HP C2M21UA Applicable disc, Random access time, Cache buffer Data transfer rate, Transfer mode

DVD±RW and CD-RW SuperMulti Double-Layer Combo Drive specifications

Applicable disc

Read		CD-DA, CD+(E)G, CD-MIDI, CD-TEXT, CD-ROM, CD-ROM XA, MIXED
		MODE CD, CD-I, CD-I Bridge (Photo-CD, Video CD), Multisession CD (Photo-
		CD, CD-EXTRA, 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
Write		CD-R and CD-RW, DVD+R, DVD+RW, DVD-R, DVD-RW, DVD-RAM
Random access time
DVD		< 230 ms
CD		< 175 ms
Cache buffer		2 MB
Data transfer rate
24X CD-ROM		3,600 KB/sec
8X	DVD-ROM	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

DVD±RW and CD-RW SuperMulti Double-Layer Combo Drive specifications 67