Chapter 4. Removing And Replacing Computer Components; Installation Guidelines; System Reliability Considerations - IBM IntelliStation A Pro 6217 Service Manual

Chapter 4. Removing and replacing computer components

Replaceable components are of three types:
v Tier 1 customer replaceable unit (CRU): Replacement of Tier 1 CRUs is your
v Tier 2 customer replaceable unit: You can install a Tier 2 CRU yourself or
v Field replaceable unit (FRU): FRUs must be installed only by trained service
For information about the terms of the warranty and getting service and assistance,
see the Warranty and Support Information document.

Installation guidelines

Before you remove or replace a component, read the following information:
v Read the safety information that begins on page vii and "Handling static-sensitive
v Observe good housekeeping in the area where you are working. Place removed
v Do not attempt to lift an object that you think is too heavy for you. If you have to
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 Have a small flat-blade screwdriver available.
v When you have to access the inside of the computer, you might find it easier to
v Blue on a component indicates touch points, where you can grip the component
v When you are finished working on the computer, reinstall all safety shields,
v For a list of supported options for the computer, see http://www.ibm.com/pc/

System reliability considerations

To help ensure proper system cooling and system reliability, make sure that:
v Each of the drive bays has a drive or a filler panel and electromagnetic
© Copyright IBM Corp. 2005
responsibility. If IBM installs a Tier 1 CRU at your request , you will be charged
for the installation.
request IBM to install it, at no additional charge, under the type of warranty
service that is designed for your computer.
technicians.
devices" on page 80. This information will help you work safely.
covers and other parts in a safe place.
lift a heavy object, observe the following precautions:
– Make sure that you stand safely without slipping.
– Distribute the weight of the object equally between your feet.
– Use a slow lifting force. Never move suddenly or twist when you lift a heavy
object.
– To avoid straining the muscles in your back, lift by standing or by pushing up
with your leg muscles.
outlets for the computer, monitor, and other devices that you will connect to the
computer.
lay the computer on its side.
to remove it from or install it in the computer, open or close a latch, and so on.
guards, labels, and ground wires.
compat/.
compatibility (EMC) shield installed in it.
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