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v Each FRU is available for all types or models, unless

specific types or models are specified.

v A CRU (customer-replaceable unit) is identified by a

single asterisk (*) or two asterisks (**) in the CRU ID

column. An N in the CRU ID column means that the part

is not a CRU. A single asterisk (*) means that the part is

a Tier 1 CRU; two asterisks (**) mean that the part is a

Tier 2 CRU.

Tier 1 CRU:

(Example: Mouse, external keyboard, and hard disk

drive with coin screw)

– NO TOOLS ARE REQUIRED.

– A coin or a thumb screw is acceptable.

– Minimal technical expertise is required.

– Minimal problem determination is required—less than

5 minutes.

Tier 2 CRU:

(Example: Adapter card, ThinkPad memory)

– Up to 4 screws or fasteners have to be removed.

– Some technical experience is required.

– HelpCenter assistance may be used.

– Problem determination can be done by the customer,

either on site or with HelpCenter assistance.

v FRUs marked with OP are available as options.

Parts list

152 MT 2373/2374/2375/2376/2378/2379

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