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Chapter 6. Removing and replacing components
There are three types of replaceable components.
• Structural parts: Purchase and replacement of structural parts (components, such 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.
• Tier 1 customer replaceable unit (CRU): Replacement of Tier 1 CRUs is your responsibility. If Lenovo
installs a Tier 1 CRU at your request, you will be charged for the installation.
• Tier 2 customer replaceable unit: You may install a Tier 2 CRU yourself or request Lenovo to install it, at
no additional charge, under the type of warranty service that is designated for your server.
See Chapter 5 "Parts listing, Lenovo System x3630 M4 Type 7158" on page 161 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. Reminder that for customers in the USA with 9x5 Next Business Day warranty the customer
is required to remove the unit (two people) from the rack and Lenovo service personnel cannot assist the
customer.
For more information about getting service and assistance, see Appendix D "Getting help and technical
assistance" on page 1013.
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
Attention: Failing to install or remove the cable with care may damage the connectors on the system board.
Any damage to the connectors may require replacing the system board.
Hot-swap hard disk drive backplane cable connections
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.
Notes:
1. When the hot-swap backplane is in use, make sure that Port 1 on the hardware ServeRAID or system
board is connected to Port 1 on the backplane. Likewise, Port 0 on the hardware ServeRAID or system
board should be connected to Port 0 on the backplane.
2. When the simple-swap backplate is in use, make sure that the cable marked with a SAS 1 sticker is
attached to SAS/SATA 1 connector on the system board. Likewise, the cable marked with a SAS 0
sticker is attached to SAS/SATA 0 connector on the system board.
The following illustration shows the hardware ServeRAID cabling information for twelve 3.5-inch hot-swap
drive backplane assemblies:
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Troubleshooting
