HP CQ57-489CA, CQ57-439WM, CQ57-489WM, CQ57-410US manual Battery, Wlan module

Item	Component	Spare part number
	For use only with computer models equipped with an Intel Pentium processor and a	646181-001
	graphics subsystem with UMA video memory
	For use only with computer models equipped with an Intel Celeron processor and a	646184-001
	graphics subsystem with UMA video memory
(15)	Base enclosure (includes battery release latch, heat sink,	646114-001
	replacement thermal material, and 4 rubber feet)
(16)	Battery:
	6-cell, 55-Whr, 2.55-Ah Li-ion battery	593554-001
	6-cell, 47-Whr, 2.20-Ah Li-ion battery	593553-001
(17)	Optical drive (select models only; includes bezel and bracket):
	DVD±RW and CD-RW Super Multi Double-Layer Combo Drive with LightScribe	646126-001
	DVD±RW and CD-RW Drive	659879-001
	DVD-ROM Drive	659638-001
	Optical drive slot space saver	659632-001
(18)	Hard drive (2.5-in, 7.0-mm, SATA; does not include hard drive connector cable, hard drive bracket, or screws):
	640-GB, 5400-rpm	603785-001
	500-GB, 5400-rpm	634932-001
	320-GB, 5400-rpm	622643-001
	250-GB, 5400-rpm	622641-001
	Hard Drive Hardware Kit (not illustrated, includes hard drive bracket and screws)	646122-001
(19)	Memory modules (2, PC3, 10600, 1333-MHz):
	4 GB	621569-001
	2 GB	621565-001
	1 GB	639738-001
(20)	WLAN module:
	Atheros 9485GN 802.11b/g/n 1×1 WiFi and 3012 Bluetooth 4.0 Combo Adapter	655795-001
	Atheros AR9002WB-1NGB 802.11b/g/n 1×1 WiFi and Bluetooth 2.1+EDR	593127-001
	Combo Adapter (BT3.0+HS ready)
	Broadcom 4313GN 802.11b/g/n 1×1 WiFi and 20702 Bluetooth 4.0 Combo Adapter	657325-001
	Ralink 5390GN 802.11b/g/n 1×1 WiFi Adapter	630703-001
	Realtek 8188BC8 802.11a/b/g/n 2×2 WiFi and Bluetooth 3.0+HS Combo Adapter	602993-001
	Realtek 8188GN 802.11b/g/n 1×1 WiFi Adapter	640926-001

Computer major components 21