HP X1000, nx7000 manual 24X CD-ROM Drive, Track pitch Access time

Specifications

	Table 6-11
	24X CD-ROM Drive
Applicable disc	DVD-5, DVD-9, DVD-10
	CD-ROM (Mode 1 and 2)
	CD Digital Audio
	CD-XA ready (Mode 2, Form 1 and 2)
	CD-I ready (Mode 2, Form 1 and 2)
	CD-R (read only)
	CD Plus
	Photo CD (single/multisession)
	CD-Bridge
Center hole diameter	1.5 cm	0.59 in
Disc diameter
Standard disc	12 cm	4.72 in
Mini disc	8 cm	3.15 in
Disc thickness	1.2 mm	0.047 in
Track pitch	1.6 µm
Access time
Random	< 150 ms
Full stroke	< 300 ms
Audio output level	Line-out, 0.7 Vrms
Cache buffer	128 KB/s
Data transfer rate
Sustained (16X)	2400 KB/s
Variable	1500 to 3600 KB/s (10X to 24X)
Multiword DMA mode 2	16.6 MB/s
Startup time	< 8 seconds
Stop time	< 4 seconds

Maintenance and Service Guide 6–11