DVD-ROM Drive, Disk thickness Track pitch

Specifications

Table 6-6
DVD-ROM Drive

Applicable disk	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	.59 in	1.5 cm

Disk diameter		12 cm, 8 cm

Disk thickness		1.2 mm

Track pitch	.74 µm

Access time
Random	< 150 ms
Full stroke	< 225 ms

Audio output level	Line-out, 0.7 Vrms

Cache buffer	512 KB/sec

Data transfer rate
Max 24X CD	3600 KB/s (150 KB/s at 1X CD rate)
Max 8X DVD	10,800 KB/s (1352 KB/s at 1X
	DVD rate)
Normal IO Mode 4 (single burst)	16.6 MB/s

Startup time	< 12 seconds

Stop time	< 3 seconds

6–9

Compaq N160 manual DVD-ROM Drive, Disk thickness Track pitch, Audio output level