Toshiba Satellite M40X manual DVD Super Multi Double Layer

1 Hardware Overview 1.4 Optical device Drives

1.4.3 DVD Super Multi Double Layer

The DVD Super Multi 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 or Ultra and High speed CD-RW at 10x speed and DVD-R at 8x speed and DVD-RW at 4x speed and DVD+R at 8x speed and DVD+RW at 4x speed and DVD- RAM at 3x speed and DVD+R DL at 2.4x speed.

The specifications of the DVD Super Multi Double Layer drive are listed in Table 1-4

Item	DVD-ROM mode		CD-ROM mode
Data transfer rate (Mbytes/s)	33.3 (U-DMA transfer mode 2)
	16.6 (PIO mode 4, Multiword DMA mode 2)
Access time (ms)	180		150
Average random access
Data buffer size (Mbytes)		2MB
	DVD:
	DVD-VIDEO, DVD-ROM, DVD-R (3.9G,4.7G), DVD-RW
	(Ver.1.1), DVD-RAM, DVD+R, DVD+RW, DVD+R DL.
Formats supported	CD:
	CD-DA, CD-ROM, CD-R, CD-RW, CD-ROMXA,
	PhotoCD (muitiSession), Video CD, CD-Extra (CD+), CD-Text
Table 1- 4 DVD Super Multi Double Layer drive specifications

1-14 [CONFIDENTIAL] Satellite M40X Maintenance Manual