Chapter 4. Customer Replaceable Units; Before You Begin; System Reliability Considerations - IBM Xseries 345 8670 Maintenance Manual

Chapter 4. Customer replaceable units

This chapter provides instructions for adding options to your server. Some
option-removal instructions are provided in case you need to remove one option to
install another.

Before you begin

Before you begin to install options in your server, read the following information:
v Become familiar with the safety and handling guidelines specified under
v You do not need to turn off the server to install or replace hot-swap power
v The orange color on components and labels in your server identifies hot-swap or
v The blue color on components and labels identifies touch points where you can
v Make sure that you have an adequate number of properly grounded electrical
v Back up all important data before you make changes to disk drives.
v For a list of supported options for your server, go to

System reliability considerations

To help ensure proper cooling and system reliability, make sure that:
v Each of the drive bays has either a drive or a filler panel installed.
v Each of the power-supply bays has a power supply or a power supply filler panel
v For rack configurations, make sure that space is available around the server to
v The server cover is in place during normal operation.
v The air-baffle cover over the microprocessors remains closed during normal
v The air baffle is installed between the fans and the power supply.
v A removed hot-swap drive is replaced within 2 minutes of removal.
v Cables for optional adapters are routed according to the instructions provided
v A failed fan is replaced within 48 hours.
v The server is turned off and the power cords are disconnected before you open
v The air-baffle assembly is always installed in the server except when you are
© Copyright IBM Corp. 2002
"Handling static-sensitive devices" on page 42, and read the safety statements in
"Safety information" on page 121.
supplies, hot-swap drives, hot-swap fans, Active
hot-plug Universal Serial Bus (USB) devices (if these devices are supported).
hot-plug components. You can install or remove hot-swap and hot-plug
components while the server is running, provided that your server is configured
to support this function. For complete details about installing or removing a
hot-swap or hot-plug component, see the detailed information in this chapter.
grip a component, move a latch, and so on.
outlets for your server, monitor, and any other options that you intend to install.
http://www.ibm.com/pc/us/compat/ on the World Wide Web.
installed.
enable the server cooling system to work properly. See the documentation that
comes with the rack for additional information.
operation.
with the adapters.
the air-baffle cover.
installing or removing the components that are located under the air-baffle cover.
™
PCI (hot-plug) adapters, or
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