Lenovo ThinkServer RS110, Hardware Maintenance Manual

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Types 6438
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Replaceable components are of three types:
v
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.
v 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.
v
Field replaceable unit (FRU): FRUs must be installed only by trained service
technicians.
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ThinkServer RS110 Types 6435, 6436, 6437 and 6438: Hardware Maintenance Manual