Toshiba P25 manual DVD-R/-RW Drive, Read speeds

1 Hardware Overview 1.4 Removable Drives

1.4.2 DVD-R/-RW Drive

The DVD-R/-RW drive (Toshiba SD-R6112) accommodates either 12cm (4.72-inch) or 8cm (3.15-inch) CDs or DVDs.

Read speeds

DVD-ROM	Maximum 8 times faster rotational speed
DVD-RAM	Standard rotational speed
CD-ROM	Maximum 24 times faster rotational speed
Write speeds
CD-R	4,16 times faster rotational speed
CD-RW	4 times faster rotational speed
High-Speed CD-RW	4,10 times faster rotational speed
DVD-R	1, 2 times rotational speed
DVD-RW disc	1 times rotational speed
Access Speed
Average Random Access Time		DVD-ROM:	115 ms (3.3-8X)
		CD-ROM:	105 ms (10.3-24X)
		DVD-RAM:	170 ms (4.7GB 1X)
Average Random Seek Time		DVD-ROM:	105 ms (3.3-8X)
		CD-ROM:	100 ms (10.3-24X)
		DVD-RAM:	120 ms (4.7GB 1X)
Average Full Stroke Access Time		DVD-ROM:	195 ms (3.3-8X)
		CD-ROM:	180 ms (10.3-24X)
		DVD-RAM:	350 ms (4.7GB 1X)

Buffer capacity

Supported formats

Applicable CD Write Formats: DVD

Applicable CD

Write Disc:

DVD

Applicable CD

Read Disc:

DVD

2 Mbytes (Max)

CD-R/RW

DVD-R

DVD-RW

CD-R/RW [CD-DA, CD+(E)G, CD-MIDI, CD-ROM, CD-ROM XA, MIXED MODE CD, CD-I, CD-I Bridge (Photo-CD, Video-CD), Multisession CD (Photo-CD, CD-EXTRA, Portfolio)]

DVD-RW

DVD-R

CD-DA, CD+(E)G, CD-MIDI, CD-TEXT, CD-ROM, CD-ROM XA, CD-I, CD-I Bridge (Photo-CD, Video-CD) Multisession CD (Phto-CD, CD-EXTRA, CD-R, CD-RW, Portfolio), CD-R, CD-RW

DVD-ROM [DVD-5, DVD-9, DVD-10, DVD-18] DVD-R

DVD-RW

DVD-RAM

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