IBM XSERIES 255 TYPE 8685, Hardware Maintenance Manual And Troubleshooting Manual

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Chapter 4. Customer replaceable units
Your server supports many optional devices. This chapter provides instructions to
install, remove, and connect the optional devices that your server supports.
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
“Handling static-sensitive devices” on page 40, and read the safety statements in
“Safety information” on page 167.
v
You do not need to turn off the server to install or replace hot-swap power
supplies, hot-swap drives, hot-swap fans, Active
™
PCI and Active PCI-X
(hot-plug) adapters, or hot-plug Universal Serial Bus (USB) devices.
v The orange color on components and labels in your server identifies hot-swap or
hot-plug component. You can install or remove hot-swap and hot-plug
components while the system is running, provided that your system is configured
to support this function.
v
The blue color on components and labels identifies touch points where you can
grip a component, move a latch, and so on.
v 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.
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
http://www.ibm.com/pc/us/compat/ on the World Wide Web.
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 fan bays has a fan installed.
v The first two power-supply bays have a power supply installed.
v
There is at least 50 mm (2 inches) of ventilated space at the sides of the server
and 150 mm (6 inches) at the rear of the server.
v The server cover is in place during normal operation.
v
The server cover is removed for no longer than 30 minutes while the server is
operating.
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
with the adapters.
v
A failed fan is replaced as soon as possible.
v The air baffle is always installed in the server except when you are:
– Checking the LEDs that are located under the air baffle
– Installing, removing, disconnecting, or reconnecting the components that are
located under the air baffle
Working inside the server with the power on
Your server supports hot-plug, hot-add, and hot-swap devices and is designed to
operate safely while turned on with the cover removed. Follow these guidelines
when you work inside a server that is turned on:
© Copyright IBM Corp. 2002
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