HP CQ57-439WM, CQ57-489CA, CQ57-489WM Optical drive select, Audio and video, Ethernet, Wireless

Category	Description	Computer models	Computer models
		equipped with an AMD	equipped with an
		processor	Intel processor

	Supports the following hard drives:		√	√
	●	500-GB, 5400-rpm
	●	320-GB, 5400-rpm
	●	250-GB, 5400-rpm
Optical drive (select	Fixed		√	√
models only)
	Serial ATA		√	√
	12.7-mm tray load		√	√
	Support for the following optical drives (select		√	√
	models only):
	● DVD±RW and CD-RW Super Multi
		Double-Layer Combo Drive
		with LightScribe
	● DVD±RW and CD-RW Drive
	● DVD-ROM Drive
Audio and video	Single digital microphone		√	√
	HD audio		√	√
	Presario-branded Altec/Lansing speakers		√	√
	Supports Microsoft Premium requirements		√	√
	HP VGA webcam (select models only, fixed,		√	√
	no tilt with activity LED, 640×480 by 24 frames
	per second
Ethernet	Integrated 10/100 network interface card (NIC)		√	√
Wireless	Integrated wireless local area network (WLAN)		√	√
	options by way of wireless module
	One or two WLAN antennas built into		√	√
	display assembly

4 Chapter 1 Product description