Compaq HP G7000 Applicable disc Read Write, Center hole diameter, Disc diameter, Disc thickness

DVD±RW and CD-RW Super Multi Double-Layer Combo Drive specifications

Applicable disc	Read:	Write:
	CD-DA, CD+(E)G, CD-MIDI, CD-TEXT, CD-	CD-R and CD-RW
	ROM, CD-ROM XA, MIXED MODE CD,	DVD+R, DVD+RW, DVD-R, DVD-RW,
	CD-I, CD-I Bridge (Photo-CD, Video CD),
	Multisession CD (Photo-CD, CD-EXTRA,	DVD-RAM
	Portfolio, CD-R, CD-RW), CD-R, CD-RW,
	DVD-ROM (DVD-5, DVD-9, DVD-10,
	DVD-18), DVD-R, DVD-RW, DVD+R, DVD
	+RW, DVD-RAM
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	0.74 μm
Access time	CD	DVD
Random	< 175 ms	< 230 ms
Full stroke	< 285 ms	< 335 ms
Audio output level	Audio-out, 0.7 Vrms
Cache buffer	2 MB
Data transfer rate
24X CD-ROM	3,600 KB/sec
8X DVD	10,800 KB/sec
24X CD-R	3,600 KB/sec
16X CD-RW	2,400 KB/sec
8X DVD+R	10,800 KB/sec
4X DVD+RW	5,400 KB/sec
8X DVD-R	10,800 KB/sec
4X DVD-RW	5,400 KB/sec
2.4X DVD+R(9)	2,700 KB/sec
5X DVD-RAM	6,750 KB/sec
Transfer mode	Multiword DMA Mode
Startup time	< 15 seconds
Stop time	< 6 seconds

84 Chapter 6 Specifications