Compaq CD ROM or DVD Drive

System DMA
	Seek Times
	(Typical, including settling in ms)		Read	N/A		Read		Read
			Write	N/A		Write		Write		N/A
	Single Track
			Read	N/A				Read
	Full Stroke		Write	N/A				Write		N/A
			Read	N/A				Read
			Write	N/A				Write		N/A
	Transfer Rate
	At interface
CD ROM or DVD Drive
		CD ROM Drive (24X)					DVD Drive (4X)
	Models	CRN-8142B			CDR-U242Z		DRD-424		SD-C2202
	Dimensions
	Width	128mm			Not Available		128mm		128mm
	Height	12.7mm			Not Available		12.7mm		12.7mm
	Depth	129mm			Not Available		129mm		129mm
	Weight	300g			Not Available		280g		270g
	Rotational Speed	5000RPM			Not Available		2300 RPM		2300RPM
	Typical Transfer Rate	16.67MB/s			Not Available		16.6MB/s(PIO)		16.7MB/s(PIO)
	Sustained Data Transfer Rate	3600KB/s			Not Available		5400KB/s		5400KB/s
	Access Time	110ms			Not Available		150ms		140ms
	Average Random Access Time
	Spin Up Time	5s			Not Available		<15s*1		3.8s
	Data Buffer Capacity	1Mbit			Not Available		128KB		128KB

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