Item Description Spare part
number
(9) Optical drive connector 646359-001
(10) System board (includes replacement thermal material)
For use in all countries and regions except Russia and the People's Republic of China:
●
For use in UMA models with USB 3.0 and with WWAN 646325-001
●
For use UMA models with USB 3.0 and without WWAN 646326-001
●
For use in UMA models with USB 2.0 and with WWAN 658332-001
●
For use in UMA models with USB 2.0 and without WWAN 658333-001
●
For use in discrete models with 512-MB graphics memory 658334-001
●
For use in discrete models with 1-GB graphics memory 658335-001
For use in only Russia and the People's Republic of China:
●
For use in UMA models with WWAN 655567-001
●
For use in UMA models without WWAN 655568-001
●
For use in discrete models with 512-MB graphics memory 655569-001
●
For use in discrete models with 1-GB graphics memory 655570-001
(11) RTC battery 449137-001
(12) Modem module
NOTE: The modem module spare part kit does not include a modem module cable. The
modem module cable is included in the Cable Kit, spare part number 646369-001. See
Cable Kit on page 32 for more Cable Kit spare part number information.
628824-001
(13) Processor
Intel Core i7 processors, Dual Core
2620M, 2.7-GHz (turbo up to 3.4-GHz) processor 4-MB L3 cache 631252-001
Intel Core i5 processors, Dual Core
2540M, 2.6-GHz (turbo up to 3.3-GHz) processor 3-MB L3 cache (includes phase change
material (PCM))
631255-001
2520M, 2.5-GHz (turbo up to 3.2-GHz) processor 3-MB L3 cache (includes phase change
material (PCM))
631253-001
2410M, 2.3-GHz (turbo up to 2.9-GHz) processor 3-MB L3 cache 638039-001
Intel Core i3 processors, Dual Core
2310M, 2.1-GHz processor 3-MB L3 cache (includes thermal grease) 638037-001
Intel Celeron processor, Dual Core
B810, 1.6-GHz, with 2-MB L3 cache 646760-001
(14) Heat sink (includes replacement thermal material)
Computer major components
27
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