11SATA3.0connector
12Harddiskdrivepowerconnector
13OptionalUSB2.0connector
Machinetypeandmodellabel
Themachinetypeandmodellabelidentifiesyourcomputer.WhenyoucontactLenovoforhelp,themachine
typeandmodelinformationhelpssupporttechnicianstoidentifyyourcomputerandprovidefasterservice.
Thefollowingisasampleofthemachinetypeandmodellabel.
Figure5.Machinetypeandmodellabel
14ThinkCentreM73UserGuide
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