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3 Illustrated parts catalog
Service tag
When ordering parts or requesting information, provide the computer serial number and model
description provided on the service tag.
Item Description Function
(1) Serial number (s/n) This is an alphanumeric identifier that is unique to
each product.
(2) Part number/Product number (p/n) This number provides specific information about
the product's hardware components. The part number
helps a service technician to determine what
components and parts are needed.
(3) Model description: This is the alphanumeric identifier needed to locate
documents, drivers, and support for the computer.
(4) Warranty period This number describes the duration of the warranty
period for the computer.
18 Chapter 3 Illustrated parts catalog