Toshiba Dynabook Vx/4, Руководство по обслуживанию

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1 Hardware Overview 1.7 DVD Super Multi
24 Satellite M40/M45 TECRA A4 dynabook Vx/4 Maintenance Manual
1.8 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 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+R(Double
Layer) at 2.4x speed and DVD+RW at 4x speed and DVD-RAM at 3x speed.
The specifications of the DVD Super Multi (Double Layer) drive are listed in Table 1-6.
Table 1- 6 DVD Super Multi drive (Double Layer) specifications
Item DVD-ROM mode CD-ROM mode
33.3 (U-DMA transfer mode 2) Data transfer rate
(Mbytes/s)
16.6 (PIO mode 4, Multiword DMA mode 2)
Access time (ms)
Average random
access
180 150
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+R(Double Layer),DVD+RW.
CD:
Formats supported
CD-DA,CD-ROM, CD-R,CD-RW,CD-ROMXA,
PhotoCD(muitiSession),Video CD,CD-Extra(CD+),CD-Text