Chapter 6. Removing And Replacing Components; Returning A Device Or Component; Internal Cable Routing And Connectors; Cabling Sas/Sata Serveraid Controller - Lenovo x3550 M4 Installation And Service Manual

Chapter 6. Removing and replacing components

There are three types of replaceable components.
v Structural parts: Purchase and replacement of structural parts (components, such
v Tier 1 customer replaceable unit (CRU): Replacement of Tier 1 CRUs is your
v Tier 2 customer replaceable unit: You may install a Tier 2 CRU yourself or
See Chapter 5, "Parts listing, Lenovo System x3550 M4 Type 7914," on page 179 to
determine whether a component is a structural part, Tier 1 CRU, or Tier 2 CRU.
For information about the terms of the warranty, see the Warranty Information
document that comes with the server.
For more information about getting service and assistance, see Appendix D,
"Getting help and technical assistance," on page 597.

Returning a device or component

If you are instructed to return a device or component, follow all packaging
instructions, and use any packaging materials for shipping that are supplied to
you.

Internal cable routing and connectors

This section provides information about routing the cables when you install some
components in the server.
For more information about the requirements for cables and connecting devices,
see the documentation that comes with these devices.

Cabling SAS/SATA ServeRAID Controller

Use this information to cable the SAS/SATA ServeRAID controller.
The following illustrations show the internal routing and connectors for the
SAS/SATA signal cables.
Notes:
1. To connect the SAS/SATA signal cables, make sure that you first connect the
2. To disconnect the SAS/SATA signal cables, make sure that you first disconnect
© Copyright Lenovo 2012, 2015
as chassis assembly, top cover, and bezel) is your responsibility. If Lenovo
acquires or installs a structural component at your request, you will be charged
for the service.
responsibility. If Lenovo installs a Tier 1 CRU at your request, you will be
charged for the installation.
request Lenovo to install it, at no additional charge, under the type of warranty
service that is designated for your server.
signal cable, and then the power cable and configuration cable.
the power cable, and then the signal cable and configuration cable.
193