HP DV4 Power button board includes cable, USB board, RTC battery, Audio board, Base enclosure

Illustrated parts catalog

Item Description Spare part number

15Memory module (1066 MHz, DDR3)

	1024 MB	590351-001
	2048 MB	590352-001
	4096 MB	590353-001
16	Power button board (includes cable)	486853-001
17	Bluetooth module (select models only)	537921-001
	Bluetooth module cable (select models only)
	UMA graphics subsystems	486847-001
	Discrete graphics subsystems	488130-001
18	USB board	486842-001
	USB board cable	486843-001
19	RTC battery	486835-001
20	Audio board	486840-001
	Audio board cable	486841-001
21	Battery
	12-cell Li-Ion (2.2 Ah, 95 Wh)	484172-001
	6-cell Li-Ion (2.55 Ah, 55 Wh)	484171-001
	6-cell Li-Ion (2.2 Ah, 47 Wh)	484170-001
	3-cell Li-Ion (4.4 Ah, 47 Wh)	516915-001
22	Base enclosure	486848-001
23	Optical drive (includes bezel and bracket)
	DVD±R/RW SuperMulti DL Drive with LightScribe	482177-001
	Blu-ray ROM DVD±R/RW SuperMulti DL Drive with LightScribe	508123-001

24Hard Drive (includes hard drive bracket) (for hard drive spare part component information see “Mass storage devices” on page 3-11for hard drive spare part component information)

25Processor (includes replacement thermal material):

	Intel Arrandale CPU-uPGA Single-Core i5-520M (2.4 GHz, 3-MB L3 cache, 1066 MHZ SC	594187-001
	Turbo)
	Intel Arrandale CPU-uPGA Single-Core i5-540M (2.53 GHz, 3-MB L3 cache, 1066 MHZ SC	594188-001
	Turbo)
26	Mini Card bracket	577509-001

3–8 Maintenance and Service Guide