Toshiba M40, Satellite manual DVD Dual Double Layer, DVD-DualDouble Layer Drive specifications

1.6 DVD Dual (Double Layer) 1 Hardware Overview

1.6 DVD Dual (Double Layer)

The DVD-Dual drive accepts 12-cm (4.72-inch) and 8-cm (3.15-inch) discs. At maximum, the drive can play back a DVD at 8x speed, read CD-ROM at 24x speed, and write CD-R at 24x speed and CD-RW at 4x speed and high or ultra speed at 24x and DVD-R/+R at 8x speed and DVD+R(Double Layer) at 2.4x speed and DVD-RW at 4x speed and DVD+RW at 2.4x speed.

The specifications of the DVD-Dual(Double Layer) drive are listed in Table 1-4.

	Table 1- 4 DVD-Dual(Double Layer)		drive specifications
Item		DVD-ROM mode	CD-ROM mode
Data transfer rate		33.3 (U-DMA transfer mode 2)
(Mbytes/s)		16.7 (PIO mode 4, Multiword DMA mode 2)
Access time (ms)
Average random		180	150
access
Average full stroke
access
Data buffer size		2MB
(Mbytes)
Formats supported		DVD:
		DVD-ROM,DVD-R ver2.00 for General (Read/Write), DVD-RW
		Ver.1.0&1.1&1.2(Read/Write),DVD+R(Read/Write),DVD+RW(Read/Write
		),DVD+R(Double Layer).
		CD:
		KODAK Photo CD Single and Multi-Session,CD-Extra(CD+),Mixed
		CD,Video CD, CD-R discs (Read/Write), CD-RW , CD test data.

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