HP 4730s LJ525UT#ABA manual Description Spare part number Power button board, Quick Launch board

Item	Description	Spare part number
(5)	Power button board
	For use in HP ProBook 4530s models	646294-001
	For use in HP ProBook 4730s models	646295-001
(6)	Quick Launch board
	For use in 4530s models	646296-001
	For use in 4730s models	646297-001
(7)	Modem module	628824-001
	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 646303-001 for 4530s
	models, 646304-001 for 4730s models. See Cable Kit on page 30 for more Cable Kit
	spare part number information.
(8)	Lid switch board
	For use in HP ProBook 4530s models:	646289-001
	For use in HP ProBook 4730s models:	646290-001
(9)	Speaker assembly (includes housing)
	For use in 4530s models	646298-001
	For use in 4730s models	646299-001
(10)	System board (includes replacement thermal material)
	For use in 4530s models with UMA graphics with WWAN and USB 3.0	646245-001
	For use in 4530s models with UMA graphics without WWAN and with USB 3.0	646246-001
	For use in discrete models with USB 2.0 and 512-MB graphics memory	658342-001
	For use in discrete models with USB 2.0 and 1-GB graphics memory	658343-001
	For use in discrete models with USB 3.0 and 512-MB graphics memory	670794-001
	For use in discrete models with USB 3.0 and 1-GB graphics memory	670795-001
(11)	Processor (includes thermal material)
	Intel Core i7 processors, Quad Core
	2670QM, 2.2-GHz (turbo up to 3.1-GHz) processor, 6-MB L3 cache	665116-001
	2630QM, 2.0-GHz (Turbo up to 2.90) processor, 6-MB L3 cache	635501-001
	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	631255-001
	material (PCM))
	2520M, 2.5-GHz (turbo up to 3.2-GHz) processor, 3-MB L3 cache (includes phase change	631253-001
	material (PCM))
	2430M, 2.4-GHz (turbo up to 3.0-GHz) processor, 3-MB L3 cache	653341-001

Computer major components 21