Compaq CQ42 manual Computer major components, on page

Item	Description		Spare part number
	● 6-cell 47-WH (2.2-Ah) LI-ion		593553-001
	● 6-cell 55-WH (2.55-Ah) LI-ion		593554-001
(21)	Hard drive (include hard drive bracket)
	●	640-GB 5400 RPM	603785-001
	●	500-GB 7200 RPM	600170-001
	●	320-GB 7200 RPM	600169-001
	●	250-GB 7200 RPM	575598-001
	●	160-GB 7200 RPM	600167-001
(22)	Hard drive cable/adapter (included with the cable kit; see Mass storage devices		610791–001
	on page 29)
(23)	Optical drive cable (included in the cable kit)		610791-001
(24)	Optical drives (12.7 mm, SATA, fixed)
	● Blu-ray Disc ROM LightScribe with SuperMulti DVD±R/RW Double-Layer, matte		600173-001
		black
	● Blu-ray Disc ROM LightScribe with SuperMulti DVD±R/RW Double-Layer, biscotti		600174-001
	● Blu-ray Disc ROM LightScribe with SuperMulti DVD±R/RW Double-Layer, silver		608121-001
	● Blu-ray Disc ROM LightScribe with SuperMulti DVD±R/RW Double-Layer, white (for		608122-001
		model 1.0 only)
	● Blu-ray Disc ROM LightScribe with SuperMulti DVD±R/RW Double-Layer, charcoal		622577-001
		(for model 1.1 only)
	● DVD±RW SuperMulti DL Drive with LightScribe, matte black		600171-001
	● DVD±RW SuperMulti DL Drive with LightScribe, biscotti		600172-001
	● DVD±RW SuperMulti DL Drive with LightScribe, silver		608119-001
	● DVD±RW SuperMulti DL Drive with LightScribe, white (for model 1.0 only)		608120-001
	● DVD±RW SuperMulti DL Drive with LightScribe, charcoal (for model 1.1 only)		622575-001

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