
This chapter provides the basic information needed to install hardware options in
your server. This section is for all users, but is written with the experienced user in
mind. If you need more detailed installation information, see the User's Reference on
the IBM xSeries Documentation CD.
Before you begin to install options in your server, read the following information:
•
Become familiar with the safety and handling guidelines specified under
"Handling static-sensitive devices" on page 8, and read the safety statements in
"Safety" on page v. These guidelines will help you work safely while working
with your server or options.
•
You do not need to turn off the server to install or replace hot-swap power
supplies, hot-swap drives, hot-swap fans, Active peripheral component
interconnect (PCI) (hot-plug) adapters, or hot-plug USB devices.
•
The orange color on components and labels in your server identifies hot-swap or
hot-plug components. This means that you can install or remove the component
while the system is running, provided that your system is configured to support
this function.
•
The blue color on components and labels identifies touch points where you can
grip a component, move a latch, and so on.
•
Make sure that you have an adequate number of properly grounded electrical
outlets for your server, monitor, and any other options that you intend to install.
•
Back up all important data before you make changes to disk drives.
•
For a list of supported options for the xSeries 250, refer to
http://www.ibm.com/pc/us/compat on the World Wide Web.
To help ensure proper cooling and system reliability, make sure:
•
Each of the drive bays has either a drive or a filler panel installed.
•
Each of the power supply bays has either a power supply or a filler panel
installed.
•
There are at least 50 mm (2 inches) of ventilated space at the sides of the server
and 100 mm (4 inches) at the rear of the server.
•
The top cover is in place during normal operation.
•
The top cover is removed for no longer than 30 minutes while the server is
operating.
•
A removed hot-swap drive is replaced within two minutes of removal.
•
Cables for optional adapters are routed according to the instructions provided
with the adapters.
•
A failed fan is replaced within 48 hours.
7
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